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Nebula M43 in Orion - M43 nebula in Orion - Nebula M43 (NGC 1982) is part of the great Nebula of Orion (M42), a vast region of star formation. This image obtained by the Hubble Space Telescope (HST) shows a detail of the nebula people of bright young stars accompanied by very young stars still surrounded by their cocoon of dust. The NASA/ESA Hubble Space Telescope has taken a close - up view of an outer part of the Orion Nebula's little brother, Messier 43. This nebula, which is sometimes referred to as De Mairan's Nebula after its discoverer, is separated from the famous Orion Nebula (Messier 42) by only a dark lane of dust. Both nebulae are part of the massive stellar nursery called the Orion molecular cloud complex, which includes several other nebulae, such as the Horsehead Nebula (Barnard 33) and the Flame Nebula (NGC 2024). This view shows several of the brilliant hot young stars in this less - studied region and it also reveals many of the curious features around even younger st

Nebula M43 in Orion - M43 nebula in Orion - Nebula M43 (NGC 1982) is part of the great Nebula of Orion (M42), a vast region of star formation. This image obtained by the Hubble Space Telescope (HST) shows a detail of the nebula people of bright young stars accompanied by very young stars still surrounded by their cocoon of dust. The NASA/ESA Hubble Space Telescope has taken a close - up view of an outer part of the Orion Nebula's little brother, Messier 43. This nebula, which is sometimes referred to as De Mairan's Nebula after its discoverer, is separated from the famous Orion Nebula (Messier 42) by only a dark lane of dust. Both nebulae are part of the massive stellar nursery called the Orion molecular cloud complex, which includes several other nebulae, such as the Horsehead Nebula (Barnard 33) and the Flame Nebula (NGC 2024). This view shows several of the brilliant hot young stars in this less - studied region and it also reveals many of the curious features around even younger st

PIX4618093

Open cluster NGC 4755 - Jewel Box - The Jewel Box star cluster - The NGC 4755 cluster is located in the constellation of the Southern Cross at a distance of 6400 years - light from Earth. The bright orange star on the top right is Kappa Crucis, a supergiant red star. This cluster contains about fifty stars formed about 16 million years ago. This close-up of the center of the cluster was obtained with the Hubble Space Telescope. This image is a “” close - up 'view from the NASA/ESA Hubble Space Telescope of NGC 4755, or the Jewel Box cluster. Several very bright, pale blue supergiant stars, a solitary ruby - red supergiant and a variety of other brilliantly coloured stars are visible in the image, as well as many much fainter ones, often with intriguing colours. The huge variety in brightness exists because the brighter stars are 15 to 20 times the mass of the Sun, while the dimmest stars are less than half the mass of the Sun. This is the first image of an open galactic cluster with im

Open cluster NGC 4755 - Jewel Box - The Jewel Box star cluster - The NGC 4755 cluster is located in the constellation of the Southern Cross at a distance of 6400 years - light from Earth. The bright orange star on the top right is Kappa Crucis, a supergiant red star. This cluster contains about fifty stars formed about 16 million years ago. This close-up of the center of the cluster was obtained with the Hubble Space Telescope. This image is a “” close - up 'view from the NASA/ESA Hubble Space Telescope of NGC 4755, or the Jewel Box cluster. Several very bright, pale blue supergiant stars, a solitary ruby - red supergiant and a variety of other brilliantly coloured stars are visible in the image, as well as many much fainter ones, often with intriguing colours. The huge variety in brightness exists because the brighter stars are 15 to 20 times the mass of the Sun, while the dimmest stars are less than half the mass of the Sun. This is the first image of an open galactic cluster with im

PIX4568246

Centre de la nebula Omega (M17) by HST - Center of the Omega Nebula, a hotbed of newly born stars wrapped in colorful blankets of glowing gas and cradled in an enormous cold, dark hydrogen cloud. This picture was taken by the Advanced Camera for Surveys (ACS) aboard Nasa's Hubble Space Telescope. The region of the nebula shown in this photograph is about 3,500 times wider than our solar system. The area represents about 60 percent of the total view captured by ACS. The nebula, also called M17 and the Swan Nebula, resides 5,500 light - years away in the constellation Sagittarius. Like its famous cousin in Orion, the Swan Nebula is illuminated by ultraviolet radiation from young, massive stars, located just beyond the upper right corner of the image. Each star is about six times hotter and 30 times more massive than the Sun. The powerful radiation from these stars evaporates and erodes the dense cloud of cold gas within which the stars formed. The blistered walls of the hollow cloud shin

Centre de la nebula Omega (M17) by HST - Center of the Omega Nebula, a hotbed of newly born stars wrapped in colorful blankets of glowing gas and cradled in an enormous cold, dark hydrogen cloud. This picture was taken by the Advanced Camera for Surveys (ACS) aboard Nasa's Hubble Space Telescope. The region of the nebula shown in this photograph is about 3,500 times wider than our solar system. The area represents about 60 percent of the total view captured by ACS. The nebula, also called M17 and the Swan Nebula, resides 5,500 light - years away in the constellation Sagittarius. Like its famous cousin in Orion, the Swan Nebula is illuminated by ultraviolet radiation from young, massive stars, located just beyond the upper right corner of the image. Each star is about six times hotter and 30 times more massive than the Sun. The powerful radiation from these stars evaporates and erodes the dense cloud of cold gas within which the stars formed. The blistered walls of the hollow cloud shin

PIX4620159

Saturn and Mimas seen by the Cassini probe 18/01/2005 - Saturn and Mimas seen by Cassini spacecraft Jan. 18 2005 - The Mimas satellite photographed in front of Saturn by the Cassini probe on 18 January 2005 at a distance of 1.4 million km from the planet. The shadow of Saturn's rings is projected on the planet. Mimas drifts along in its orbit against the azure backdrop of Saturn's northern latitudes in this true color view. The long, dark lines on the atmosphere are shadows cast by the planet's rings. Saturn's northern hemisphere is presently relatively cloud - free, and rays of sunlight take a long path through the atmosphere. This results in sunlight being scattered at shorter (bluer) wavelengths, thus giving the northernmost latitudes their bluish appearance at visible wavelengths. At the bottom, craters on icy Mimas (398 kilometers, or 247 miles across) give the moon a dimpled appearance. Images taken using infrared (930 nanometers), green (568 nanometers) and ultraviolet (338 nano

Saturn and Mimas seen by the Cassini probe 18/01/2005 - Saturn and Mimas seen by Cassini spacecraft Jan. 18 2005 - The Mimas satellite photographed in front of Saturn by the Cassini probe on 18 January 2005 at a distance of 1.4 million km from the planet. The shadow of Saturn's rings is projected on the planet. Mimas drifts along in its orbit against the azure backdrop of Saturn's northern latitudes in this true color view. The long, dark lines on the atmosphere are shadows cast by the planet's rings. Saturn's northern hemisphere is presently relatively cloud - free, and rays of sunlight take a long path through the atmosphere. This results in sunlight being scattered at shorter (bluer) wavelengths, thus giving the northernmost latitudes their bluish appearance at visible wavelengths. At the bottom, craters on icy Mimas (398 kilometers, or 247 miles across) give the moon a dimpled appearance. Images taken using infrared (930 nanometers), green (568 nanometers) and ultraviolet (338 nano

PIX4625133

Southern Crown Nebula - The Corona Australis nebula (NGC 6726 - 27 - 29) - R Coronae Australis is a region of star formations visible in the southern hemisphere. It is located about 500 light years away from Earth. Image made with Siding Spring's 3.9m telescope. This spectacular reflection nebula is the result of a few bright stars caught up in a large, dusty cloud. If that is all there was here, this region would be considered to be like the Pleiades, an accidental association of dust and stars. However, there are features here that show the dark cloud to be an active star forming nebula, though most of the action is hidden from view. The peculiar yellowish curved streak near the two bright reflection nebulae surround an intriguing object best seen in infrared light, R CRA, a young star still accreting interstellar material on to its surface. It seems to be the source of two compact but distinctly red patches which are Herbig - Haro objects, often the first visible signs of star forma

Southern Crown Nebula - The Corona Australis nebula (NGC 6726 - 27 - 29) - R Coronae Australis is a region of star formations visible in the southern hemisphere. It is located about 500 light years away from Earth. Image made with Siding Spring's 3.9m telescope. This spectacular reflection nebula is the result of a few bright stars caught up in a large, dusty cloud. If that is all there was here, this region would be considered to be like the Pleiades, an accidental association of dust and stars. However, there are features here that show the dark cloud to be an active star forming nebula, though most of the action is hidden from view. The peculiar yellowish curved streak near the two bright reflection nebulae surround an intriguing object best seen in infrared light, R CRA, a young star still accreting interstellar material on to its surface. It seems to be the source of two compact but distinctly red patches which are Herbig - Haro objects, often the first visible signs of star forma

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Spiral Galaxy NGC 2397 - Galaxy Spiral NGC 2397 - The galaxy NGC 2397 is a classic spiral galaxy located about 60 million years ago - light from Earth in the southern constellation of Flying Fish. The central part houses old yellow and red stars while new stars form in the outer arms. This image obtained by the space telescope on 14 October 2006 shows the brightest of these young blue stars. The 2006bc supernova, which exploded in March 2006, is also visible near the central region, while its eclat was decreasing (box). Located nearly 60 million light - years away from Earth, the galaxy NGC 2397 is typical of most spirals, with mostly older, yellow and red stars in its central portion, while star formation continues in the outer, bluer spiral arms. The brightest of these young, blue stars can be seen individually in this high resolution view from the Hubble's Advanced Camera for Surveys (ACS). One typical feature of this Hubble image is the view of supernova SN 2006bc taken when its br

Spiral Galaxy NGC 2397 - Galaxy Spiral NGC 2397 - The galaxy NGC 2397 is a classic spiral galaxy located about 60 million years ago - light from Earth in the southern constellation of Flying Fish. The central part houses old yellow and red stars while new stars form in the outer arms. This image obtained by the space telescope on 14 October 2006 shows the brightest of these young blue stars. The 2006bc supernova, which exploded in March 2006, is also visible near the central region, while its eclat was decreasing (box). Located nearly 60 million light - years away from Earth, the galaxy NGC 2397 is typical of most spirals, with mostly older, yellow and red stars in its central portion, while star formation continues in the outer, bluer spiral arms. The brightest of these young, blue stars can be seen individually in this high resolution view from the Hubble's Advanced Camera for Surveys (ACS). One typical feature of this Hubble image is the view of supernova SN 2006bc taken when its br

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Clusters of distant galaxies RDCS1252.9 - 2927 - Distant galaxy cluster RDCS1252.9 - 2927 - This cluster of galaxies is 9 billion years old - light in the constellation Hydra, and is the most massive known to date. It probably contains several thousand galaxies. Image obtained by the Hubble Space Telescope and the VLT. The image shows the entire galaxy cluster (1/15 of a degree, corresponding to about 7 million light - years, across). The cluster probably contains many thousands of galaxies. Most of the other galaxies in the image, including most of the blue galaxies, are foreground or background galaxies. The image, which is made with an additional infrared exposure taken with the European Southern Observatory's Very Large Telescope, shows mature galaxies in a massive cluster that existed when the cosmos was 5000 million years old. The cluster, called RDCS1252.9 - 2927, is as massive as '300 trillion' suns and is the most massive known cluster for its epoch. Dominating the core are a

Clusters of distant galaxies RDCS1252.9 - 2927 - Distant galaxy cluster RDCS1252.9 - 2927 - This cluster of galaxies is 9 billion years old - light in the constellation Hydra, and is the most massive known to date. It probably contains several thousand galaxies. Image obtained by the Hubble Space Telescope and the VLT. The image shows the entire galaxy cluster (1/15 of a degree, corresponding to about 7 million light - years, across). The cluster probably contains many thousands of galaxies. Most of the other galaxies in the image, including most of the blue galaxies, are foreground or background galaxies. The image, which is made with an additional infrared exposure taken with the European Southern Observatory's Very Large Telescope, shows mature galaxies in a massive cluster that existed when the cosmos was 5000 million years old. The cluster, called RDCS1252.9 - 2927, is as massive as '300 trillion' suns and is the most massive known cluster for its epoch. Dominating the core are a

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Spiral galaxy NGC 1566 in the bream - The Seyfert Galaxy NGC 1566: NGC 1566 is a spiral galaxy located about 40 million light years ago. Its core is very bright. It is an active galaxy called Seyfert, which probably houses a black hole in its heart. Image obtained with the Hubble telescope - NGC 1566 is a galaxy located approximately 40 million light-years away in the constellation of Dorado (The Dolphinfish). NGC 1566 is an intermediate spiral galaxy, meaning that while it does not have a well defined bar-shaped region of stars at its centre - like barred spirals - it is not quite an unbarred spiral either (heic9902o). The small but extremely bright nucleus of NGC 1566 is clearly visible in this image, a telltale sign of its membership of the Seyfert class of galaxies. The centres of such galaxies are very active and luminous, emitting strong bursts of radiation and potentially harbouring supermassive black holes that are many millions of times the mass of the Sun. NGC 1566 is not jus

Spiral galaxy NGC 1566 in the bream - The Seyfert Galaxy NGC 1566: NGC 1566 is a spiral galaxy located about 40 million light years ago. Its core is very bright. It is an active galaxy called Seyfert, which probably houses a black hole in its heart. Image obtained with the Hubble telescope - NGC 1566 is a galaxy located approximately 40 million light-years away in the constellation of Dorado (The Dolphinfish). NGC 1566 is an intermediate spiral galaxy, meaning that while it does not have a well defined bar-shaped region of stars at its centre - like barred spirals - it is not quite an unbarred spiral either (heic9902o). The small but extremely bright nucleus of NGC 1566 is clearly visible in this image, a telltale sign of its membership of the Seyfert class of galaxies. The centres of such galaxies are very active and luminous, emitting strong bursts of radiation and potentially harbouring supermassive black holes that are many millions of times the mass of the Sun. NGC 1566 is not jus

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Rentree in the atmosphere of the ATV Jules Verne - Re - entry of Jules Verne ATV - View of the rent in the terrestrial atmosphere of the first European automatic cargo ATV named Jules Verne on 29 September 2008. The ATV, with several tons of fuel on board, is used to reassemble the station in its orbit. Jules Verne moored at the station on 3 April 2008. It carried out its destructive control over a completely uninhabited area of the South Pacific. After a final manoeuvre of desorbitation at 14:58 CEST, which caused a deceleration of 70 m/s, the ATV entered the high atmosphere at 120 km altitude at 15:31. It dislocated 75 km above sea level, with the last fragments falling into the Pacific Ocean some 12 minutes later. Capture video. After completing its mission to re - supply the International Space Station, the European Space Agency's Jules Verne Automated Transfer Vehicle (ATV) entered the Earth's atmosphere, where researchers captured images of its fiery end. In the early morning hou

Rentree in the atmosphere of the ATV Jules Verne - Re - entry of Jules Verne ATV - View of the rent in the terrestrial atmosphere of the first European automatic cargo ATV named Jules Verne on 29 September 2008. The ATV, with several tons of fuel on board, is used to reassemble the station in its orbit. Jules Verne moored at the station on 3 April 2008. It carried out its destructive control over a completely uninhabited area of the South Pacific. After a final manoeuvre of desorbitation at 14:58 CEST, which caused a deceleration of 70 m/s, the ATV entered the high atmosphere at 120 km altitude at 15:31. It dislocated 75 km above sea level, with the last fragments falling into the Pacific Ocean some 12 minutes later. Capture video. After completing its mission to re - supply the International Space Station, the European Space Agency's Jules Verne Automated Transfer Vehicle (ATV) entered the Earth's atmosphere, where researchers captured images of its fiery end. In the early morning hou

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Centaurus A elliptical galaxy (NGC 5128) in Centaurus - Galaxy Centaurus A (NGC 5128) - The galaxy NGC 5128 is located about 13 million light years away from Earth in the southern constellation of Centaurus. A broad dark band crosses it in the middle, a probable vestige of a collision with a spiral galaxy. This Giant Galaxy is a powerful radio source known as Centaurus A. It is an active galaxy whose energy comes from a supermassive black hole. The green dot visible in the dust strip is a supernova, the supernova 1986g. It appears green because the red filter image that made this trichromy image was only taken a year after the event and the supernova had weakened. Image obtained from the 3.9m telescope of Siding Spring, Australia. Centaurus A is a most unusual galaxy. The circular, uniformly bright portion is composed of several thousand million stars, most of them old and yellowish. The galaxy is girded by a dense dust lane which obscures and reddens the light of stars behind it. Some

Centaurus A elliptical galaxy (NGC 5128) in Centaurus - Galaxy Centaurus A (NGC 5128) - The galaxy NGC 5128 is located about 13 million light years away from Earth in the southern constellation of Centaurus. A broad dark band crosses it in the middle, a probable vestige of a collision with a spiral galaxy. This Giant Galaxy is a powerful radio source known as Centaurus A. It is an active galaxy whose energy comes from a supermassive black hole. The green dot visible in the dust strip is a supernova, the supernova 1986g. It appears green because the red filter image that made this trichromy image was only taken a year after the event and the supernova had weakened. Image obtained from the 3.9m telescope of Siding Spring, Australia. Centaurus A is a most unusual galaxy. The circular, uniformly bright portion is composed of several thousand million stars, most of them old and yellowish. The galaxy is girded by a dense dust lane which obscures and reddens the light of stars behind it. Some

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Nebula of the Lagoon (M8) in Sagittarius - The Hourglass Nebula in M8, NGC 6523 - View of the Nebula of the Lagoon (M8/NGC 6523). Located in Sagittarius, at a distance of 5800 years - light, it is visible to the naked eye in good conditions. It is a star-forming region illuminated by several large O-type stars that belong to the open cluster NGC 6530 visible on the left of the image. The brightest part of the nebula is called the hourglass nebula whose gases are excited mainly by two massive supergeant stars Herschel 36 and 9 Sagittarii. At the heart of the Lagoon Nebula in Sagittarius lies the diminutive Hourglass Nebula. This extremely bright object is associated with the blue star alongside it, named Herschel 36 after its discoverer. Herschel described M8 as 'A noble nebula' and 'a fine and complicated nebula', but he was clearly intrigued by the Hourglass which he compared to the nucleus of the Andromeda nebula, M31 as 'decidedly not stellar'. The tiny bright nebula that captures H

Nebula of the Lagoon (M8) in Sagittarius - The Hourglass Nebula in M8, NGC 6523 - View of the Nebula of the Lagoon (M8/NGC 6523). Located in Sagittarius, at a distance of 5800 years - light, it is visible to the naked eye in good conditions. It is a star-forming region illuminated by several large O-type stars that belong to the open cluster NGC 6530 visible on the left of the image. The brightest part of the nebula is called the hourglass nebula whose gases are excited mainly by two massive supergeant stars Herschel 36 and 9 Sagittarii. At the heart of the Lagoon Nebula in Sagittarius lies the diminutive Hourglass Nebula. This extremely bright object is associated with the blue star alongside it, named Herschel 36 after its discoverer. Herschel described M8 as 'A noble nebula' and 'a fine and complicated nebula', but he was clearly intrigued by the Hourglass which he compared to the nucleus of the Andromeda nebula, M31 as 'decidedly not stellar'. The tiny bright nebula that captures H

Adam Block

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Globular cluster NGC 1806 in Dorado - Globular cluster NGC 1806 in Dorado - Image of the globular cluster NGC 1806 located in the southern constellation of Dorado. NGC 1806 belongs to the galaxy of the Great Magellan Cloud, a galaxy adjacent to our lactee path. Image obtained by the Hubble Space Telescope (HST). The NASA/ESA Hubble Space Telescope has turned its sharp eye towards a tight collection of stars, first seen 174 years ago. The result is a sparkling image of NGC 1806, tens of thousands of stars gravitationally bound into a rich cluster. Commonly called globular clusters, most of these objects are very old, having formed in the distant past when the Universe was only a fraction of its current age. NGC 1806 lies within the Large Magellanic Cloud, a satellite galaxy of our own Milky Way. It can be observed within the constellation of Dorado (the dolphin - fish), an area of the sky best seen from the Earth's southern hemisphere. NGC 1806 was discovered in 1836 by the British astr

Globular cluster NGC 1806 in Dorado - Globular cluster NGC 1806 in Dorado - Image of the globular cluster NGC 1806 located in the southern constellation of Dorado. NGC 1806 belongs to the galaxy of the Great Magellan Cloud, a galaxy adjacent to our lactee path. Image obtained by the Hubble Space Telescope (HST). The NASA/ESA Hubble Space Telescope has turned its sharp eye towards a tight collection of stars, first seen 174 years ago. The result is a sparkling image of NGC 1806, tens of thousands of stars gravitationally bound into a rich cluster. Commonly called globular clusters, most of these objects are very old, having formed in the distant past when the Universe was only a fraction of its current age. NGC 1806 lies within the Large Magellanic Cloud, a satellite galaxy of our own Milky Way. It can be observed within the constellation of Dorado (the dolphin - fish), an area of the sky best seen from the Earth's southern hemisphere. NGC 1806 was discovered in 1836 by the British astr

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M87 elliptical galaxy in Virgo - M87 elliptical galaxy in Virgo - The M87 galaxy (NGC 4486) is 54 million years ago - light from Earth, in the heart of the Virgin's cluster. This image is a composite obtained in X-rays, radio and visible. Gas material is ejected from the heart of the galaxy. A supermassive black hole would have caused this jet. This image is a composite of visible (or optical), radio, and X - ray data of the giant elliptical galaxy, M87. M87 lies at a distance of 54 million light years and is the largest galaxy in the Virgo cluster of galaxies. Bright jets moving at close to the speed of light are seen at all wavelengths coming from the massive black hole at the center of the galaxy. It has also been identified with the strong radio source, Virgo A, and is a powerful source of X - rays as it resides near the center of a hot, X - ray emitting cloud that extends over much of the Virgo cluster. The extended radio emission consists of plumes of fast - moving gas from the j

M87 elliptical galaxy in Virgo - M87 elliptical galaxy in Virgo - The M87 galaxy (NGC 4486) is 54 million years ago - light from Earth, in the heart of the Virgin's cluster. This image is a composite obtained in X-rays, radio and visible. Gas material is ejected from the heart of the galaxy. A supermassive black hole would have caused this jet. This image is a composite of visible (or optical), radio, and X - ray data of the giant elliptical galaxy, M87. M87 lies at a distance of 54 million light years and is the largest galaxy in the Virgo cluster of galaxies. Bright jets moving at close to the speed of light are seen at all wavelengths coming from the massive black hole at the center of the galaxy. It has also been identified with the strong radio source, Virgo A, and is a powerful source of X - rays as it resides near the center of a hot, X - ray emitting cloud that extends over much of the Virgo cluster. The extended radio emission consists of plumes of fast - moving gas from the j

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Earth seen by satellite DSCOVR - Earth seen by satellite DSCOVR: Earth photo obtained by satellite Deep Space Climate Observatory (DSCOVR) on July 6, 2015. This satellite, launched on 11 February 2015, and placed in orbit 1.6 million km, at the point of Lagrange L1 (about 4 times farther than the Moon's orbit), provides views of the Earth as a whole - The journey has been a long one for the Deep Space Climate Observatory (DSCOVR). Once known as Triana, the satellite was conceived in 1998 to provide continuous views of Earth, to monitor the solar wind, and to measure fluctuations in Earth's albedo. The mission was put on hold in 2001, and the part-built satellite ended up in storage for several years with an uncertain future. In 2008, the National Oceanic and Atmospheric Administration (NOAA), NASA, and the U.S. Air Force decided to refurbish and update the spacecraft for launch - On February 11, 2015, DSCOVR was finally lofted into space by a SpaceX Falcon 9 rocket. After journey of ab

Earth seen by satellite DSCOVR - Earth seen by satellite DSCOVR: Earth photo obtained by satellite Deep Space Climate Observatory (DSCOVR) on July 6, 2015. This satellite, launched on 11 February 2015, and placed in orbit 1.6 million km, at the point of Lagrange L1 (about 4 times farther than the Moon's orbit), provides views of the Earth as a whole - The journey has been a long one for the Deep Space Climate Observatory (DSCOVR). Once known as Triana, the satellite was conceived in 1998 to provide continuous views of Earth, to monitor the solar wind, and to measure fluctuations in Earth's albedo. The mission was put on hold in 2001, and the part-built satellite ended up in storage for several years with an uncertain future. In 2008, the National Oceanic and Atmospheric Administration (NOAA), NASA, and the U.S. Air Force decided to refurbish and update the spacecraft for launch - On February 11, 2015, DSCOVR was finally lofted into space by a SpaceX Falcon 9 rocket. After journey of ab

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Spiral galaxy NGC 406 in Toucan - Spiral galaxy NGC 406 in Tucana - NGC 406 is a spiral galaxy located at a distance of about 65 million light years in the southern constellation of Toucan. Image obtained by the Hubble Space Telescope. The spiral galaxy NGC 406 was discovered in 1834 by John Herschel and is here imaged in great detail by the NASA/ESA Hubble Space Telescope. Located some 65 million light - years away, in the southern constellation of Tucana (the Toucan), NGC 406 is about 60 000 light - years across, roughly half the diameter of our galaxy, the Milky Way. In a moderate - sized amateur telescope NGC 406 would appear as a faint hazy blob, like thousands of others across the sky, and none of the spectacular fine detail in the Hubble picture could be made out. In this image the galaxy exhibits spiral arms that are mainly populated by young, massive, bluish stars and crossed by dark dust lanes. As is typically observed in this kind of spiral galaxy, the yellowish central bulg

Spiral galaxy NGC 406 in Toucan - Spiral galaxy NGC 406 in Tucana - NGC 406 is a spiral galaxy located at a distance of about 65 million light years in the southern constellation of Toucan. Image obtained by the Hubble Space Telescope. The spiral galaxy NGC 406 was discovered in 1834 by John Herschel and is here imaged in great detail by the NASA/ESA Hubble Space Telescope. Located some 65 million light - years away, in the southern constellation of Tucana (the Toucan), NGC 406 is about 60 000 light - years across, roughly half the diameter of our galaxy, the Milky Way. In a moderate - sized amateur telescope NGC 406 would appear as a faint hazy blob, like thousands of others across the sky, and none of the spectacular fine detail in the Hubble picture could be made out. In this image the galaxy exhibits spiral arms that are mainly populated by young, massive, bluish stars and crossed by dark dust lanes. As is typically observed in this kind of spiral galaxy, the yellowish central bulg

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Spiral galaxy NGC 2683 in Lynx - Spiral galaxy NGC 2683 in Lynx - Spiral galaxy NGC 2683 distant about 16 million years - light in the constellation Lynx. Image obtained by the Hubble Space Telescope (HST). NGC 2683 is a spiral galaxy seen almost edge - on, giving it the shape of a classic science fiction spaceship. The delicate dusty lanes of the spiral arms are silhouetted against the golden haze of the galaxy's core. In addition, brilliant clusters of young blue stars shine scattered throughout the disc, mapping the galaxy's star - forming regions. Perhaps surprisingly, side - on views of galaxies like this one do not prevent astronomers from deducing their structures. Studies of the properties of the light coming from NGC 2683 suggest that this is a barred spiral galaxy, even though the angle we see it at does not let us see this directly. NGC 2683, discovered on 5 February 1788 by the famous astronomer William Herschel, lies in the Northern constellation of Lynx. A constellation n

Spiral galaxy NGC 2683 in Lynx - Spiral galaxy NGC 2683 in Lynx - Spiral galaxy NGC 2683 distant about 16 million years - light in the constellation Lynx. Image obtained by the Hubble Space Telescope (HST). NGC 2683 is a spiral galaxy seen almost edge - on, giving it the shape of a classic science fiction spaceship. The delicate dusty lanes of the spiral arms are silhouetted against the golden haze of the galaxy's core. In addition, brilliant clusters of young blue stars shine scattered throughout the disc, mapping the galaxy's star - forming regions. Perhaps surprisingly, side - on views of galaxies like this one do not prevent astronomers from deducing their structures. Studies of the properties of the light coming from NGC 2683 suggest that this is a barred spiral galaxy, even though the angle we see it at does not let us see this directly. NGC 2683, discovered on 5 February 1788 by the famous astronomer William Herschel, lies in the Northern constellation of Lynx. A constellation n

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Abell 383 galaxy cluster and primitive galaxy - Abell 383 cluster of galaxies with gravitational arcs - Abell 383 is a cluster of galaxies located in the constellation Eridan. This image obtained by the Hubble Space Telescope (HST) in 2011 shows gravitational arcs among galaxies. These mirages are deformed images of farther galaxies located behind the cluster. Thanks to this magnifying effect, the resulting image revealed the presence of a primitive galaxy, nee 200 million years after the big blow. Astronomers have uncovered one of the youngest galaxies in the distant universe, with stars that formed 13.5 billion years ago, a mere 200 million years after the Big Bang. The finding addresses questions about when the first galaxies arose, and how the early universe evolved. Nasa's Hubble Space Telescope was the first to spot the newfound galaxy. Detailed observations from the W.M. Keck Observatory on Mauna Kea in Hawaii revealed the observed light dates to when the universe was only 950 m

Abell 383 galaxy cluster and primitive galaxy - Abell 383 cluster of galaxies with gravitational arcs - Abell 383 is a cluster of galaxies located in the constellation Eridan. This image obtained by the Hubble Space Telescope (HST) in 2011 shows gravitational arcs among galaxies. These mirages are deformed images of farther galaxies located behind the cluster. Thanks to this magnifying effect, the resulting image revealed the presence of a primitive galaxy, nee 200 million years after the big blow. Astronomers have uncovered one of the youngest galaxies in the distant universe, with stars that formed 13.5 billion years ago, a mere 200 million years after the Big Bang. The finding addresses questions about when the first galaxies arose, and how the early universe evolved. Nasa's Hubble Space Telescope was the first to spot the newfound galaxy. Detailed observations from the W.M. Keck Observatory on Mauna Kea in Hawaii revealed the observed light dates to when the universe was only 950 m

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Globular cluster M54 in Sagittarius - Globular cluster M54 in Sagittarius - The globular cluster M54 photographed by the Hubble space telescope (HST). M54 resides about 90,000 light years from Earth, in the dwarf galaxy of Sagittarius. The object shown in this beautiful Hubble image, dubbed Messier 54, could be just another globular cluster, but this dense and faint group of stars was in fact the first globular cluster found that is outside our galaxy. Discovered by the famous astronomer Charles Messier in 1778, Messier 54 belongs to a satellite of the Milky Way called the Sagittarius Dwarf Elliptical Galaxy. Messier had no idea of the significance of his discovery at the time, and it wasn't until over two centuries later, in 1994, that astronomers found Messier 54 to be part of the miniature galaxy and not our own. Current estimates indicate that the Sagittarius dwarf, and hence the cluster, is situated almost 90 000 light - years away - - more than three times as far from the centre

Globular cluster M54 in Sagittarius - Globular cluster M54 in Sagittarius - The globular cluster M54 photographed by the Hubble space telescope (HST). M54 resides about 90,000 light years from Earth, in the dwarf galaxy of Sagittarius. The object shown in this beautiful Hubble image, dubbed Messier 54, could be just another globular cluster, but this dense and faint group of stars was in fact the first globular cluster found that is outside our galaxy. Discovered by the famous astronomer Charles Messier in 1778, Messier 54 belongs to a satellite of the Milky Way called the Sagittarius Dwarf Elliptical Galaxy. Messier had no idea of the significance of his discovery at the time, and it wasn't until over two centuries later, in 1994, that astronomers found Messier 54 to be part of the miniature galaxy and not our own. Current estimates indicate that the Sagittarius dwarf, and hence the cluster, is situated almost 90 000 light - years away - - more than three times as far from the centre

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Galaxy System Arp 274 - Galaxy triplet Arp 274 - Arp 274 (NGC 5679) is a system of three galaxies located about 400 million years ago - light in the constellation of Virgo. Image obtained by the Hubble Space Telescope. Arp 274, also known as NGC 5679, is a system of three galaxies that appear to be partially overlapping in the image, although they may be at somewhat different distances. The spiral shapes of two of these galaxies appear mostly intact. The third galaxy (to the far left) is more compact, but shows evidence of star formation. Two of the three galaxies are forming new stars at a high rate. This is evident in the bright blue knots of star formation that are strung along the arms of the galaxy on the right and along the small galaxy on the left. The largest component is located in the middle of the three. It appears as a spiral galaxy, which may be barred. The entire system resides at about 400 million light - years away from Earth in the constellation Virgo. Hubble's Wide Fi

Galaxy System Arp 274 - Galaxy triplet Arp 274 - Arp 274 (NGC 5679) is a system of three galaxies located about 400 million years ago - light in the constellation of Virgo. Image obtained by the Hubble Space Telescope. Arp 274, also known as NGC 5679, is a system of three galaxies that appear to be partially overlapping in the image, although they may be at somewhat different distances. The spiral shapes of two of these galaxies appear mostly intact. The third galaxy (to the far left) is more compact, but shows evidence of star formation. Two of the three galaxies are forming new stars at a high rate. This is evident in the bright blue knots of star formation that are strung along the arms of the galaxy on the right and along the small galaxy on the left. The largest component is located in the middle of the three. It appears as a spiral galaxy, which may be barred. The entire system resides at about 400 million light - years away from Earth in the constellation Virgo. Hubble's Wide Fi

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Hubble ultra deep field - In the southern constellation of the furnace, the Hubble space telescope posed 270h to obtain this image of the distant universe. Approximately 10,000 galaxies distant from 5 to 13 billion light years are visible in this image. This view of nearly 10,000 galaxies is the deepest visible - light image of the cosmos. Called the Hubble Ultra Deep Field, this galaxy - studded view represents a “” deep”” core sample of the universe, cutting across billions of light - years. The snapshot includes galaxies of various ages, sizes, shapes, and colors. The smallest, reddest galaxies, about 100, may be among the most distant known, existing when the universe was just 800 million years old. The nearest galaxies - the larger, brighter, well - defined spirals and ellipticals - thrived about 1 billion years ago, when the cosmos was 13 billion years old. In ground - based photographs, the patch of sky in which the galaxies reside (just one - tenth the diameter of the full Moon

Hubble ultra deep field - In the southern constellation of the furnace, the Hubble space telescope posed 270h to obtain this image of the distant universe. Approximately 10,000 galaxies distant from 5 to 13 billion light years are visible in this image. This view of nearly 10,000 galaxies is the deepest visible - light image of the cosmos. Called the Hubble Ultra Deep Field, this galaxy - studded view represents a “” deep”” core sample of the universe, cutting across billions of light - years. The snapshot includes galaxies of various ages, sizes, shapes, and colors. The smallest, reddest galaxies, about 100, may be among the most distant known, existing when the universe was just 800 million years old. The nearest galaxies - the larger, brighter, well - defined spirals and ellipticals - thrived about 1 billion years ago, when the cosmos was 13 billion years old. In ground - based photographs, the patch of sky in which the galaxies reside (just one - tenth the diameter of the full Moon

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Liquid mirror telescope on the Moon - Lunar liquid mirror telescope - Illustration of an astronomical observatory on the Moon. Installs near the southern pole of the Moon, a giant telescope with liquid mirror, one kilometre in diameter. A giant liquid mirror telescope 1 kilometer wide (6 tenths of a mile) and 1 kilometer tall lies nestled in an approximately 1 kilometer wide crater near the Moon's south pole. In the foreground is a kind of lunar city for human habitation composed of pressurized and radiation-hardened living units. On the upper right are landing pads for transports arriving to and departing from the lunar surface. A liquid mirror telescope is a Newtonian reflecting type telescope that employs a reflecting liquid as the primary mirror. A concept first identified 300 years ago by Isaac Newton himself, the reflecting liquid assumes the proper paraboloidal shape by rotating the container the liquid is in. On Earth working liquid mirror telescopes have been created with diam

Liquid mirror telescope on the Moon - Lunar liquid mirror telescope - Illustration of an astronomical observatory on the Moon. Installs near the southern pole of the Moon, a giant telescope with liquid mirror, one kilometre in diameter. A giant liquid mirror telescope 1 kilometer wide (6 tenths of a mile) and 1 kilometer tall lies nestled in an approximately 1 kilometer wide crater near the Moon's south pole. In the foreground is a kind of lunar city for human habitation composed of pressurized and radiation-hardened living units. On the upper right are landing pads for transports arriving to and departing from the lunar surface. A liquid mirror telescope is a Newtonian reflecting type telescope that employs a reflecting liquid as the primary mirror. A concept first identified 300 years ago by Isaac Newton himself, the reflecting liquid assumes the proper paraboloidal shape by rotating the container the liquid is in. On Earth working liquid mirror telescopes have been created with diam

Walter B Myers

PIX4639385

Planetary nebula NGC 7027 in the Swan/HST - This NASA Hubble Space Telescope image of planetary nebula NGC 7027 shows remarkable new details of the process by which a star like the Sun dies. New features include: faint, blue, concentric shells surrounding the nebula; an extensive network of red dust clouds throughout the bright inner region; and the hot central white dwarf, visible as a white dot at the center. The nebula is a record of the star's final death throes. Initially the ejection of the star's outer layers, when it was at its red giant stage of evolution, occurred at a low rate and was spherical. The Hubble photo reveals that the initial ejections occurred episodically to produce the concentric shells. This culminated in a vigorous ejection of all of the remaining outer layers, which produced the bright inner regions. At this later stage the ejection was non - spherical, and dense clouds of dust condensed from the ejected material. NGC 7027 is located about 3,000 light - year

Planetary nebula NGC 7027 in the Swan/HST - This NASA Hubble Space Telescope image of planetary nebula NGC 7027 shows remarkable new details of the process by which a star like the Sun dies. New features include: faint, blue, concentric shells surrounding the nebula; an extensive network of red dust clouds throughout the bright inner region; and the hot central white dwarf, visible as a white dot at the center. The nebula is a record of the star's final death throes. Initially the ejection of the star's outer layers, when it was at its red giant stage of evolution, occurred at a low rate and was spherical. The Hubble photo reveals that the initial ejections occurred episodically to produce the concentric shells. This culminated in a vigorous ejection of all of the remaining outer layers, which produced the bright inner regions. At this later stage the ejection was non - spherical, and dense clouds of dust condensed from the ejected material. NGC 7027 is located about 3,000 light - year

PIX4623552

Barree spiral galaxy NGC 3259 in the Great Bear - Barred spiral galaxy NGC 3259 in Ursa Major - The barree spiral galaxy NGC 3259 is located about 110 million years away - light from Earth. This galaxy houses a black hole in its heart as well as large zones of star formation in its arms. This image was taken by the Hubble Space Telescope (HST). This classic shot of a galaxy in the constellation of Ursa Major was taken by the NASA/ESA Hubble Space Telescope. NGC 3259 is a bright barred spiral galaxy located approximately 110 million light - years from Earth. Being a fully - formed active galaxy, its bright central bulge hosts a supermassive black hole, whose huge appetite for matter explains the high luminosity of the galaxy's core: as it devours its surroundings, the black hole emits intense radiation across the whole electromagnetic spectrum, including in visible light. The beautiful spiral arms of the galaxy are not left out either as they contain dark lanes of dust and gas, ideal sp

Barree spiral galaxy NGC 3259 in the Great Bear - Barred spiral galaxy NGC 3259 in Ursa Major - The barree spiral galaxy NGC 3259 is located about 110 million years away - light from Earth. This galaxy houses a black hole in its heart as well as large zones of star formation in its arms. This image was taken by the Hubble Space Telescope (HST). This classic shot of a galaxy in the constellation of Ursa Major was taken by the NASA/ESA Hubble Space Telescope. NGC 3259 is a bright barred spiral galaxy located approximately 110 million light - years from Earth. Being a fully - formed active galaxy, its bright central bulge hosts a supermassive black hole, whose huge appetite for matter explains the high luminosity of the galaxy's core: as it devours its surroundings, the black hole emits intense radiation across the whole electromagnetic spectrum, including in visible light. The beautiful spiral arms of the galaxy are not left out either as they contain dark lanes of dust and gas, ideal sp

PIX4610559

Barree spiral galaxy NGC 4639 in Virgo - Barred galaxy NGC 4639 in Virgo - The barree spiral galaxy NGC 4639 is located 78 million years - light in the Virgin's galaxy cluster. The blue dots visible on this image obtained by the Hubble Space Telescope are young stars. Other stars, cepheides have also been observed in this galaxy, allowing us to measure their distance with precision. This Hubble Space Telescope image shows NGC 4639, a spiral galaxy located 78 million light - years away in the Virgo cluster of galaxies. The blue dots in the galaxy's outlying regions indicate the presence of young stars. Among them are older, bright stars called Cepheids, which are used as reliable milepost markers to obtain accurate distances to nearby galaxies. Astronomers measure the brightness of Cepheids to calculate the distance to a galaxy. After using Cepheids to calculate the distance to NGC 4639, the team compared the results to the peak brightness measurements of SN 1990N, a type Ia supernova l

Barree spiral galaxy NGC 4639 in Virgo - Barred galaxy NGC 4639 in Virgo - The barree spiral galaxy NGC 4639 is located 78 million years - light in the Virgin's galaxy cluster. The blue dots visible on this image obtained by the Hubble Space Telescope are young stars. Other stars, cepheides have also been observed in this galaxy, allowing us to measure their distance with precision. This Hubble Space Telescope image shows NGC 4639, a spiral galaxy located 78 million light - years away in the Virgo cluster of galaxies. The blue dots in the galaxy's outlying regions indicate the presence of young stars. Among them are older, bright stars called Cepheids, which are used as reliable milepost markers to obtain accurate distances to nearby galaxies. Astronomers measure the brightness of Cepheids to calculate the distance to a galaxy. After using Cepheids to calculate the distance to NGC 4639, the team compared the results to the peak brightness measurements of SN 1990N, a type Ia supernova l

PIX4611731

Nebula of the Lagoon (M8) in Sagittarius - The Hourglass Nebula in M8, NGC 6523 - View of the Nebula of the Lagoon (M8/NGC 6523). Located in Sagittarius, at a distance of 5800 years - light, it is visible to the naked eye in good conditions. It is a star-forming region illuminated by several large O-type stars that belong to the open cluster NGC 6530 visible on the left of the image. The brightest part of the nebula is called the hourglass nebula whose gases are excited mainly by two massive supergeant stars Herschel 36 and 9 Sagittarii. Image made with Siding Spring's 3.9m telescope. At the heart of the Lagoon Nebula in Sagittarius lies the diminutive Hourglass Nebula. This extremely bright object is associated with the blue star alongside it, named Herschel 36 after its discoverer. Herschel described M8 as 'A noble nebula' and 'a fine and complicated nebula', but he was clearly intrigued by the Hourglass which he compared to the nucleus of the Andromeda nebula, M31 as 'decidedly not

Nebula of the Lagoon (M8) in Sagittarius - The Hourglass Nebula in M8, NGC 6523 - View of the Nebula of the Lagoon (M8/NGC 6523). Located in Sagittarius, at a distance of 5800 years - light, it is visible to the naked eye in good conditions. It is a star-forming region illuminated by several large O-type stars that belong to the open cluster NGC 6530 visible on the left of the image. The brightest part of the nebula is called the hourglass nebula whose gases are excited mainly by two massive supergeant stars Herschel 36 and 9 Sagittarii. Image made with Siding Spring's 3.9m telescope. At the heart of the Lagoon Nebula in Sagittarius lies the diminutive Hourglass Nebula. This extremely bright object is associated with the blue star alongside it, named Herschel 36 after its discoverer. Herschel described M8 as 'A noble nebula' and 'a fine and complicated nebula', but he was clearly intrigued by the Hourglass which he compared to the nucleus of the Andromeda nebula, M31 as 'decidedly not

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Nebula NGC 6726 - 27 - 29 in the Southern Crown - The Corona Australis nebula (NGC 6726 - 27 - 29) Image of R Coronae Australis region in the southern Milky Way, obtained with the Wide Field Imager (WFI) (camera) at the 2.2 - m MPG/ESO Telescope on La Silla (Chile). The sky field shown measures approx. 33.7 x 31.9 arcmin2 (about the diameter of the full moon). The R Coronae Australis complex of young stars and interstellar gas clouds is one of the nearest star - forming regions, at a distance of approx. 500 light - years from the Sun. It is seen in the southern constellation of that name (The “Southern Crown”). R Coronae Australis, the bright star from which the entire complex is named, is located at the center of the field and illuminates the reddish nebula around it. The bright star in the lower part, illuminating a somewhat bluer nebula, is known as TY Coronae Australis. The brightness of these two stars and several others in the same field is variable. They belong to the so - calle

Nebula NGC 6726 - 27 - 29 in the Southern Crown - The Corona Australis nebula (NGC 6726 - 27 - 29) Image of R Coronae Australis region in the southern Milky Way, obtained with the Wide Field Imager (WFI) (camera) at the 2.2 - m MPG/ESO Telescope on La Silla (Chile). The sky field shown measures approx. 33.7 x 31.9 arcmin2 (about the diameter of the full moon). The R Coronae Australis complex of young stars and interstellar gas clouds is one of the nearest star - forming regions, at a distance of approx. 500 light - years from the Sun. It is seen in the southern constellation of that name (The “Southern Crown”). R Coronae Australis, the bright star from which the entire complex is named, is located at the center of the field and illuminates the reddish nebula around it. The bright star in the lower part, illuminating a somewhat bluer nebula, is known as TY Coronae Australis. The brightness of these two stars and several others in the same field is variable. They belong to the so - calle

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Nebulae IC 2948 and 2944 in Centaur - A large southern emission nebula, IC 2948 - Nebula IC 2948 is a vast nebula located about 6000 years from Earth in the southern constellation of Centaur. It is associated with the cluster of stars IC 2944 near which Bok's blood cells are visible. A Bok's blood cell is a dark interstellar cloud of gases and dust that absorb light. If it condenses enough, it gives birth to new stars. IC2944 is a large HII region (star forming cloud) in the southern constellation of Centaurus. The bright blue star in the upper right is Lambda Centauri, one of the brightest stars in the southern sky.The cluster of hot blue stars to the right of center are illuminating the gases of IC2944 and causing it to glow in the red and magenta light of excited hydrogen. The compact black objects adjacent to the bright blue stars are called Thackeray's Globules named for the astronomer A.D. Thackeray who described these in 1950. Thackeray Globules are similar to Bok Globules which

Nebulae IC 2948 and 2944 in Centaur - A large southern emission nebula, IC 2948 - Nebula IC 2948 is a vast nebula located about 6000 years from Earth in the southern constellation of Centaur. It is associated with the cluster of stars IC 2944 near which Bok's blood cells are visible. A Bok's blood cell is a dark interstellar cloud of gases and dust that absorb light. If it condenses enough, it gives birth to new stars. IC2944 is a large HII region (star forming cloud) in the southern constellation of Centaurus. The bright blue star in the upper right is Lambda Centauri, one of the brightest stars in the southern sky.The cluster of hot blue stars to the right of center are illuminating the gases of IC2944 and causing it to glow in the red and magenta light of excited hydrogen. The compact black objects adjacent to the bright blue stars are called Thackeray's Globules named for the astronomer A.D. Thackeray who described these in 1950. Thackeray Globules are similar to Bok Globules which

R. Gendler

PIX4622567

Mars - View of the south pole - Mars South pole - Image of part of the southern polar cap of Mars obtained by the Mars Express probe on December 17, 2012. The bright white region of this image shows the icy cap that covers Mars' south pole, composed of frozen water and carbon dioxide. While it looks smooth in this image, at close quarters the cap is a layered mix of peaks, troughs and flat plains, and has been likened in appearance to swiss cheese. The southern cap reaches some 3 km thick in places, and is around 350 km in diameter. This icy region is permanent; in the martian winter another, thinner ice cap forms over the top of it, stretching further out across the planet and disappearing again when the weather warms up. The cap is around 150 km north of Mars' geographical south pole and Mars Express has shed light on why this ice cap is displaced. Deep impact craters - notably the Hellas Basin, the largest impact structure on the entire planet at 7 km deep and 2300 km across - funne

Mars - View of the south pole - Mars South pole - Image of part of the southern polar cap of Mars obtained by the Mars Express probe on December 17, 2012. The bright white region of this image shows the icy cap that covers Mars' south pole, composed of frozen water and carbon dioxide. While it looks smooth in this image, at close quarters the cap is a layered mix of peaks, troughs and flat plains, and has been likened in appearance to swiss cheese. The southern cap reaches some 3 km thick in places, and is around 350 km in diameter. This icy region is permanent; in the martian winter another, thinner ice cap forms over the top of it, stretching further out across the planet and disappearing again when the weather warms up. The cap is around 150 km north of Mars' geographical south pole and Mars Express has shed light on why this ice cap is displaced. Deep impact craters - notably the Hellas Basin, the largest impact structure on the entire planet at 7 km deep and 2300 km across - funne

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Center of the Omega Nebula (M17) in the sagittarius seen by HST - Center of the Omega Nebula, a hotbed of newly born stars wrapped in colorful blankets of glowing gas and cradled in an enormous cold, dark hydrogen cloud. This picture was taken by the Advanced Camera for Surveys (ACS) aboard Nasa's Hubble Space Telescope. The region of the nebula shown in this photograph is about 3,500 times wider than our solar system. The area represents about 60 percent of the total view captured by ACS. The nebula, also called M17 and the Swan Nebula, resides 5,500 light - years away in the constellation Sagittarius. Like its famous cousin in Orion, the Swan Nebula is illuminated by ultraviolet radiation from young, massive stars, located just beyond the upper right corner of the image. Each star is about six times hotter and 30 times more massive than the Sun. The powerful radiation from these stars evaporates and erodes the dense cloud of cold gas within which the stars formed. The blistered walls

Center of the Omega Nebula (M17) in the sagittarius seen by HST - Center of the Omega Nebula, a hotbed of newly born stars wrapped in colorful blankets of glowing gas and cradled in an enormous cold, dark hydrogen cloud. This picture was taken by the Advanced Camera for Surveys (ACS) aboard Nasa's Hubble Space Telescope. The region of the nebula shown in this photograph is about 3,500 times wider than our solar system. The area represents about 60 percent of the total view captured by ACS. The nebula, also called M17 and the Swan Nebula, resides 5,500 light - years away in the constellation Sagittarius. Like its famous cousin in Orion, the Swan Nebula is illuminated by ultraviolet radiation from young, massive stars, located just beyond the upper right corner of the image. Each star is about six times hotter and 30 times more massive than the Sun. The powerful radiation from these stars evaporates and erodes the dense cloud of cold gas within which the stars formed. The blistered walls

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Globular cluster NGC 7006 - Globular cluster NGC 7006 - The globular cluster NGC 7006 is located in the constellation Dauphin about 135,000 years old - light from Earth. Image obtained by the Hubble Space Telescope (HST). This NASA/ESA Hubble Space Telescope image shows a compact and remote globular star cluster that lies in one of the smallest constellations in the night sky, Delphinus (The Dolphin). Due to its modest size, great distance and relatively low brightness, NGC 7006 is often ignored by amateur astronomers. But even remote globular clusters such as this one appear bright and clear when imaged by Hubble's Advanced Camera for Surveys. NGC 7006 resides in the outskirts of the Milky Way. It is about 135,000 light - years away, five times the distance between the Sun and the centre of the galaxy, and it is part of the galactic halo. This roughly spherical region of the Milky Way is made up of dark matter, gas and sparsely distributed stellar clusters. Like other remote globular

Globular cluster NGC 7006 - Globular cluster NGC 7006 - The globular cluster NGC 7006 is located in the constellation Dauphin about 135,000 years old - light from Earth. Image obtained by the Hubble Space Telescope (HST). This NASA/ESA Hubble Space Telescope image shows a compact and remote globular star cluster that lies in one of the smallest constellations in the night sky, Delphinus (The Dolphin). Due to its modest size, great distance and relatively low brightness, NGC 7006 is often ignored by amateur astronomers. But even remote globular clusters such as this one appear bright and clear when imaged by Hubble's Advanced Camera for Surveys. NGC 7006 resides in the outskirts of the Milky Way. It is about 135,000 light - years away, five times the distance between the Sun and the centre of the galaxy, and it is part of the galactic halo. This roughly spherical region of the Milky Way is made up of dark matter, gas and sparsely distributed stellar clusters. Like other remote globular

PIX4565129

Tethys, Saturn satellite, seen by the Cassini probe - Saturn's moon Tethys seen by Cassini spacecraft: The Tethys satellite photographed by the Cassini probe on 11 April 2015 has a distance of 53,000 km from the satellite. Tethys is about 1070 km in diameter. - This enhancement-color mosaic of Saturn's icy moon Tethys shows a range of features on the moon's trailing hemisphere. Tethys is tidally locked to Saturn, so the trailing hemisphere is the side of the moon that always faces opposite its direction of motion as it orbits the planet - Images taken using clear, green, infrared and ultraviolet spectral filters were combined to create the view, which highlights subtle color differences across Tethys' surface at wavelengths not visible to human eyes. The moon's surface is fairly uniform in natural color - The color of the surface changes conspicuously across the disk, from yellowish hues to nearly white. These broad color changes are affected by a number of external processes. First, S

Tethys, Saturn satellite, seen by the Cassini probe - Saturn's moon Tethys seen by Cassini spacecraft: The Tethys satellite photographed by the Cassini probe on 11 April 2015 has a distance of 53,000 km from the satellite. Tethys is about 1070 km in diameter. - This enhancement-color mosaic of Saturn's icy moon Tethys shows a range of features on the moon's trailing hemisphere. Tethys is tidally locked to Saturn, so the trailing hemisphere is the side of the moon that always faces opposite its direction of motion as it orbits the planet - Images taken using clear, green, infrared and ultraviolet spectral filters were combined to create the view, which highlights subtle color differences across Tethys' surface at wavelengths not visible to human eyes. The moon's surface is fairly uniform in natural color - The color of the surface changes conspicuously across the disk, from yellowish hues to nearly white. These broad color changes are affected by a number of external processes. First, S

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Launch of the New Horizons probe by an Atlas V - New Horizons launch by an Atlas V rocket - Decolving the Atlas 5 rocket carrying the New Horizons probe. The New Horizons probe was launched on 19 January 2006 to Jupiter, then Pluto and Charon, which it will reach in 2015 and Kuiper's objects in 2020. From lightning masts surrounding the launch pad, Nasa's New Horizons spacecraft roars into the blue sky aboard an Atlas V rocket spewing flames and smoke. Liftoff was on time at 2 p.m. EST from Complex 41 on Cape Canaveral Air Force Station in Florida. This was the third launch attempt in as many days after scrubs due to weather concerns. The compact, 1,050 - pound piano - sized probe will get a boost from a kick - stage solid propellant motor for its journey to Pluto. New Horizons will be the fastest spacecraft ever launched, reaching lunar orbit distance in just nine hours and passing Jupiter 13 months later. The New Horizons science payload, developed under direction of Southwest Resear

Launch of the New Horizons probe by an Atlas V - New Horizons launch by an Atlas V rocket - Decolving the Atlas 5 rocket carrying the New Horizons probe. The New Horizons probe was launched on 19 January 2006 to Jupiter, then Pluto and Charon, which it will reach in 2015 and Kuiper's objects in 2020. From lightning masts surrounding the launch pad, Nasa's New Horizons spacecraft roars into the blue sky aboard an Atlas V rocket spewing flames and smoke. Liftoff was on time at 2 p.m. EST from Complex 41 on Cape Canaveral Air Force Station in Florida. This was the third launch attempt in as many days after scrubs due to weather concerns. The compact, 1,050 - pound piano - sized probe will get a boost from a kick - stage solid propellant motor for its journey to Pluto. New Horizons will be the fastest spacecraft ever launched, reaching lunar orbit distance in just nine hours and passing Jupiter 13 months later. The New Horizons science payload, developed under direction of Southwest Resear

PIX4604982

M87 elliptical galaxy in Virgo - M87 elliptical galaxy in Virgo - The M87 galaxy (NGC 4486) is 54 million years ago - light from Earth, in the heart of the Virgin's cluster. This composite image obtained by the Hubble space telescope in 2003 and 2006 shows a gigantic jet of gas material ejected from the heart of the galaxy. A supermassive black hole would have caused this jet. The monstrous elliptical galaxy M87 is the home of several trillion stars, a supermassive black hole, and a family of 13,000 globular star clusters. M87 is the dominant galaxy at the center of the neighboring Virgo cluster of galaxies, which contains some 2,000 galaxies. Amid the smooth, yellow population of older stars, the two features that stand out most in this Hubble Space Telescope image of M87 are its soft blue jet and the myriad of starlike globular clusters scattered throughout the image. The jet is a black - hole - powered stream of material that is being ejected from the core of the galaxy. As gaseous

M87 elliptical galaxy in Virgo - M87 elliptical galaxy in Virgo - The M87 galaxy (NGC 4486) is 54 million years ago - light from Earth, in the heart of the Virgin's cluster. This composite image obtained by the Hubble space telescope in 2003 and 2006 shows a gigantic jet of gas material ejected from the heart of the galaxy. A supermassive black hole would have caused this jet. The monstrous elliptical galaxy M87 is the home of several trillion stars, a supermassive black hole, and a family of 13,000 globular star clusters. M87 is the dominant galaxy at the center of the neighboring Virgo cluster of galaxies, which contains some 2,000 galaxies. Amid the smooth, yellow population of older stars, the two features that stand out most in this Hubble Space Telescope image of M87 are its soft blue jet and the myriad of starlike globular clusters scattered throughout the image. The jet is a black - hole - powered stream of material that is being ejected from the core of the galaxy. As gaseous

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Galaxy clusters Abell 370 - Abell 370 cluster of galaxies with gravitational arcs - This galaxy cluster is located about 4 billion light years from Earth in the constellation of the Whale. This image obtained by the Hubble Space Telescope shows gravitational arcs among galaxies. These mirages are deformed images of farther galaxies located behind the cluster. The galaxy cluster Abell 370 contains an astounding assortment of several hundred galaxies tied together by the mutual pull of gravity

Galaxy clusters Abell 370 - Abell 370 cluster of galaxies with gravitational arcs - This galaxy cluster is located about 4 billion light years from Earth in the constellation of the Whale. This image obtained by the Hubble Space Telescope shows gravitational arcs among galaxies. These mirages are deformed images of farther galaxies located behind the cluster. The galaxy cluster Abell 370 contains an astounding assortment of several hundred galaxies tied together by the mutual pull of gravity

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Spiral Galaxy NGC 4921 - Unusual Spiral NGC 4921 in the Coma Galaxy Cluster - Galaxy NGC 4921 photographed by the Hubble Space Telescope (HST). Located in the cluster of Coma galaxies (Abell 1656) is about 320 million light years old, this spiral galaxy presents an unusual structure with poorly marked arms; some young blue stars are visible but the activity of star formation here is much less strong than in other spiral galaxies. In the background, many more distant galaxies appear. This very deep image taken with the NASA/ESA Hubble Space Telescope shows the spiral galaxy NGC 4921 along with a spectacular backdrop of more distant galaxies. It was created from a total of 80 separate pictures through yellow and near - infrared filters. The Coma Galaxy Cluster, in the northern constellation of Coma Berenices, the hair of Queen Berenice, is one of the closest very rich collections of galaxies in the nearby Universe. The cluster, also known as Abell 1656, is about 320 million light - years

Spiral Galaxy NGC 4921 - Unusual Spiral NGC 4921 in the Coma Galaxy Cluster - Galaxy NGC 4921 photographed by the Hubble Space Telescope (HST). Located in the cluster of Coma galaxies (Abell 1656) is about 320 million light years old, this spiral galaxy presents an unusual structure with poorly marked arms; some young blue stars are visible but the activity of star formation here is much less strong than in other spiral galaxies. In the background, many more distant galaxies appear. This very deep image taken with the NASA/ESA Hubble Space Telescope shows the spiral galaxy NGC 4921 along with a spectacular backdrop of more distant galaxies. It was created from a total of 80 separate pictures through yellow and near - infrared filters. The Coma Galaxy Cluster, in the northern constellation of Coma Berenices, the hair of Queen Berenice, is one of the closest very rich collections of galaxies in the nearby Universe. The cluster, also known as Abell 1656, is about 320 million light - years

PIX4612079

Europe - Jupiter Satellite - View of the surface of the Europe satellite obtained from images made by the Galileo probe in 1995 and 1998. Jupiter's icy moon Europa looms large in this newly - reprocessed color view, made from images taken by Nasa's Galileo spacecraft in the late 1990s. This is the color view of Europa from Galileo that shows the largest portion of the moon's surface at the highest resolution. To create this new version, the images were assembled into a realistic color view of the surface that approximates how Europa would appear to the human eye. The scene shows the stunning diversity of Europa's surface geology. Long, linear cracks and ridges crisscross the surface, interrupted by regions of disrupted terrain where the surface ice crust has been broken up and re - frozen into new patterns. Color variations across the surface are associated with differences in geologic feature type and location. For example, areas that appear blue or white contain relatively pure water

Europe - Jupiter Satellite - View of the surface of the Europe satellite obtained from images made by the Galileo probe in 1995 and 1998. Jupiter's icy moon Europa looms large in this newly - reprocessed color view, made from images taken by Nasa's Galileo spacecraft in the late 1990s. This is the color view of Europa from Galileo that shows the largest portion of the moon's surface at the highest resolution. To create this new version, the images were assembled into a realistic color view of the surface that approximates how Europa would appear to the human eye. The scene shows the stunning diversity of Europa's surface geology. Long, linear cracks and ridges crisscross the surface, interrupted by regions of disrupted terrain where the surface ice crust has been broken up and re - frozen into new patterns. Color variations across the surface are associated with differences in geologic feature type and location. For example, areas that appear blue or white contain relatively pure water

PIX4574821

Avalanches on Mars - Mars: avalanches on North Polar Scarps - At the top, the images show the area where these avalanches occurred. Part of the cliff has become detached in different places creating avalanches of dust

Avalanches on Mars - Mars: avalanches on North Polar Scarps - At the top, the images show the area where these avalanches occurred. Part of the cliff has become detached in different places creating avalanches of dust

PIX4616514

Nebulae NGC 6334 and NGC 6357 in Scorpio - Nebulae NGC 6334 and NGC 6357 in Scorpius: These nebulae are located about 5500 light years from Earth - Located in the constellation of Scorpius, the Cat's Paw Nebula resemble a faint, luminous paw-print on the sky. Deep images reveal that the nebula is about a degree across in the sky. At a distance of about 5500 light-years away it is a truly vast structure spanning almost 100 light-years across. The sculpted gases of NGC 6334 are illuminated by the light of numerous powerful stars, some exceeding 10 solar masses. The two brilliant blue stars in the upper left are Lambda and Kappa Scorpii. Many of these luminous hot stars are surprisingly not visible because they lie within the dusty plane of our galaxy. At infrared wavelengths the numerous hot stars are revealed and the nature of this object as a region of massive star formation becomes clear. In the past decade water masers, molecular outflows, and x-ray sources have provided direct evide

Nebulae NGC 6334 and NGC 6357 in Scorpio - Nebulae NGC 6334 and NGC 6357 in Scorpius: These nebulae are located about 5500 light years from Earth - Located in the constellation of Scorpius, the Cat's Paw Nebula resemble a faint, luminous paw-print on the sky. Deep images reveal that the nebula is about a degree across in the sky. At a distance of about 5500 light-years away it is a truly vast structure spanning almost 100 light-years across. The sculpted gases of NGC 6334 are illuminated by the light of numerous powerful stars, some exceeding 10 solar masses. The two brilliant blue stars in the upper left are Lambda and Kappa Scorpii. Many of these luminous hot stars are surprisingly not visible because they lie within the dusty plane of our galaxy. At infrared wavelengths the numerous hot stars are revealed and the nature of this object as a region of massive star formation becomes clear. In the past decade water masers, molecular outflows, and x-ray sources have provided direct evide

R. Gendler

PIX4619391

Globular cluster M13 - Hercules cluster - The Great Globular Cluster in Hercules M13 - M13 (NGC 6205), extends for about 150 years - light and is approximately 25,000 years - light from Earth in the constellation of Hercules. Image obtained by the Hubble Space Telescope. M13 is home to over 100,000 stars and located at a distance of 25,000 light - years. These stars are packed so closely together in a ball, approximately 150 light - years across, that they will spend their entire lives whirling around in the cluster. Near the core of this cluster, the density of stars is about a hundred times greater than the density in the neighborhood of our sun. These stars are so crowded that they can, at times, slam into each other and even form a new star, called a “blue straggler.” The brightest reddish stars in the cluster are ancient red giants. These aging stars have expanded to many times their original diameters and cooled. The blue - white stars are the hottest in the cluster. Globular clu

Globular cluster M13 - Hercules cluster - The Great Globular Cluster in Hercules M13 - M13 (NGC 6205), extends for about 150 years - light and is approximately 25,000 years - light from Earth in the constellation of Hercules. Image obtained by the Hubble Space Telescope. M13 is home to over 100,000 stars and located at a distance of 25,000 light - years. These stars are packed so closely together in a ball, approximately 150 light - years across, that they will spend their entire lives whirling around in the cluster. Near the core of this cluster, the density of stars is about a hundred times greater than the density in the neighborhood of our sun. These stars are so crowded that they can, at times, slam into each other and even form a new star, called a “blue straggler.” The brightest reddish stars in the cluster are ancient red giants. These aging stars have expanded to many times their original diameters and cooled. The blue - white stars are the hottest in the cluster. Globular clu

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Stars cluster in the Nebula of the Eagle - Young stars in the Eagle nebula - Detail on young stars located in the cluster of stars NGC 6611 of the Nebula of the Eagle (M16). Image obtained by the Hubble Space Telescope. A spectacular section of the well - known Eagle Nebula has been targeted by the NASA/ESA Hubble Space Telescope. This collection of dazzling stars is called NGC 6611, an open star cluster that formed about 5.5 million years ago and is found approximately 6500 light - years from the Earth. It is a very young cluster, containing many hot, blue stars, whose fierce ultraviolet glow make the surrounding Eagle Nebula glow brightly. The cluster and the associated nebula together are also known as Messier 16. Astronomers refer to areas like the Eagle Nebula as HII regions. This is the scientific notation for ionised hydrogen from which the region is largely made. Extrapolating far into the future, this HII region will eventually disperse, helped along by shockwaves from superno

Stars cluster in the Nebula of the Eagle - Young stars in the Eagle nebula - Detail on young stars located in the cluster of stars NGC 6611 of the Nebula of the Eagle (M16). Image obtained by the Hubble Space Telescope. A spectacular section of the well - known Eagle Nebula has been targeted by the NASA/ESA Hubble Space Telescope. This collection of dazzling stars is called NGC 6611, an open star cluster that formed about 5.5 million years ago and is found approximately 6500 light - years from the Earth. It is a very young cluster, containing many hot, blue stars, whose fierce ultraviolet glow make the surrounding Eagle Nebula glow brightly. The cluster and the associated nebula together are also known as Messier 16. Astronomers refer to areas like the Eagle Nebula as HII regions. This is the scientific notation for ionised hydrogen from which the region is largely made. Extrapolating far into the future, this HII region will eventually disperse, helped along by shockwaves from superno

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Motion of the Star Proxima of Centauri - The proper motion of Proxima Centauri - Proxima of Centauri (in the center of the image) is the closest star to the Sun, located at a distance of 4.2 years - light. This star is a red dwarf, 10,000 times less luminous than our Sun, and is invisible to the naked eye. Its proximity makes it move quickly ahead of the other stars. This composite image made from three images taken in 1976 (blue), 1982 (red) and 1993 (green) shows the shift of the star in 17 years. Image obtained from the 1.2m Schmidt UK telescope of Siding Spring. Proxima Centauri is the nearest known star to the sun, at a distance of about 4.2 light years. It is an intrinsically faint red star, more than ten magnitudes (ten thousand times) fainter than the Sun. It is also much cooler, with a surface temperature of about 3100 C. Its visual (apparent) magnitude is eleven, so it is only visible with a good telescope, and only then from southern latitudes. Proxima is about one - tenth t

Motion of the Star Proxima of Centauri - The proper motion of Proxima Centauri - Proxima of Centauri (in the center of the image) is the closest star to the Sun, located at a distance of 4.2 years - light. This star is a red dwarf, 10,000 times less luminous than our Sun, and is invisible to the naked eye. Its proximity makes it move quickly ahead of the other stars. This composite image made from three images taken in 1976 (blue), 1982 (red) and 1993 (green) shows the shift of the star in 17 years. Image obtained from the 1.2m Schmidt UK telescope of Siding Spring. Proxima Centauri is the nearest known star to the sun, at a distance of about 4.2 light years. It is an intrinsically faint red star, more than ten magnitudes (ten thousand times) fainter than the Sun. It is also much cooler, with a surface temperature of about 3100 C. Its visual (apparent) magnitude is eleven, so it is only visible with a good telescope, and only then from southern latitudes. Proxima is about one - tenth t

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Globular cluster M13 - Hercules cluster - The Great Globular Cluster in Hercules M13 - M13 (NGC 6205), extends for about 150 years - light and is approximately 25,000 years - light from Earth in the constellation of Hercules. Image obtained by the Hubble Space Telescope. M13 is home to over 100,000 stars and located at a distance of 25,000 light - years. These stars are packed so closely together in a ball, approximately 150 light - years across, that they will spend their entire lives whirling around in the cluster. Near the core of this cluster, the density of stars is about a hundred times greater than the density in the neighborhood of our sun. These stars are so crowded that they can, at times, slam into each other and even form a new star, called a “blue straggler.” The brightest reddish stars in the cluster are ancient red giants. These aging stars have expanded to many times their original diameters and cooled. The blue - white stars are the hottest in the cluster. Globular clu

Globular cluster M13 - Hercules cluster - The Great Globular Cluster in Hercules M13 - M13 (NGC 6205), extends for about 150 years - light and is approximately 25,000 years - light from Earth in the constellation of Hercules. Image obtained by the Hubble Space Telescope. M13 is home to over 100,000 stars and located at a distance of 25,000 light - years. These stars are packed so closely together in a ball, approximately 150 light - years across, that they will spend their entire lives whirling around in the cluster. Near the core of this cluster, the density of stars is about a hundred times greater than the density in the neighborhood of our sun. These stars are so crowded that they can, at times, slam into each other and even form a new star, called a “blue straggler.” The brightest reddish stars in the cluster are ancient red giants. These aging stars have expanded to many times their original diameters and cooled. The blue - white stars are the hottest in the cluster. Globular clu

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Spiral Galaxy NGC 4452 - Galaxy Spiral NGC 4452 - NGC 4452 is located about 60 million light years away from Earth in the galaxy cluster of Our Lady. Seen from the Earth, this spiral galaxy is presented by the slice, leaving only the thickness of its disc visible. Image obtained by the Hubble Space Telescope. The NASA/ESA Hubble Space Telescope has imaged a striking galaxy called NGC 4452, which appears to lie exactly edge - on as seen from Earth. The bright nucleus can be seen at the centre, along with the very thin disc that looks like a straight line from our unusual viewing position. To complete the picture, a hazy halo of stars on the periphery of the galaxy makes it seem to glow. NGC 4452 was first seen by William Herschel in 1784 with his 47 cm telescope in England. He described the object as a bright nebula, small and very much elongated. The new Hubble image shows just how elongated this unusual object really is. NGC 4452 is part of the Virgo Cluster, so - called because many

Spiral Galaxy NGC 4452 - Galaxy Spiral NGC 4452 - NGC 4452 is located about 60 million light years away from Earth in the galaxy cluster of Our Lady. Seen from the Earth, this spiral galaxy is presented by the slice, leaving only the thickness of its disc visible. Image obtained by the Hubble Space Telescope. The NASA/ESA Hubble Space Telescope has imaged a striking galaxy called NGC 4452, which appears to lie exactly edge - on as seen from Earth. The bright nucleus can be seen at the centre, along with the very thin disc that looks like a straight line from our unusual viewing position. To complete the picture, a hazy halo of stars on the periphery of the galaxy makes it seem to glow. NGC 4452 was first seen by William Herschel in 1784 with his 47 cm telescope in England. He described the object as a bright nebula, small and very much elongated. The new Hubble image shows just how elongated this unusual object really is. NGC 4452 is part of the Virgo Cluster, so - called because many

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Markarian Galaxy 817 - Galaxy Markarian 817 - The spiral galaxy Markarian 817 is located 430 million light years ago in the constellation Dragon. This galaxy houses in its heart a supermassive black hole. Image obtained by the Hubble Space Telescope on August 2, 2009. Rings of brilliant blue stars encircle the bright, active core of this spiral galaxy, whose monster black hole is blasting material into space at over 14 million kilometers per hour. Viewed nearly face - on, the galaxy, called Markarian 817, shows intense star - forming regions and dark bands of interstellar dust along its spiral arms. Observations by the new Cosmic Origins Spectrograph (COS) aboard the NASA/ESA Hubble Space Telescope captured the powerful outflow of material from this galaxy. The COS spectrum of Markarian 817 highlights the outflow's dynamic nature. A gas cloud containing hydrogen that was detected in Hubble data taken in 1997 does not appear in the COS observation because the cloud has apparently been d

Markarian Galaxy 817 - Galaxy Markarian 817 - The spiral galaxy Markarian 817 is located 430 million light years ago in the constellation Dragon. This galaxy houses in its heart a supermassive black hole. Image obtained by the Hubble Space Telescope on August 2, 2009. Rings of brilliant blue stars encircle the bright, active core of this spiral galaxy, whose monster black hole is blasting material into space at over 14 million kilometers per hour. Viewed nearly face - on, the galaxy, called Markarian 817, shows intense star - forming regions and dark bands of interstellar dust along its spiral arms. Observations by the new Cosmic Origins Spectrograph (COS) aboard the NASA/ESA Hubble Space Telescope captured the powerful outflow of material from this galaxy. The COS spectrum of Markarian 817 highlights the outflow's dynamic nature. A gas cloud containing hydrogen that was detected in Hubble data taken in 1997 does not appear in the COS observation because the cloud has apparently been d

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Central region of the elliptical galaxy Centaurus A (NGC 5128) - Central part of the galaxy Centaurus A (NGC 5128) - The galaxy NGC 5128 is located about 13 million years away from Earth in the southern constellation of Centaurus. A broad dark band crosses it in the middle, a probable vestige of a collision with a spiral galaxy. This giant galaxy is a powerful radio source known as Centaurus A. It is an active galaxy whose energy comes from a supermassive black hole. The green dot visible in the dust strip is a supernova, the supernova 1986g. It appears green because the red filter image that made this trichromy image was only taken a year after the event and the supernova had weakened. Image obtained from the 3.9m telescope of Siding Spring, Australia. The nearby radio source Centaurus A (NGC 5128) looks like an elliptical galaxy, crossed by a broad, irregular dust lane. The dark band is probably the remains of a dusty spiral galaxy which is being absorbed by the giant elliptical. One

Central region of the elliptical galaxy Centaurus A (NGC 5128) - Central part of the galaxy Centaurus A (NGC 5128) - The galaxy NGC 5128 is located about 13 million years away from Earth in the southern constellation of Centaurus. A broad dark band crosses it in the middle, a probable vestige of a collision with a spiral galaxy. This giant galaxy is a powerful radio source known as Centaurus A. It is an active galaxy whose energy comes from a supermassive black hole. The green dot visible in the dust strip is a supernova, the supernova 1986g. It appears green because the red filter image that made this trichromy image was only taken a year after the event and the supernova had weakened. Image obtained from the 3.9m telescope of Siding Spring, Australia. The nearby radio source Centaurus A (NGC 5128) looks like an elliptical galaxy, crossed by a broad, irregular dust lane. The dark band is probably the remains of a dusty spiral galaxy which is being absorbed by the giant elliptical. One

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Spiral galaxy M81 in the Great Bear - Spiral galaxy M81 in Ursa Major - The spiral galaxy M81 is located 12 million years ago - light from Earth. Its arms are home to star-forming regions while its core is surrounded by much older yellow stars. In the background at the top, an irregular dwarf galaxy, Holmberg IX. This image obtained by a 50 cm amateur telescope, in February 2010 for 23 hours of poses, shows gas filaments whose origin is uncertain. Located about 12 million light - years from our planet, M81 (NGC 3031) together with M82 (NGC 3034), NGC 3077 and NGC 2976 forms one of the most iconic groups of interacting galaxies. The M81 group has also been the subject of many studies searching for and analyzing evidence of strong interactions among its components. In 1965, Halton Arp detected an unusual looping feature near M81 while examining photographic plates produced with the 48 - inch Schmidt on Mount Palomar. Traditionally, ARP's loop has been interpreted as a tail resulting from

Spiral galaxy M81 in the Great Bear - Spiral galaxy M81 in Ursa Major - The spiral galaxy M81 is located 12 million years ago - light from Earth. Its arms are home to star-forming regions while its core is surrounded by much older yellow stars. In the background at the top, an irregular dwarf galaxy, Holmberg IX. This image obtained by a 50 cm amateur telescope, in February 2010 for 23 hours of poses, shows gas filaments whose origin is uncertain. Located about 12 million light - years from our planet, M81 (NGC 3031) together with M82 (NGC 3034), NGC 3077 and NGC 2976 forms one of the most iconic groups of interacting galaxies. The M81 group has also been the subject of many studies searching for and analyzing evidence of strong interactions among its components. In 1965, Halton Arp detected an unusual looping feature near M81 while examining photographic plates produced with the 48 - inch Schmidt on Mount Palomar. Traditionally, ARP's loop has been interpreted as a tail resulting from

R. Jay GaBany

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Southern Crown Nebula - The Corona Australis nebula (NGC 6726 - 27 - 29) - R Coronae Australis is one of the closest and most intense star-forming regions; visible in the southern hemisphere, it is located about 500 years from Earth. R Coronae Australis is the star in the center of the image that illuminates a reddish nebula around it. Image obtained in Chile at the observatory of La Silla with the 2.2 meter MPG/ESO telescope. Image of R Coronae Australis region in the southern Milky Way, obtained with the Wide Field Imager (WFI) (camera) at the 2.2 - m MPG/ESO Telescope on La Silla (Chile). The R Coronae Australis complex of young stars and interstellar gas clouds is one of the nearest star - forming regions, at a distance of approx. 500 light - years from the Sun. It is seen in the southern constellation of that name (The “Southern Crown”). R Coronae Australis, the bright star from which the entire complex is named, is located at the center of the field and illuminates the reddish ne

Southern Crown Nebula - The Corona Australis nebula (NGC 6726 - 27 - 29) - R Coronae Australis is one of the closest and most intense star-forming regions; visible in the southern hemisphere, it is located about 500 years from Earth. R Coronae Australis is the star in the center of the image that illuminates a reddish nebula around it. Image obtained in Chile at the observatory of La Silla with the 2.2 meter MPG/ESO telescope. Image of R Coronae Australis region in the southern Milky Way, obtained with the Wide Field Imager (WFI) (camera) at the 2.2 - m MPG/ESO Telescope on La Silla (Chile). The R Coronae Australis complex of young stars and interstellar gas clouds is one of the nearest star - forming regions, at a distance of approx. 500 light - years from the Sun. It is seen in the southern constellation of that name (The “Southern Crown”). R Coronae Australis, the bright star from which the entire complex is named, is located at the center of the field and illuminates the reddish ne

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Enceladus, Saturn's satellite, seen by Cassini - Saturn's moon Enceladus from Cassini - Mosaic of false-coloured images obtained by the Cassini probe during the flight over this satellite on 11 August 2008. The image shows a fractured region in the southern hemisphere of the satellite. This mosaic of Saturn's moon Enceladus provides broad regional context for the ultra - sharp, close - up views Nasa's Cassini spacecraft acquired minutes earlier, during its flyby on Aug. 11, 2008. This false - color mosaic combines Imaging Science Subsystem (ISS) narrow - angle camera images obtained through ultraviolet, green, and near - infrared camera filters. Areas that are greenish in appearance are believed to represent deposits of coarser grained ice and solid boulders that are too small to be seen at this scale, but which are visible in the higher resolution views, while whitish deposits represent finer grained ice. The mosaic shows that coarse - grained and solid ice are concentrated along vall

Enceladus, Saturn's satellite, seen by Cassini - Saturn's moon Enceladus from Cassini - Mosaic of false-coloured images obtained by the Cassini probe during the flight over this satellite on 11 August 2008. The image shows a fractured region in the southern hemisphere of the satellite. This mosaic of Saturn's moon Enceladus provides broad regional context for the ultra - sharp, close - up views Nasa's Cassini spacecraft acquired minutes earlier, during its flyby on Aug. 11, 2008. This false - color mosaic combines Imaging Science Subsystem (ISS) narrow - angle camera images obtained through ultraviolet, green, and near - infrared camera filters. Areas that are greenish in appearance are believed to represent deposits of coarser grained ice and solid boulders that are too small to be seen at this scale, but which are visible in the higher resolution views, while whitish deposits represent finer grained ice. The mosaic shows that coarse - grained and solid ice are concentrated along vall

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Tethys, Saturn satellite, seen by the Cassini probe - Saturn's moon Tethys seen by Cassini spacecraft: The Tethys satellite photographed by the Cassini probe on 11 April 2015 has a distance of 53,000 km from the satellite. Tethys is about 1070 km in diameter. - This enhancement-color mosaic of Saturn's icy moon Tethys shows a range of features on the moon's trailing hemisphere. Tethys is tidally locked to Saturn, so the trailing hemisphere is the side of the moon that always faces opposite its direction of motion as it orbits the planet - Images taken using clear, green, infrared and ultraviolet spectral filters were combined to create the view, which highlights subtle color differences across Tethys' surface at wavelengths not visible to human eyes. The moon's surface is fairly uniform in natural color - The color of the surface changes conspicuously across the disk, from yellowish hues to nearly white. These broad color changes are affected by a number of external processes. First, S

Tethys, Saturn satellite, seen by the Cassini probe - Saturn's moon Tethys seen by Cassini spacecraft: The Tethys satellite photographed by the Cassini probe on 11 April 2015 has a distance of 53,000 km from the satellite. Tethys is about 1070 km in diameter. - This enhancement-color mosaic of Saturn's icy moon Tethys shows a range of features on the moon's trailing hemisphere. Tethys is tidally locked to Saturn, so the trailing hemisphere is the side of the moon that always faces opposite its direction of motion as it orbits the planet - Images taken using clear, green, infrared and ultraviolet spectral filters were combined to create the view, which highlights subtle color differences across Tethys' surface at wavelengths not visible to human eyes. The moon's surface is fairly uniform in natural color - The color of the surface changes conspicuously across the disk, from yellowish hues to nearly white. These broad color changes are affected by a number of external processes. First, S

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Barree spiral galaxy NGC 2146 in the Giraffe - Barred spiral galaxy NGC 2146 in Camelopardalis - NGC 2146 is a barree spiral galaxy located about 70 million years ago - light from Earth in the constellation Giraffe (Camelopardalis). Image obtained by the Hubble Space Telescope (HST). NGC 2146 is classified as a barred spiral due to its shape, but the most distinctive feature is the dusty spiral arm that has looped in front of the galaxy's core as seen from our perspective. The forces required to pull this structure out of its natural shape and twist it up to 45 degrees are colossal. The most likely explanation is that a neighbouring galaxy is gravitationally perturbing it and distorting the orbits of many of NGC 2146's stars. It is probable that we are currently witnessing the end stages of a process which has been occurring for tens of millions of years. NCG 2146 is undergoing intense bouts of star formation, to such an extent that it is referred to as a starburst galaxy. This is a co

Barree spiral galaxy NGC 2146 in the Giraffe - Barred spiral galaxy NGC 2146 in Camelopardalis - NGC 2146 is a barree spiral galaxy located about 70 million years ago - light from Earth in the constellation Giraffe (Camelopardalis). Image obtained by the Hubble Space Telescope (HST). NGC 2146 is classified as a barred spiral due to its shape, but the most distinctive feature is the dusty spiral arm that has looped in front of the galaxy's core as seen from our perspective. The forces required to pull this structure out of its natural shape and twist it up to 45 degrees are colossal. The most likely explanation is that a neighbouring galaxy is gravitationally perturbing it and distorting the orbits of many of NGC 2146's stars. It is probable that we are currently witnessing the end stages of a process which has been occurring for tens of millions of years. NCG 2146 is undergoing intense bouts of star formation, to such an extent that it is referred to as a starburst galaxy. This is a co

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Galaxy NGC 4631 in Hunting Dogs - Spiral galaxy NGC 4631 in Canes Venatici - Spiral galaxy seen by the slice located at a distance of 30 million years - light. Image obtained by the Hubble Space Telescope (HST). The NASA/ESA Hubble Space Telescope has peered deep into NGC 4631, better known as the Whale Galaxy. Here, a profusion of starbirth lights up the galactic centre, revealing bands of dark material between us and the starburst. The galaxy's activity tapers off in its outer regions where there are fewer stars and less dust, but these are still punctuated by pockets of star formation. The Whale Galaxy is about 30 million light - years away from us in the constellation of Canes Venatici (The Hunting Dogs) and is a spiral galaxy much like the Milky Way. From our vantage point, however, we see the Whale Galaxy edge - on, seeing its glowing centre through dusty spiral arms. The galaxy's central bulge and asymmetric tapering disc have suggested the shape of a whale or a herring to past

Galaxy NGC 4631 in Hunting Dogs - Spiral galaxy NGC 4631 in Canes Venatici - Spiral galaxy seen by the slice located at a distance of 30 million years - light. Image obtained by the Hubble Space Telescope (HST). The NASA/ESA Hubble Space Telescope has peered deep into NGC 4631, better known as the Whale Galaxy. Here, a profusion of starbirth lights up the galactic centre, revealing bands of dark material between us and the starburst. The galaxy's activity tapers off in its outer regions where there are fewer stars and less dust, but these are still punctuated by pockets of star formation. The Whale Galaxy is about 30 million light - years away from us in the constellation of Canes Venatici (The Hunting Dogs) and is a spiral galaxy much like the Milky Way. From our vantage point, however, we see the Whale Galaxy edge - on, seeing its glowing centre through dusty spiral arms. The galaxy's central bulge and asymmetric tapering disc have suggested the shape of a whale or a herring to past

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Richat structure - Mauritania - satellite view - Richat structure, Mauritania, seen by satellite - Richat structure is a geological formation of volcanic origin in Mauritania. This “eye” measures 50 km in diameter. This image is a combination of an image obtained by the Landsat satellite in 1987 and a radar image obtained from the Space Shuttle (SRTM) in 2000. The relief is exaggerated by about 6 times. The picture covers an area of 68 km by 112 km. This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous 50 - kilometer - wide (30 - mile - wide) bull's - eye on the otherwise rather featureless expanse of the desert. Initially mistaken for a possible impact crater, it is now known to be an eroded circular anticline (structural dome) of layered sedimentary rocks. Extensive sand dunes occur in this region and the interaction of bedrock topography, wind, and moving sand is evident in this

Richat structure - Mauritania - satellite view - Richat structure, Mauritania, seen by satellite - Richat structure is a geological formation of volcanic origin in Mauritania. This “eye” measures 50 km in diameter. This image is a combination of an image obtained by the Landsat satellite in 1987 and a radar image obtained from the Space Shuttle (SRTM) in 2000. The relief is exaggerated by about 6 times. The picture covers an area of 68 km by 112 km. This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous 50 - kilometer - wide (30 - mile - wide) bull's - eye on the otherwise rather featureless expanse of the desert. Initially mistaken for a possible impact crater, it is now known to be an eroded circular anticline (structural dome) of layered sedimentary rocks. Extensive sand dunes occur in this region and the interaction of bedrock topography, wind, and moving sand is evident in this

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Enceladus, Saturn's satellite, seen by the Cassini probe - Saturn's moon Enceladus seen by Cassini spacecraft - Mosaic of false-coloured images obtained by the Cassini probe during the flight over this satellite on 5 October 2008. The image shows a fractured region in the southern hemisphere of the satellite. On Oct. 5, 2008, just after coming within 25 kilometers (15.6 miles) of the surface of Enceladus, Nasa's Cassini captured this stunning mosaic as the spacecraft sped away from this geologically active moon of Saturn. Craters and cratered terrains are rare in this view of the southern region of the moon's Saturn - facing hemisphere. Instead, the surface is replete with fractures, folds, and ridges - - all hallmarks of remarkable tectonic activity for a relatively small world. In this enhanced - color view, regions that appear blue - green are thought to be coated with larger grains than those that appear white or gray. Portions of the tiger stripe fractures, or sulci, are visible a

Enceladus, Saturn's satellite, seen by the Cassini probe - Saturn's moon Enceladus seen by Cassini spacecraft - Mosaic of false-coloured images obtained by the Cassini probe during the flight over this satellite on 5 October 2008. The image shows a fractured region in the southern hemisphere of the satellite. On Oct. 5, 2008, just after coming within 25 kilometers (15.6 miles) of the surface of Enceladus, Nasa's Cassini captured this stunning mosaic as the spacecraft sped away from this geologically active moon of Saturn. Craters and cratered terrains are rare in this view of the southern region of the moon's Saturn - facing hemisphere. Instead, the surface is replete with fractures, folds, and ridges - - all hallmarks of remarkable tectonic activity for a relatively small world. In this enhanced - color view, regions that appear blue - green are thought to be coated with larger grains than those that appear white or gray. Portions of the tiger stripe fractures, or sulci, are visible a

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Glacier Bay, Alaska - Glacier Bay in Alaska - Glacier Bay from perspective. This image is the result of joint observations made by the Landsat-7 satellite in visible and infrared, combined with elevation radar data obtained by the Shuttle Radar Topography Mission (SRTM) in February 2000. At the bottom left of the picture, the Brady Glacier. Glacier Bay National Park and Preserve lies on the Pacific Coast of Alaska south of the St. Elias mountain range. The bay was set aside as a National Monument in 1925 and became its current National Park and Preserve in 1980, when approximately 85 percent of the park was designated a Wilderness Area. It has since been recognized as a UN Biosphere Reserve, in 1986, and a World Heritage Site, in 1992. The water in the foreground in the southwest (bottom left) corner of the image is the Gulf of Alaska, with Icy Strait running roughly west to east (horizontally) in from Cape Spencer where the strait meets the Pacific. The foreground glacier is the Brady

Glacier Bay, Alaska - Glacier Bay in Alaska - Glacier Bay from perspective. This image is the result of joint observations made by the Landsat-7 satellite in visible and infrared, combined with elevation radar data obtained by the Shuttle Radar Topography Mission (SRTM) in February 2000. At the bottom left of the picture, the Brady Glacier. Glacier Bay National Park and Preserve lies on the Pacific Coast of Alaska south of the St. Elias mountain range. The bay was set aside as a National Monument in 1925 and became its current National Park and Preserve in 1980, when approximately 85 percent of the park was designated a Wilderness Area. It has since been recognized as a UN Biosphere Reserve, in 1986, and a World Heritage Site, in 1992. The water in the foreground in the southwest (bottom left) corner of the image is the Gulf of Alaska, with Icy Strait running roughly west to east (horizontally) in from Cape Spencer where the strait meets the Pacific. The foreground glacier is the Brady

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Field of distant galaxies - Distant galaxies - Image of distant galaxies obtained by the Hubble space telescope in the furnace constellation. 7500 galaxies, some of which are more than 13 billion years old - light are visible on this image. Some closer galaxies also appear. This image covers a field equivalent to one third of a full moon. This image, taken by Nasa's Hubble Space Telescope, was made from mosaics taken in September and October 2009 with the newly installed Wide Field Camera 3 (WFC3) and in 2004 with the Advanced Camera for Surveys (ACS). The view covers a portion of the southern field of a large galaxy census called the Great Observatories Origins Deep Survey (GOODS), a deep - sky study by several observatories to trace the formation and evolution of galaxies. The final image combines a broad range of colors, from the ultraviolet, through visible light, and into the near - infrared. The image reveals galaxy shapes that appear increasingly chaotic at each earlier epoch, a

Field of distant galaxies - Distant galaxies - Image of distant galaxies obtained by the Hubble space telescope in the furnace constellation. 7500 galaxies, some of which are more than 13 billion years old - light are visible on this image. Some closer galaxies also appear. This image covers a field equivalent to one third of a full moon. This image, taken by Nasa's Hubble Space Telescope, was made from mosaics taken in September and October 2009 with the newly installed Wide Field Camera 3 (WFC3) and in 2004 with the Advanced Camera for Surveys (ACS). The view covers a portion of the southern field of a large galaxy census called the Great Observatories Origins Deep Survey (GOODS), a deep - sky study by several observatories to trace the formation and evolution of galaxies. The final image combines a broad range of colors, from the ultraviolet, through visible light, and into the near - infrared. The image reveals galaxy shapes that appear increasingly chaotic at each earlier epoch, a

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Star Formation in Galaxy M83 - Star Birth in Spiral galaxy M83 - Close-up of star-forming zones in the arms and near the nucleus (white region on the right) of the M83 galaxy. In red appear the hydrogen clouds in which the stars are born. The new stars are concentrated in blue clusters visible by hundreds on this image. The galaxy M83 (NGC 5236) is located about 15 million light years away from Earth in the constellation Hydra. This galaxy is intermediate between a classic spiral and a barree spiral. Image obtained by the Hubble space telescope with its wide field camera 3 (WFC3) in August 2009. Nicknamed the Southern Pinwheel, M83 is undergoing more rapid star formation than our own Milky Way galaxy, especially in its nucleus. The sharp “” eye”” of the Wide Field Camera 3 (WFC3) has captured hundreds of young star clusters, ancient swarms of globular star clusters, and hundreds of thousands of individual stars, mostly blue supergiants and red supergiants. The image, taken in August 20

Star Formation in Galaxy M83 - Star Birth in Spiral galaxy M83 - Close-up of star-forming zones in the arms and near the nucleus (white region on the right) of the M83 galaxy. In red appear the hydrogen clouds in which the stars are born. The new stars are concentrated in blue clusters visible by hundreds on this image. The galaxy M83 (NGC 5236) is located about 15 million light years away from Earth in the constellation Hydra. This galaxy is intermediate between a classic spiral and a barree spiral. Image obtained by the Hubble space telescope with its wide field camera 3 (WFC3) in August 2009. Nicknamed the Southern Pinwheel, M83 is undergoing more rapid star formation than our own Milky Way galaxy, especially in its nucleus. The sharp “” eye”” of the Wide Field Camera 3 (WFC3) has captured hundreds of young star clusters, ancient swarms of globular star clusters, and hundreds of thousands of individual stars, mostly blue supergiants and red supergiants. The image, taken in August 20

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Centaurus A Elliptical Galaxy (NGC 5128) in the Centaur - Galaxy Centaurus A - The NGC 5128 galaxy is about 11 million years away - light from Earth. This image from the Hubble Space Telescope (HST) shows the star flames that occur in the dark band of the galaxy. This giant galaxy is a powerful radio source known as Centaurus A. It is an active galaxy whose energy comes from a supermassive black hole. Centaurus A, also known as NGC 5128, is well known for its dramatic dusty lanes of dark material. Hubble's observations, using its most advanced instrument, the Wide Field Camera 3, are the most detailed ever made of this galaxy. They have been combined here in a multi - wavelength image that reveals never - before - seen detail in the dusty portion of the galaxy. As well as features in the visible spectrum, this composite shows ultraviolet light from young stars, and near - infrared light, which lets us glimpse some of the detail otherwise obscured by the dust. The dark dust lane that cr

Centaurus A Elliptical Galaxy (NGC 5128) in the Centaur - Galaxy Centaurus A - The NGC 5128 galaxy is about 11 million years away - light from Earth. This image from the Hubble Space Telescope (HST) shows the star flames that occur in the dark band of the galaxy. This giant galaxy is a powerful radio source known as Centaurus A. It is an active galaxy whose energy comes from a supermassive black hole. Centaurus A, also known as NGC 5128, is well known for its dramatic dusty lanes of dark material. Hubble's observations, using its most advanced instrument, the Wide Field Camera 3, are the most detailed ever made of this galaxy. They have been combined here in a multi - wavelength image that reveals never - before - seen detail in the dusty portion of the galaxy. As well as features in the visible spectrum, this composite shows ultraviolet light from young stars, and near - infrared light, which lets us glimpse some of the detail otherwise obscured by the dust. The dark dust lane that cr

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Planetary nebula M57 (NGC 6720) in Lyra - The Ring nebula M57 in Lyra - The planetary nebula of Lyra (M57) is located about 2000 years - light from Earth. A planetary nebula is a gas shell from a small late-life star whose heart collapsed to become a white dwarf and expelled the outer layers of its matter. Image obtained by the Hubble Space Telescope and the Large Binocular Telescope. In this composite image, visible - light observations by Nasa's Hubble Space Telescope are combined with infrared data from the ground - based Large Binocular Telescope in Arizona to assemble a dramatic view of the well - known Ring Nebula. Called a planetary nebula, the Ring Nebula is the glowing remains of a Sun - like star. The object is tilted towards Earth so that astronomers see the ring face - on. The Hubble observations reveal that the nebula's shape is more complicated than astronomers thought. The blue gas in the nebula's center is actually a football - shaped structure that pierces the red doug

Planetary nebula M57 (NGC 6720) in Lyra - The Ring nebula M57 in Lyra - The planetary nebula of Lyra (M57) is located about 2000 years - light from Earth. A planetary nebula is a gas shell from a small late-life star whose heart collapsed to become a white dwarf and expelled the outer layers of its matter. Image obtained by the Hubble Space Telescope and the Large Binocular Telescope. In this composite image, visible - light observations by Nasa's Hubble Space Telescope are combined with infrared data from the ground - based Large Binocular Telescope in Arizona to assemble a dramatic view of the well - known Ring Nebula. Called a planetary nebula, the Ring Nebula is the glowing remains of a Sun - like star. The object is tilted towards Earth so that astronomers see the ring face - on. The Hubble observations reveal that the nebula's shape is more complicated than astronomers thought. The blue gas in the nebula's center is actually a football - shaped structure that pierces the red doug

PIX4623411

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