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The Pleiades cluster with zodiacal light - The Pleiades cluster with zodiacal light - The zodiacal light that extends here from the bottom right of the image to the Pleiades and the Taurus, comes from the reflection of the light of the Sun on the countless interplanetary dust; it draws the plane of the Solar System. The faint cone of light extending from the horizon along the ecliptic is known as zodiacal light. It comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system. One can see it here from the bottom right of the image to beyond the Pleiades cluster in the center of the image

The Pleiades cluster with zodiacal light - The Pleiades cluster with zodiacal light - The zodiacal light that extends here from the bottom right of the image to the Pleiades and the Taurus, comes from the reflection of the light of the Sun on the countless interplanetary dust; it draws the plane of the Solar System. The faint cone of light extending from the horizon along the ecliptic is known as zodiacal light. It comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system. One can see it here from the bottom right of the image to beyond the Pleiades cluster in the center of the image

Laurent Laveder

PIX4581507

Zodiacal lights in the morning and evening - Zodiacal lights - morning and evening - The visible glow in the sky is called the zodiacal light. It comes from the reflection of the light of the Sun on the countless interplanetary dust; it draws the plane of the Solar System. At the top, on the morning of 1 November 2006, the light is tilted to the right (south); below, on 9 March 2007 at sunset, this light is tilted to the left (south). The faint cone of light extending from the horizon along the ecliptic is known as zodiacal light. It comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system. Top, November 1st 2006 in the morning, zodiacal light is leaning right (south); bottom, March 9 2007, sunset, zodiacal light towards left (south)

Zodiacal lights in the morning and evening - Zodiacal lights - morning and evening - The visible glow in the sky is called the zodiacal light. It comes from the reflection of the light of the Sun on the countless interplanetary dust; it draws the plane of the Solar System. At the top, on the morning of 1 November 2006, the light is tilted to the right (south); below, on 9 March 2007 at sunset, this light is tilted to the left (south). The faint cone of light extending from the horizon along the ecliptic is known as zodiacal light. It comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system. Top, November 1st 2006 in the morning, zodiacal light is leaning right (south); bottom, March 9 2007, sunset, zodiacal light towards left (south)

Laurent Laveder

PIX4581524

Comparison of the sizes of the Sun, Rigel, Betelgeuse and Antares - Size comparison: Sun, Rigel, Betelgeuse and Antares - The Sun (small dot on the right), and the blue supergiant star Rigel, are here compared to the supergiant red stars Betelgeuse (left), and Antares (in the background). The Sun (little dot at right) and Rigel are dwarfed by the red supergiants Betelgeuse (at left) and Antares (in background). Antares (alpha Scorpii) is the brightest star in the constellation Scorpius

Comparison of the sizes of the Sun, Rigel, Betelgeuse and Antares - Size comparison: Sun, Rigel, Betelgeuse and Antares - The Sun (small dot on the right), and the blue supergiant star Rigel, are here compared to the supergiant red stars Betelgeuse (left), and Antares (in the background). The Sun (little dot at right) and Rigel are dwarfed by the red supergiants Betelgeuse (at left) and Antares (in background). Antares (alpha Scorpii) is the brightest star in the constellation Scorpius

M. Carroll

PIX4571710

Aztec Oztoticpac, c.1540 (map)

Aztec Oztoticpac, c.1540 (map)

FIA5403366

Artist's view of a hot Jupiter HD 149026b - Exoplanet HD 149026b - Hot Jupiter - HD 149026b (in the background) is to date the hottest exoplanet in the universe. This warm Jupiter reaches a temperature of 2000 degrees; it absorbs almost all the light of its star and is therefore also the darkest planet in the universe. HD 149026b is located 256 years - light in the constellation Hercules. This artist's concept illustrates the hottest planet yet observed in the universe. This “” hot Jupiter”” called HD 149026b, is a sweltering 3,700 degrees Fahrenheit (2,040 degrees Celsius) - about 3 times hotter than the rocky surface of Venus, the hottest planet in our solar system. The planet is so hot that astronomers believe it is absorbing almost all of the heat from its star, and reflecting very little to no light. Objects that reflect no sunlight are black. Consequently, HD 149026b might be the blackest known planet in the universe, in addition to the hottest. HD 149026b is located 256 light -

Artist's view of a hot Jupiter HD 149026b - Exoplanet HD 149026b - Hot Jupiter - HD 149026b (in the background) is to date the hottest exoplanet in the universe. This warm Jupiter reaches a temperature of 2000 degrees; it absorbs almost all the light of its star and is therefore also the darkest planet in the universe. HD 149026b is located 256 years - light in the constellation Hercules. This artist's concept illustrates the hottest planet yet observed in the universe. This “” hot Jupiter”” called HD 149026b, is a sweltering 3,700 degrees Fahrenheit (2,040 degrees Celsius) - about 3 times hotter than the rocky surface of Venus, the hottest planet in our solar system. The planet is so hot that astronomers believe it is absorbing almost all of the heat from its star, and reflecting very little to no light. Objects that reflect no sunlight are black. Consequently, HD 149026b might be the blackest known planet in the universe, in addition to the hottest. HD 149026b is located 256 light -

PIX4573447

Comparison of sizes: Objects by Kuiper and Japan - Planetary-size comparison: Kuiper objects with Japan - Objects by Kuiper compares in Japan. The planetoides represented are in the background, Eris, then Charon, and Ceres, in the foreground. Some planetoids compared to Earth. The bodies above are, from back to front, Eris, Charon and Ceres

Comparison of sizes: Objects by Kuiper and Japan - Planetary-size comparison: Kuiper objects with Japan - Objects by Kuiper compares in Japan. The planetoides represented are in the background, Eris, then Charon, and Ceres, in the foreground. Some planetoids compared to Earth. The bodies above are, from back to front, Eris, Charon and Ceres

M. Carroll

PIX4629960

Brown dwarf with a large debris ring - Artist's view of a brown dwarf star surrounded by a disc of dust and rocks. In the foreground, a primitive exoplanet illuminated by the star. This imaginary high - mass brown dwarf has a larger disk than the previous renderings. The perspective is from the equator of an airless planet, orbiting the brown dwarf at a distance of about 4 million miles. This planet's orbit is very nearly aligned to the plane of the rings, hence the debris appears as a sword - like straight line

Brown dwarf with a large debris ring - Artist's view of a brown dwarf star surrounded by a disc of dust and rocks. In the foreground, a primitive exoplanet illuminated by the star. This imaginary high - mass brown dwarf has a larger disk than the previous renderings. The perspective is from the equator of an airless planet, orbiting the brown dwarf at a distance of about 4 million miles. This planet's orbit is very nearly aligned to the plane of the rings, hence the debris appears as a sword - like straight line

Walter B Myers

PIX4572539

Galaxy NGC 660 in Pisces - Galaxy NGC 660 in Pisces - The galaxy NGC 660 is located about 20 million light years ago in the constellation Pisces. It is a polar ring galaxy, a fairly rare type of galaxy that features a ring of gas and dust almost perpendicular to the main galactic plane. Image of the central part of the galaxy obtained by the Hubble Space Telescope (HST). NGC 660 is described as being a “” polar ring””” galaxy. The central region of this galaxy is considered a “” starburst”” due to the extreme amount of luminous star formation.This galaxy is estimated to be 24 million light years away. Image taken with the Hubble space telescope (HST)

Galaxy NGC 660 in Pisces - Galaxy NGC 660 in Pisces - The galaxy NGC 660 is located about 20 million light years ago in the constellation Pisces. It is a polar ring galaxy, a fairly rare type of galaxy that features a ring of gas and dust almost perpendicular to the main galactic plane. Image of the central part of the galaxy obtained by the Hubble Space Telescope (HST). NGC 660 is described as being a “” polar ring””” galaxy. The central region of this galaxy is considered a “” starburst”” due to the extreme amount of luminous star formation.This galaxy is estimated to be 24 million light years away. Image taken with the Hubble space telescope (HST)

R. Gendler

PIX4609420

Artist's view of a hot Jupiter HD 149026b - Exoplanet HD 149026b - Hot Jupiter - HD 149026b (in the background) is to date the hottest exoplanet in the universe. This warm Jupiter reaches a temperature of 2000 degrees; it absorbs almost all the light of its star and is therefore also the darkest planet in the universe. HD 149026b is located 256 years - light in the constellation Hercules. This artist's concept illustrates the hottest planet yet observed in the universe. This “” hot Jupiter”” called HD 149026b, is a sweltering 3,700 degrees Fahrenheit (2,040 degrees Celsius) - about 3 times hotter than the rocky surface of Venus, the hottest planet in our solar system. The planet is so hot that astronomers believe it is absorbing almost all of the heat from its star, and reflecting very little to no light. Objects that reflect no sunlight are black. Consequently, HD 149026b might be the blackest known planet in the universe, in addition to the hottest. HD 149026b is located 256 light -

Artist's view of a hot Jupiter HD 149026b - Exoplanet HD 149026b - Hot Jupiter - HD 149026b (in the background) is to date the hottest exoplanet in the universe. This warm Jupiter reaches a temperature of 2000 degrees; it absorbs almost all the light of its star and is therefore also the darkest planet in the universe. HD 149026b is located 256 years - light in the constellation Hercules. This artist's concept illustrates the hottest planet yet observed in the universe. This “” hot Jupiter”” called HD 149026b, is a sweltering 3,700 degrees Fahrenheit (2,040 degrees Celsius) - about 3 times hotter than the rocky surface of Venus, the hottest planet in our solar system. The planet is so hot that astronomers believe it is absorbing almost all of the heat from its star, and reflecting very little to no light. Objects that reflect no sunlight are black. Consequently, HD 149026b might be the blackest known planet in the universe, in addition to the hottest. HD 149026b is located 256 light -

PIX4573429

Sphere Armillaire du Lycee Henri IV a Paris - Armillary sphere. Henri IV school, Paris - Sphere armillaire set up in the courtyard of the Meridian of Lycee Henri IV, in Paris. It dates back to 1850. It is composed of two circular iron rings, one vertical, in the plane of the Meridian, the other, graded, in the plane of the Equator. A long metal stem crosses diametrally the Meridian circle, representing the axis of the poles. The shadow projected by the axis of the poles on the inner edge of the equatorial circle allows us to know the moment of the passage from the Sun to the local meridian (true midday). Armillary sphere of 1850 in Lycee Henri IV, Paris

Sphere Armillaire du Lycee Henri IV a Paris - Armillary sphere. Henri IV school, Paris - Sphere armillaire set up in the courtyard of the Meridian of Lycee Henri IV, in Paris. It dates back to 1850. It is composed of two circular iron rings, one vertical, in the plane of the Meridian, the other, graded, in the plane of the Equator. A long metal stem crosses diametrally the Meridian circle, representing the axis of the poles. The shadow projected by the axis of the poles on the inner edge of the equatorial circle allows us to know the moment of the passage from the Sun to the local meridian (true midday). Armillary sphere of 1850 in Lycee Henri IV, Paris

Sebastien Beaucourt

PIX4584926

Spiral Galaxy NGC 4921 - Galaxy Spiral NGC 4921 - 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. 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 from Earth and contains more than 1000 members. The brightest galaxies, including NGC 4921 shown here, were discovered back

Spiral Galaxy NGC 4921 - Galaxy Spiral NGC 4921 - 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. 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 from Earth and contains more than 1000 members. The brightest galaxies, including NGC 4921 shown here, were discovered back

PIX4612034

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

Conjunction Moon Venus - Moon Venus conjunction - Conjunction between the Moon and Venus on January 30, 2011. In the foreground, the gargoyles of the Cathedrale de Reims. Moon Venus conjunction on January 30, 2011. Foreground are gargoyles of Reims cathedral

Conjunction Moon Venus - Moon Venus conjunction - Conjunction between the Moon and Venus on January 30, 2011. In the foreground, the gargoyles of the Cathedrale de Reims. Moon Venus conjunction on January 30, 2011. Foreground are gargoyles of Reims cathedral

Sebastien Beaucourt

PIX4586896

Galaxies M105, NGC 3384 and NGC 3389 in the Lion - Galaxies M105, NGC 3384 and NGC 3389 in Leo - These galaxies belong to the group of Leo 1 galaxies. Below is the elliptical galaxy M105, type E1, located about 40 million years ago - light from Earth; above, NGC 3384, at the top NGC 3389, a galaxy in the background. M105 (bottom) is a type E1 elliptical galaxy and the brightest member of the Leo I galaxy grouping. The entire group is about 40 million light - years away. Also visble are galaxies NGC 3384 (above and right of center), which is part of the Leo I group, and NGC 3389 (top left), which is a more distant background galaxy

Galaxies M105, NGC 3384 and NGC 3389 in the Lion - Galaxies M105, NGC 3384 and NGC 3389 in Leo - These galaxies belong to the group of Leo 1 galaxies. Below is the elliptical galaxy M105, type E1, located about 40 million years ago - light from Earth; above, NGC 3384, at the top NGC 3389, a galaxy in the background. M105 (bottom) is a type E1 elliptical galaxy and the brightest member of the Leo I galaxy grouping. The entire group is about 40 million light - years away. Also visble are galaxies NGC 3384 (above and right of center), which is part of the Leo I group, and NGC 3389 (top left), which is a more distant background galaxy

Jim Misti

PIX4610701

Laser Moon dome and Laser satellite in the background - 21/01/2000: Calern Observatory (CERGA): interferometer GI2T - Calern observatory (CERGA): the GI2T/Regain interferometer

Laser Moon dome and Laser satellite in the background - 21/01/2000: Calern Observatory (CERGA): interferometer GI2T - Calern observatory (CERGA): the GI2T/Regain interferometer

C. Voulgaropoulos

PIX4652155

Circumpolar - hemisphere sud - Dawn and evening twilights reflected on the AAT dome - Photographic pose of 6 hours during a summer night, around the south Celeste pole. Siding Spring's 3.9m telescope dome in the foreground. From a truly dark site like Siding Spring, Australia, the duration of star trail exposures is governed only by the length of the night. The shortest nights are in December, at the height of summer, when it is truly dark for a little over six hours. “True darkness” for astronomers is defined as the period between “” astronomical twilights” when the sun is 18 or more degrees below the horizon. This exposure was a little over six hours long on one December night, and the AAT dome reflects both the evening twilight on the west (right) of the dome and the morning twilight from the eastern glow on the left

Circumpolar - hemisphere sud - Dawn and evening twilights reflected on the AAT dome - Photographic pose of 6 hours during a summer night, around the south Celeste pole. Siding Spring's 3.9m telescope dome in the foreground. From a truly dark site like Siding Spring, Australia, the duration of star trail exposures is governed only by the length of the night. The shortest nights are in December, at the height of summer, when it is truly dark for a little over six hours. “True darkness” for astronomers is defined as the period between “” astronomical twilights” when the sun is 18 or more degrees below the horizon. This exposure was a little over six hours long on one December night, and the AAT dome reflects both the evening twilight on the west (right) of the dome and the morning twilight from the eastern glow on the left

PIX4581086

The zodiacal light - The zodiacal light - The zodiacal light during astronomical dusk rises above the western horizon at the time of the spring equinox. It extends to the Pleiades. It comes from the reflection of the Sun's light on the countless interplanetary dust and draws the plane of the Solar System. Gers - France, 18/03/2009. The faint cone of light extending from the horizon along the ecliptic is known as zodiacal light. It comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system. One can see it here from the bottom right of the image to beyond the Pleiades cluster near the center of the image. Gers, France. March 18, 2009

The zodiacal light - The zodiacal light - The zodiacal light during astronomical dusk rises above the western horizon at the time of the spring equinox. It extends to the Pleiades. It comes from the reflection of the Sun's light on the countless interplanetary dust and draws the plane of the Solar System. Gers - France, 18/03/2009. The faint cone of light extending from the horizon along the ecliptic is known as zodiacal light. It comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system. One can see it here from the bottom right of the image to beyond the Pleiades cluster near the center of the image. Gers, France. March 18, 2009

Laurent Laveder

PIX4581529

The Galaxy of Andromede - Illustration - The Andromeda galaxy. Artwork - Artist's view of the Andromede galaxy with a globular cluster in the foreground. In the background, a companion galaxy and further, the lactee path and the clouds of Magellan. This is an acrylic painting with a few digital additions. It shows the Andromeda Galaxy, M31, the nearest large spiral system to our own Milky Way, which is comparable in size. Looking over the shoulder of the great galaxy, we see one of its small elliptical companion galaxies, then the Milky Way and the Magellanic Clouds, about two and a half million light years away. In the foreground is one of M31's many orbiting globular star clusters

The Galaxy of Andromede - Illustration - The Andromeda galaxy. Artwork - Artist's view of the Andromede galaxy with a globular cluster in the foreground. In the background, a companion galaxy and further, the lactee path and the clouds of Magellan. This is an acrylic painting with a few digital additions. It shows the Andromeda Galaxy, M31, the nearest large spiral system to our own Milky Way, which is comparable in size. Looking over the shoulder of the great galaxy, we see one of its small elliptical companion galaxies, then the Milky Way and the Magellanic Clouds, about two and a half million light years away. In the foreground is one of M31's many orbiting globular star clusters

PIX4613935

Saturn and satellites seen by the Hubble space telescope - Saturn rings edge - on with satellites - Saturn observed by the Hubble space telescope on February 24, 2009 when the Earth is in the same plane as the rings, seen by the slice. This phenomene occurs every 15 years. This sequence of images taken for just over three hours shows the movement from left to right of four satellites in front of the planet. From left to right on the top image we see the satellites Enceladus, Dione (the brightest ice satellite), Mimas and the largest satellite, Titan, orange. This sequence of images captures the parade of several of Saturn's moons transiting the face of the gas giant planet from left to right during more than three hours. This is a rare event because the rings are tilted edge on to Earth every 15 years. The top frame captures the giant moon Titan and its shadow near Saturn's northern polar hood. Tiny Mimas and its shadow have just entered the left limb of Saturn, slightly above the ring

Saturn and satellites seen by the Hubble space telescope - Saturn rings edge - on with satellites - Saturn observed by the Hubble space telescope on February 24, 2009 when the Earth is in the same plane as the rings, seen by the slice. This phenomene occurs every 15 years. This sequence of images taken for just over three hours shows the movement from left to right of four satellites in front of the planet. From left to right on the top image we see the satellites Enceladus, Dione (the brightest ice satellite), Mimas and the largest satellite, Titan, orange. This sequence of images captures the parade of several of Saturn's moons transiting the face of the gas giant planet from left to right during more than three hours. This is a rare event because the rings are tilted edge on to Earth every 15 years. The top frame captures the giant moon Titan and its shadow near Saturn's northern polar hood. Tiny Mimas and its shadow have just entered the left limb of Saturn, slightly above the ring

PIX4624891

Comparison of sizes: Objects by Kuiper and France - Planetary-size comparison: Kuiper objects with France - Des objets de Kuiper compares à la France. The planetoides represented are in the background, Eris, then Charon, and Ceres, in the foreground. Some planetoids compared to Earth. The bodies above are, from back to front, Eris, Charon and Ceres

Comparison of sizes: Objects by Kuiper and France - Planetary-size comparison: Kuiper objects with France - Des objets de Kuiper compares à la France. The planetoides represented are in the background, Eris, then Charon, and Ceres, in the foreground. Some planetoids compared to Earth. The bodies above are, from back to front, Eris, Charon and Ceres

M. Carroll

PIX4629955

Star Sky and Moonlight - Starry sky and Moonlight - Photographic pose on the star sky; in the foreground, Kamihayashi Observatory, Japan. Starry sky with Kamihayashi observatory, Japan, in foreground

Star Sky and Moonlight - Starry sky and Moonlight - Photographic pose on the star sky; in the foreground, Kamihayashi Observatory, Japan. Starry sky with Kamihayashi observatory, Japan, in foreground

S. Numazawa

PIX4581583

Elliptical Galaxy ESO 306 - 17 - Elliptical galaxy ESO 306 - 17 - The galaxy ESO 306 - 17 is an isolated elliptical galaxy located about 500 million years ago - light from Earth. In the background, many distant galaxies are visible. This image from the Advanced Camera for Surveys aboard the NASA/ESA Hubble Space Telescope highlights the large and bright elliptical galaxy called ESO 306 - 17 in the southern sky. In this image, it appears that ESO 306 - 17 is surrounded by other galaxies but the bright galaxies at bottom left are thought to be in the foreground, not at the same distance in the sky. In reality, ESO 306 - 17 lies fairly abandoned at half a billion light - years from Earth in an enormous sea of dark matter and hot gas

Elliptical Galaxy ESO 306 - 17 - Elliptical galaxy ESO 306 - 17 - The galaxy ESO 306 - 17 is an isolated elliptical galaxy located about 500 million years ago - light from Earth. In the background, many distant galaxies are visible. This image from the Advanced Camera for Surveys aboard the NASA/ESA Hubble Space Telescope highlights the large and bright elliptical galaxy called ESO 306 - 17 in the southern sky. In this image, it appears that ESO 306 - 17 is surrounded by other galaxies but the bright galaxies at bottom left are thought to be in the foreground, not at the same distance in the sky. In reality, ESO 306 - 17 lies fairly abandoned at half a billion light - years from Earth in an enormous sea of dark matter and hot gas

PIX4613733

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

PIX4612521

Circumpolar - South Hemisphere - Star trails around the south celestial pole - 10h30 photographic installation on 400 ISO film around the south celeste pole. Siding Spring's 3.9m telescope dome in the foreground. By pointing a camera towards the south (or to the north in the northern hemisphere) at night, we can record the paths of stars which never set. They appear to circle the apparent position of the Earth's axis of rotation projected on the sky. The elevation of this position above the local horizon indicates our local geographical latitude, about 30 degrees south at Siding Spring. The angle swept out by the arcs is an indication of the exposure time, which was about 10.5 hours on 400 ISO colour film. This kind of exposure is only possible from an extremely dark site

Circumpolar - South Hemisphere - Star trails around the south celestial pole - 10h30 photographic installation on 400 ISO film around the south celeste pole. Siding Spring's 3.9m telescope dome in the foreground. By pointing a camera towards the south (or to the north in the northern hemisphere) at night, we can record the paths of stars which never set. They appear to circle the apparent position of the Earth's axis of rotation projected on the sky. The elevation of this position above the local horizon indicates our local geographical latitude, about 30 degrees south at Siding Spring. The angle swept out by the arcs is an indication of the exposure time, which was about 10.5 hours on 400 ISO colour film. This kind of exposure is only possible from an extremely dark site

PIX4581074

Tenerife Observatory in the setting sun: In the foreground, the dome of the 1 m OGS telescope. Foreground is OGS telescope which was originally built by ESA for tests with laser link and for space debris observations. For the remainder of the available observing time the OGS is currently used by the IAC for astronomy observations. It is a one-meter telescope with a focal length of 13.3 m

Tenerife Observatory in the setting sun: In the foreground, the dome of the 1 m OGS telescope. Foreground is OGS telescope which was originally built by ESA for tests with laser link and for space debris observations. For the remainder of the available observing time the OGS is currently used by the IAC for astronomy observations. It is a one-meter telescope with a focal length of 13.3 m

Patrick Lécureuil

PIX4624230

Star births in the nebula NGC 6729 - Young stars in the nebula NGC 6729 - Close up on a star-forming region. The new stars are invisible, hidden behind the dust cloud at the top left of the image, but the material they eject at very high speed causes colorful and luminous arcs in contact with the surrounding gas. Image obtained in Chile with the VLT. This very detailed false - colour image from Eso's Very Large Telescope shows the dramatic effects of very young stars on the dust and gas from which they were born in the star - forming region NGC 6729. The baby stars are invisible in this picture, being hidden behind dust clouds at the upper left of the picture, but material they are ejecting is crashing into the surroundings at speeds of that can be as high as one million kilometres per hour. These shocks cause the gas to shine and create the strangely coloured glowing arcs and blobs known as Herbig - Haro objects. In this view the Herbig - Haro objects form two lines marking out the pr

Star births in the nebula NGC 6729 - Young stars in the nebula NGC 6729 - Close up on a star-forming region. The new stars are invisible, hidden behind the dust cloud at the top left of the image, but the material they eject at very high speed causes colorful and luminous arcs in contact with the surrounding gas. Image obtained in Chile with the VLT. This very detailed false - colour image from Eso's Very Large Telescope shows the dramatic effects of very young stars on the dust and gas from which they were born in the star - forming region NGC 6729. The baby stars are invisible in this picture, being hidden behind dust clouds at the upper left of the picture, but material they are ejecting is crashing into the surroundings at speeds of that can be as high as one million kilometres per hour. These shocks cause the gas to shine and create the strangely coloured glowing arcs and blobs known as Herbig - Haro objects. In this view the Herbig - Haro objects form two lines marking out the pr

PIX4620300

Constellations of Scorpio and Sagittarius - Constellations of Scorpius and Sagittarius - The Moon in the constellation Scorpio. On the left, the constellation of Sagittarius. In the foreground, shepherds from ancient Greece. Ancient greek shepherd children watching the night sky. Constellations of Scorpius and Sagittarius are drawn

Constellations of Scorpio and Sagittarius - Constellations of Scorpius and Sagittarius - The Moon in the constellation Scorpio. On the left, the constellation of Sagittarius. In the foreground, shepherds from ancient Greece. Ancient greek shepherd children watching the night sky. Constellations of Scorpius and Sagittarius are drawn

PIX4593960

Circumpolar - Cerro Paranal - Hemisphere South - Circumpolar above Cerro Paranal observatory - 10h photographic pose around the southern Celeste pole. The glows of twilight on the right and dawn on the left are visible. In the foreground, the domes of the VLT. Cerro Paranal observatory from twilight (right) to dawn (left). 10 hours exposure

Circumpolar - Cerro Paranal - Hemisphere South - Circumpolar above Cerro Paranal observatory - 10h photographic pose around the southern Celeste pole. The glows of twilight on the right and dawn on the left are visible. In the foreground, the domes of the VLT. Cerro Paranal observatory from twilight (right) to dawn (left). 10 hours exposure

Stephane Guisard

PIX4581255

Saturn and satellites seen by the Hubble space telescope - Saturn rings edge - on with satellites - Saturn observed by the Hubble space telescope on February 24, 2009 when the Earth is in the same plane as the rings, seen by the slice. This phenomene occurs every 15 years. On the top image, the largest satellite, Titan, projects its shadow on the planet and three satellites are visible on the left: Mimas and its shadow are discernable on Saturn's left blade, on the left, above the rings, Dione is clearly visible, and on the left, the Enceladus satellite. The image in the center shows the satellites Enceladus and Dione that cast their shadow on the west (left) side of Saturn, Titan in the upper right, and Mimas on the eastern edge of Saturn. In the image below, Dione and his shadow pass to the center of Saturn, above Enceladus and its shadow. Titan is on Saturn's eastern blade, Mimas is right above the rings. This sequence of images captures the parade of several of Saturn's moons trans

Saturn and satellites seen by the Hubble space telescope - Saturn rings edge - on with satellites - Saturn observed by the Hubble space telescope on February 24, 2009 when the Earth is in the same plane as the rings, seen by the slice. This phenomene occurs every 15 years. On the top image, the largest satellite, Titan, projects its shadow on the planet and three satellites are visible on the left: Mimas and its shadow are discernable on Saturn's left blade, on the left, above the rings, Dione is clearly visible, and on the left, the Enceladus satellite. The image in the center shows the satellites Enceladus and Dione that cast their shadow on the west (left) side of Saturn, Titan in the upper right, and Mimas on the eastern edge of Saturn. In the image below, Dione and his shadow pass to the center of Saturn, above Enceladus and its shadow. Titan is on Saturn's eastern blade, Mimas is right above the rings. This sequence of images captures the parade of several of Saturn's moons trans

PIX4624877

Wagnon sundial - Sundial - Wagnon sundial (Ardennes). Polar hemicylindric dial, dating from the 15th century. It is anchored in the south wall of the church of Wagnon. The particularity of this dial is that it has a half-cylinder reading table, the plane of which is oriented towards the polar star. Polar hemi - cylindrical sundial on the church of Wagnon in Ardennes, France. 15th century

Wagnon sundial - Sundial - Wagnon sundial (Ardennes). Polar hemicylindric dial, dating from the 15th century. It is anchored in the south wall of the church of Wagnon. The particularity of this dial is that it has a half-cylinder reading table, the plane of which is oriented towards the polar star. Polar hemi - cylindrical sundial on the church of Wagnon in Ardennes, France. 15th century

Sebastien Beaucourt

PIX4585396

Brown dwarf & debris ring from an oblique perspective - Artist's view of a brown dwarf star about 60 times the mass of Jupiter, surrounded by a disc of dust and rocks. In the foreground, a primitive exoplanet enlighted by the star. A small, barren planet orbits obliquely to the plane of a massive set of concentric dust rings surrounding a brown dwarf of about 60 Jupiter masses. These rings are evocative of Saturn's famous rings of rock and ice, however there is likely no ice in the rings around this dwarf. Recent observations have revealed that some brown dwarfs may be surrounded by rings of dust. While the origin of these rings, and the brown dwarfs themselves, is unclear, it's thought that material from these rings may even coalesce into planets, providing some brown dwarfs with their own solar systems

Brown dwarf & debris ring from an oblique perspective - Artist's view of a brown dwarf star about 60 times the mass of Jupiter, surrounded by a disc of dust and rocks. In the foreground, a primitive exoplanet enlighted by the star. A small, barren planet orbits obliquely to the plane of a massive set of concentric dust rings surrounding a brown dwarf of about 60 Jupiter masses. These rings are evocative of Saturn's famous rings of rock and ice, however there is likely no ice in the rings around this dwarf. Recent observations have revealed that some brown dwarfs may be surrounded by rings of dust. While the origin of these rings, and the brown dwarfs themselves, is unclear, it's thought that material from these rings may even coalesce into planets, providing some brown dwarfs with their own solar systems

Walter B Myers

PIX4572541

Cadran de l'horloge astronomique de Prague (1410) - Czech Republic, Prague, Old Town, Old Town Square, astronomical clock, close-up

Cadran de l'horloge astronomique de Prague (1410) - Czech Republic, Prague, Old Town, Old Town Square, astronomical clock, close-up

Peter Wilson

UDK5431805

Galaxy has 13 billion years - light in cluster CL1358+62 - Galaxy 13 billion light - years away - Image obtained by the Hubble space telescope of the galaxy cluster CL1358+62. This cluster reveals to us, by a gravitational mirage effect, the deformed image of a galaxy, located behind the cluster at a distance of 13 billion years - light (the red crescent at the bottom right of the image). At the top right, a close-up of this arc reveals brighter points, indicating a strong star-forming activity within this galaxy. At the bottom right, a modeling of this arc. A NASA Hubble Space Telescope image of the galaxy cluster CL1358+62 has uncovered a gravitationally - lensed image of a more distant galaxy located far beyond the cluster. The gravitationally - lensed image appears as a red crescent to the lower right of center. The galaxy's image is brightened, magnified, and smeared into an arc - shape by the gravitational influence of the intervening galaxy cluster, which acts like a gigantic le

Galaxy has 13 billion years - light in cluster CL1358+62 - Galaxy 13 billion light - years away - Image obtained by the Hubble space telescope of the galaxy cluster CL1358+62. This cluster reveals to us, by a gravitational mirage effect, the deformed image of a galaxy, located behind the cluster at a distance of 13 billion years - light (the red crescent at the bottom right of the image). At the top right, a close-up of this arc reveals brighter points, indicating a strong star-forming activity within this galaxy. At the bottom right, a modeling of this arc. A NASA Hubble Space Telescope image of the galaxy cluster CL1358+62 has uncovered a gravitationally - lensed image of a more distant galaxy located far beyond the cluster. The gravitationally - lensed image appears as a red crescent to the lower right of center. The galaxy's image is brightened, magnified, and smeared into an arc - shape by the gravitational influence of the intervening galaxy cluster, which acts like a gigantic le

PIX4565674

Zodiacal light from Pic du Midi observatory - Zodiacal light from Pic du Midi observatory - The zodiacal light comes from the reflection of the Sun's light on the countless interplanetary dust and draws the plane of the Solar System. In the foreground, the dome of the T60. February 2010. The zodiacal light comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system. Foreground is the T60 dome. February 2010

Zodiacal light from Pic du Midi observatory - Zodiacal light from Pic du Midi observatory - The zodiacal light comes from the reflection of the Sun's light on the countless interplanetary dust and draws the plane of the Solar System. In the foreground, the dome of the T60. February 2010. The zodiacal light comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system. Foreground is the T60 dome. February 2010

Patrick Lécureuil

PIX4655658

Galaxies cluster 1E 0657 - 556 - Dark matter in the galaxy cluster 1E 0657 - 556 - Composite view of the galaxy cluster 1E 0657 - 556 visible and X-rays. The hot gas that surrounds this galaxy cluster, detects in X-rays by the Chandra satellite, is visible in pink on this image. The galaxy cluster, photographed by the Magellan telescope and the Hubble space telescope, appears in the background. By studying the mass of this cluster, astronomers were able to determine that most of this mass was concentrated not in the hot gas detected by Chandra but in the blue coloured areas here, suggesting the existence of dark matter. This composite image shows the galaxy cluster 1E 0657 - 556, also known as the “” bullet cluster.”” This cluster was formed after the collision of two large clusters of galaxies, the most energetic event known in the universe since the Big Bang. Hot gas detected by Chandra telescope in X - rays is seen as two pink clumps in the image and contains most of the “” normal,”

Galaxies cluster 1E 0657 - 556 - Dark matter in the galaxy cluster 1E 0657 - 556 - Composite view of the galaxy cluster 1E 0657 - 556 visible and X-rays. The hot gas that surrounds this galaxy cluster, detects in X-rays by the Chandra satellite, is visible in pink on this image. The galaxy cluster, photographed by the Magellan telescope and the Hubble space telescope, appears in the background. By studying the mass of this cluster, astronomers were able to determine that most of this mass was concentrated not in the hot gas detected by Chandra but in the blue coloured areas here, suggesting the existence of dark matter. This composite image shows the galaxy cluster 1E 0657 - 556, also known as the “” bullet cluster.”” This cluster was formed after the collision of two large clusters of galaxies, the most energetic event known in the universe since the Big Bang. Hot gas detected by Chandra telescope in X - rays is seen as two pink clumps in the image and contains most of the “” normal,”

PIX4565684

Star cluster NGC 6791 in Lyra - Open cluster NGC 6791 in Lyra - NGC 6791 is one of the oldest and largest open clusters; it contains about 10,000 stars. Here, a detail of the cluster obtained by the Hubble space telescope. The stars present would be 8 billion years old. A galaxy in the background is also visible at the top left. NGC 6791 is one of the oldest and largest open clusters known, about 10 times larger than most open clusters and containing roughly 10,000 stars. The cluster is located 13 000 light years in the constellation Lyra. The full Hubble Advanced Camera for Surveys field is full of stars estimated to be 8 billion years old. Two background galaxies can be seen at upper left

Star cluster NGC 6791 in Lyra - Open cluster NGC 6791 in Lyra - NGC 6791 is one of the oldest and largest open clusters; it contains about 10,000 stars. Here, a detail of the cluster obtained by the Hubble space telescope. The stars present would be 8 billion years old. A galaxy in the background is also visible at the top left. NGC 6791 is one of the oldest and largest open clusters known, about 10 times larger than most open clusters and containing roughly 10,000 stars. The cluster is located 13 000 light years in the constellation Lyra. The full Hubble Advanced Camera for Surveys field is full of stars estimated to be 8 billion years old. Two background galaxies can be seen at upper left

PIX4568504

The Pleiades cluster with zodiacal light - The Pleiades cluster with zodiacal light - An observer points to the Pleiades cluster, its silhouette drawing against a background of zodiacal light. The zodiacal light comes from the reflection of the Sun's light on the countless interplanetary dust; it draws the plane of the Solar System. An observer shows the Pleiades star cluster in the sky. Behind him one can see the zodiacal light, which comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system

The Pleiades cluster with zodiacal light - The Pleiades cluster with zodiacal light - An observer points to the Pleiades cluster, its silhouette drawing against a background of zodiacal light. The zodiacal light comes from the reflection of the Sun's light on the countless interplanetary dust; it draws the plane of the Solar System. An observer shows the Pleiades star cluster in the sky. Behind him one can see the zodiacal light, which comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system

Laurent Laveder

PIX4581497

La Palma Observatory - La Palma observatory - The Roque de Los Muchachos Observatory is located at the top of the island of La Palma, in the Spanish Canary Islands. At 2400 m above sea level, this European Boreal Observatory is one of the largest astronomical centres in the world. In the foreground on the right, the 1.2m telescope Mercator Roque de Los Muchachos observatory is located at the top of La Palma island, in Canary islands. This is one of the largest astronomical centre in the world. Foreground is the 1.2 meter telescope Mercator

La Palma Observatory - La Palma observatory - The Roque de Los Muchachos Observatory is located at the top of the island of La Palma, in the Spanish Canary Islands. At 2400 m above sea level, this European Boreal Observatory is one of the largest astronomical centres in the world. In the foreground on the right, the 1.2m telescope Mercator Roque de Los Muchachos observatory is located at the top of La Palma island, in Canary islands. This is one of the largest astronomical centre in the world. Foreground is the 1.2 meter telescope Mercator

Alex Tudorica

PIX4654387

Moonrise - August 2016 - Rorbu Moonrise - Queen's Moon Sunrise, Lofoten, Norway, 17 August 2016. In the foreground, a 19th century fishing cabin (Rorbu). The full moon above a rorbu cabin in Lofoten Islands. The house is one of the oldest rorbus in Reine, built in 1880s. The belt of Venus (Earth shadow) was pretty intense. August 17, 2016

Moonrise - August 2016 - Rorbu Moonrise - Queen's Moon Sunrise, Lofoten, Norway, 17 August 2016. In the foreground, a 19th century fishing cabin (Rorbu). The full moon above a rorbu cabin in Lofoten Islands. The house is one of the oldest rorbus in Reine, built in 1880s. The belt of Venus (Earth shadow) was pretty intense. August 17, 2016

Alex Conu

PIX4578405

Galaxy NGC 1427A in the Furnace - The irregular galaxy NGC 1427A in Fornax - The galaxy NGC 1427A is located in the Furnace cluster about 62 million years ago - light from Earth. It is an irregular galaxy populated with young clusters of blue stars and many star-forming regions. Further away, other galaxies are visible in the background. The irregular galaxy NGC 1427A is a small bluish galaxy plunging headlong into the Fornax galaxy group at 600 kilometers per second or nearly 400 miles per second. NGC 1427A, which is located some 62 million light - years away from Earth in the direction of the constellation Fornax, shows numerous hot, blue stars in this image obtained by the Hubble Space Telescope. These blue stars have been formed very recently, showing that star formation is occurring extensively throughout the galaxy. NGC 1427A will not survive long as an identifiable galaxy passing through the cluster. Within the next billion years, it will be completely disrupted, spilling its st

Galaxy NGC 1427A in the Furnace - The irregular galaxy NGC 1427A in Fornax - The galaxy NGC 1427A is located in the Furnace cluster about 62 million years ago - light from Earth. It is an irregular galaxy populated with young clusters of blue stars and many star-forming regions. Further away, other galaxies are visible in the background. The irregular galaxy NGC 1427A is a small bluish galaxy plunging headlong into the Fornax galaxy group at 600 kilometers per second or nearly 400 miles per second. NGC 1427A, which is located some 62 million light - years away from Earth in the direction of the constellation Fornax, shows numerous hot, blue stars in this image obtained by the Hubble Space Telescope. These blue stars have been formed very recently, showing that star formation is occurring extensively throughout the galaxy. NGC 1427A will not survive long as an identifiable galaxy passing through the cluster. Within the next billion years, it will be completely disrupted, spilling its st

PIX4609868

Andromede Galaxy (M31) view in ultraviolet - The Andromeda galaxy seen in UV - This ultraviolet image is a mosaic of 10 images obtained by the GALEX satellite in September and October 2003. Regions of blue stars, young, warm and massive stars are clearly visible in the arms, where the stars are formed; in the center near the core, colder, orange-white, much older stars. The stars visible in the foreground belong to our Lactee Way. The GALEX observation of the large galaxy in Andromeda, Messier 31, was performed during September and October 2003. The image is a mosaic of 10 separate GALEX images combining the Far UV (colored blue) and Near UV detector (colored red) images together to make a color image of the sky almost six full moons across. The Andromeda galaxy is the most massive in the local group of galaxies, which includes our Milky Way, and is the nearest large galaxy to our own. The GALEX image shows blue regions of young, hot, high mass stars tracing out the spiral arms where s

Andromede Galaxy (M31) view in ultraviolet - The Andromeda galaxy seen in UV - This ultraviolet image is a mosaic of 10 images obtained by the GALEX satellite in September and October 2003. Regions of blue stars, young, warm and massive stars are clearly visible in the arms, where the stars are formed; in the center near the core, colder, orange-white, much older stars. The stars visible in the foreground belong to our Lactee Way. The GALEX observation of the large galaxy in Andromeda, Messier 31, was performed during September and October 2003. The image is a mosaic of 10 separate GALEX images combining the Far UV (colored blue) and Near UV detector (colored red) images together to make a color image of the sky almost six full moons across. The Andromeda galaxy is the most massive in the local group of galaxies, which includes our Milky Way, and is the nearest large galaxy to our own. The GALEX image shows blue regions of young, hot, high mass stars tracing out the spiral arms where s

PIX4608970

The zodiacal light and the Paranal observatory - Paranal observatory with zodiacal light - Star sky above the Paranal observatory. On the left, on the horizon, the constellation of Orion. Above a shooting star and the lactee. The glow in the center of the image is the zodiacal light; it comes from the reflection of the Sun's light on the countless interplanetary dust and draws the plane of the Solar System. May 2009. Starry sky above Paranal observatory. Light behind the observatory is the zodiacal light; it comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system. A faint meteor is also visible. May 2009

The zodiacal light and the Paranal observatory - Paranal observatory with zodiacal light - Star sky above the Paranal observatory. On the left, on the horizon, the constellation of Orion. Above a shooting star and the lactee. The glow in the center of the image is the zodiacal light; it comes from the reflection of the Sun's light on the countless interplanetary dust and draws the plane of the Solar System. May 2009. Starry sky above Paranal observatory. Light behind the observatory is the zodiacal light; it comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system. A faint meteor is also visible. May 2009

Stephane Guisard

PIX4657178

Nebuleuse Barnard 86 & open cluster NGC 6520 - Dark nebula Barnard 86 and open cluster NGC 6520 - NGC 6520, is a cluster of young stars aged a few million years. To its right is the dark nebula, Barnard 86, a cloud of molecular gas and dust, very cold, in which these stars have become formed. In the background, the billions of years old stars of Sagittarius. NGC 6520 is a small cluster of young blue stars. In the same region is a dark cloud, Barnard 86. The cluster and cloud are probably associated and the dust is visible only because it blocks out light from the myriads of stars beyond. On the distant background, old yellowish stars in Sagittarius are visible in vast numbers

Nebuleuse Barnard 86 & open cluster NGC 6520 - Dark nebula Barnard 86 and open cluster NGC 6520 - NGC 6520, is a cluster of young stars aged a few million years. To its right is the dark nebula, Barnard 86, a cloud of molecular gas and dust, very cold, in which these stars have become formed. In the background, the billions of years old stars of Sagittarius. NGC 6520 is a small cluster of young blue stars. In the same region is a dark cloud, Barnard 86. The cluster and cloud are probably associated and the dust is visible only because it blocks out light from the myriads of stars beyond. On the distant background, old yellowish stars in Sagittarius are visible in vast numbers

R. Gendler

PIX4621354

Total Moon Eclipse and Lactee Track, Namibia 2018

Total Moon Eclipse and Lactee Track, Namibia 2018

Sebastian Voltmer

PIX5940208

Saturn and satellites seen by the Hubble space telescope - Saturn rings edge - on with satellites - Saturn observed by the Hubble space telescope on February 24, 2009 when the Earth is in the same plane as the rings, seen by the slice. This phenomene occurs every 15 years. The largest satellite, Titan, projects its shadow on the planet and three satellites are visible on the left: Mimas and its shadow are discernable on Titan's left, just above the rings, on its left, above the rings, Dione is clearly visible, and on the left, the Enceladus satellite. Several of Saturn's moons transiting the face of the gas giant planet. This is a rare event because the rings are tilted edge on to Earth every 15 years. This frame captures the giant moon Titan and its shadow near Saturn's northern polar hood. Tiny Mimas and its shadow are below, at left, slightly above the rings. To the far left off the disk, Dione, the brightest of the icy moons in this view - and Enceladus, fainter and farther to the

Saturn and satellites seen by the Hubble space telescope - Saturn rings edge - on with satellites - Saturn observed by the Hubble space telescope on February 24, 2009 when the Earth is in the same plane as the rings, seen by the slice. This phenomene occurs every 15 years. The largest satellite, Titan, projects its shadow on the planet and three satellites are visible on the left: Mimas and its shadow are discernable on Titan's left, just above the rings, on its left, above the rings, Dione is clearly visible, and on the left, the Enceladus satellite. Several of Saturn's moons transiting the face of the gas giant planet. This is a rare event because the rings are tilted edge on to Earth every 15 years. This frame captures the giant moon Titan and its shadow near Saturn's northern polar hood. Tiny Mimas and its shadow are below, at left, slightly above the rings. To the far left off the disk, Dione, the brightest of the icy moons in this view - and Enceladus, fainter and farther to the

PIX4624886

Star sky and zodiacal light - Starry sky with zodiacal light - The zodiacal light that extends here to the Pleiades comes from the reflection of the Sun's light on the countless interplanetary dust; it draws the plane of the Solar System. Near the tree, an astrophotographer's silouette. Gers - France. The faint cone of light extending from the horizon along the ecliptic is known as zodiacal light. It comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system. One can see it here from the bottom right of the image to beyond the Pleiades cluster near the center of the image. Near the tree, an astrophotographer is watching the night sky. Gers, France

Star sky and zodiacal light - Starry sky with zodiacal light - The zodiacal light that extends here to the Pleiades comes from the reflection of the Sun's light on the countless interplanetary dust; it draws the plane of the Solar System. Near the tree, an astrophotographer's silouette. Gers - France. The faint cone of light extending from the horizon along the ecliptic is known as zodiacal light. It comes from the reflexion of the sun's light off tiny interplanetary dust particles in the plane of the solar system. One can see it here from the bottom right of the image to beyond the Pleiades cluster near the center of the image. Near the tree, an astrophotographer is watching the night sky. Gers, France

PIX4581537

Midnight Sun on Mars seen by Phoenix - Midnight Sun on Mars seen by Phoenix - Panorama obtained by Phoenix probe showing the sun's race in the sky of Mars. The foreground image was taken on the 54th day of the mission (Ground 54, July 20, 2008). The different images of the Sun were taken between 10 pm and 2 am (local time) during soils 46 to 56 (12 to 22 July 2008 on Earth). The Phoenix probe landed on May 25, 2008 in the Vastitas Borealis region in the polar circle of Mars. This panorama mosaic of images was taken by the Surface Stereo Imager on board Nasa's Phoenix Mars Lander. This mosaic documents the midnight sun during several days of the mission. The foreground and sky images were taken on Sol 54, or the 54th Martian day of the mission (July 20, 2008). The solar images were taken between 10 p.m. and 2 a.m., local solar time, during the nights of sols 46 to 56. During this period of 11 sols, the sun's path got slightly lower over the northern horizon, causing the lack of smoothne

Midnight Sun on Mars seen by Phoenix - Midnight Sun on Mars seen by Phoenix - Panorama obtained by Phoenix probe showing the sun's race in the sky of Mars. The foreground image was taken on the 54th day of the mission (Ground 54, July 20, 2008). The different images of the Sun were taken between 10 pm and 2 am (local time) during soils 46 to 56 (12 to 22 July 2008 on Earth). The Phoenix probe landed on May 25, 2008 in the Vastitas Borealis region in the polar circle of Mars. This panorama mosaic of images was taken by the Surface Stereo Imager on board Nasa's Phoenix Mars Lander. This mosaic documents the midnight sun during several days of the mission. The foreground and sky images were taken on Sol 54, or the 54th Martian day of the mission (July 20, 2008). The solar images were taken between 10 p.m. and 2 a.m., local solar time, during the nights of sols 46 to 56. During this period of 11 sols, the sun's path got slightly lower over the northern horizon, causing the lack of smoothne

PIX4616625

Sunset and Green Ray - Distorted Green Flash Sunset over Italy - Green ray obtained during a sunset with the Church of San Pietro in the foreground. Image obtained in February 2015 from Porto Venere in Italy. Green flash during a sunset. This image was taken in February 2015 from Porto Venere, Italy, with San Pietro church situated in the foreground

Sunset and Green Ray - Distorted Green Flash Sunset over Italy - Green ray obtained during a sunset with the Church of San Pietro in the foreground. Image obtained in February 2015 from Porto Venere in Italy. Green flash during a sunset. This image was taken in February 2015 from Porto Venere, Italy, with San Pietro church situated in the foreground

P. Lazzarotti

PIX4629153

Rapprochement between Venus and Jupiter - Jupiter-Venus conjunction - Venus (the brightest) and Jupiter seen on 27 November 2008. In the foreground, the 620 mm telescope of the Ferme des Etoiles (32). Venus (the brightest) with Jupiter seen on November 27, 2008. Foreground is a 620 mm telescope

Rapprochement between Venus and Jupiter - Jupiter-Venus conjunction - Venus (the brightest) and Jupiter seen on 27 November 2008. In the foreground, the 620 mm telescope of the Ferme des Etoiles (32). Venus (the brightest) with Jupiter seen on November 27, 2008. Foreground is a 620 mm telescope

Patrick Lécureuil

PIX4587373

The inner corona of the sun and pink prominences during a total solar eclipse, 1 August 2008 (photo)

The inner corona of the sun and pink prominences during a total solar eclipse, 1 August 2008 (photo)

Sue Flood

NSP408010

Group of galaxies HCG 61 in Berenice's Hair - Hickson 61 - The Box - The group of galaxies HCG 61 (Hickson 61, the box) consists of three interacting galaxies, and one forward galaxy (NGC 4173, the largest in the image) that is not physically associated. From the top and then clockwise, we find the spiral galaxy NGC 4173, the lenticular galaxy NGC 4169, and the spiral galaxies NGC 4174 and NGC 4175. Hickson 61 (HCG 61) is a group of four galaxies located in Coma Berenices. In foreground is NGC 4173 (top left, the largest spiral galaxy) which is closer than the three other galaxies and not associated to them. At right is the brightest galaxy, NGC 4169, a lenticular galaxy. Bottom right is the spiral galaxy NGC 4174 and bottom left, NGC 4175

Group of galaxies HCG 61 in Berenice's Hair - Hickson 61 - The Box - The group of galaxies HCG 61 (Hickson 61, the box) consists of three interacting galaxies, and one forward galaxy (NGC 4173, the largest in the image) that is not physically associated. From the top and then clockwise, we find the spiral galaxy NGC 4173, the lenticular galaxy NGC 4169, and the spiral galaxies NGC 4174 and NGC 4175. Hickson 61 (HCG 61) is a group of four galaxies located in Coma Berenices. In foreground is NGC 4173 (top left, the largest spiral galaxy) which is closer than the three other galaxies and not associated to them. At right is the brightest galaxy, NGC 4169, a lenticular galaxy. Bottom right is the spiral galaxy NGC 4174 and bottom left, NGC 4175

Adam Block

PIX4611136

Nebuleuse Barnard 86 & open cluster NGC 6520 - Dark nebula Barnard 86 and open cluster NGC 6520 - NGC 6520, is a cluster of young stars, aged a few million years. To its right is the dark nebula, Barnard 86, a cloud of molecular gas and dust, very cold, in which these stars have become formed. In the background, the billions of years old stars of Sagittarius. NGC 6520 is a small cluster of young blue stars. In the same region is a dark cloud, Barnard 86. The cluster and cloud are probably associated and the dust is visible only because it blocks out light from the myriads of stars beyond. On the distant background, old yellowish stars in Sagittarius are visible in vast numbers

Nebuleuse Barnard 86 & open cluster NGC 6520 - Dark nebula Barnard 86 and open cluster NGC 6520 - NGC 6520, is a cluster of young stars, aged a few million years. To its right is the dark nebula, Barnard 86, a cloud of molecular gas and dust, very cold, in which these stars have become formed. In the background, the billions of years old stars of Sagittarius. NGC 6520 is a small cluster of young blue stars. In the same region is a dark cloud, Barnard 86. The cluster and cloud are probably associated and the dust is visible only because it blocks out light from the myriads of stars beyond. On the distant background, old yellowish stars in Sagittarius are visible in vast numbers

PIX4621326

Star field in the halo of the Andromede galaxy - Deep field image in the halo of Andromeda galaxy - Deep field in the halo of the Andromede galaxy obtained by the Hubble space telescope in 2003. 300,000 stars as well as thousands of background galaxies are visible. Astronomers using Nasa's Hubble Space Telescope (HST) have reliably measured the age of the spherical halo of stars surrounding the neighboring Andromeda galaxy (M31). To their surprise, they have discovered that approximately one - third of the stars in Andromeda's halo formed only 6 to 8 billion years ago. That's a far cry from the 11 - to - 13 billion - year age of the stars in the Milky Way's halo. Why the difference in halo ages? Apparently, M31 must have gone through a major “” corporate merger”” with another large galaxy, or a series of mergers with smaller galaxies, billions of years ago. Astronomers cannot yet tell whether this was one tumultuous event or a more continual acquisition of smaller galaxies. The newly d

Star field in the halo of the Andromede galaxy - Deep field image in the halo of Andromeda galaxy - Deep field in the halo of the Andromede galaxy obtained by the Hubble space telescope in 2003. 300,000 stars as well as thousands of background galaxies are visible. Astronomers using Nasa's Hubble Space Telescope (HST) have reliably measured the age of the spherical halo of stars surrounding the neighboring Andromeda galaxy (M31). To their surprise, they have discovered that approximately one - third of the stars in Andromeda's halo formed only 6 to 8 billion years ago. That's a far cry from the 11 - to - 13 billion - year age of the stars in the Milky Way's halo. Why the difference in halo ages? Apparently, M31 must have gone through a major “” corporate merger”” with another large galaxy, or a series of mergers with smaller galaxies, billions of years ago. Astronomers cannot yet tell whether this was one tumultuous event or a more continual acquisition of smaller galaxies. The newly d

PIX4572242

Galaxy of the Wheel of the Charette in the Sculptor - The Cartwheel Galaxy - The ring galaxy of the Wheel of the Charette is about 500 million years away - light from Earth. It is surrounded by a ring of 150,000 years - light of diameter composed of young and very bright stars (detail at the top left). This particular form is the result of a collision, probably with one of the two galaxies on the right. Bottom left, close-up on the nucleus of the galaxy. Image obtained by the Hubble Space Telescope in October 1994. A rare and spectacular head - on collision between two galaxies appears in this NASA Hubble Space Telescope true - color image of the Cartwheel Galaxy, located 500 million light - years away in the constellation Sculptor. The details of star birth resolved by Hubble provide an opportunity to study how extremely massive stars are born in large fragmented gas clouds. The striking ring - like feature is a direct result of a smaller intruder galaxy - - possibly one of two object

Galaxy of the Wheel of the Charette in the Sculptor - The Cartwheel Galaxy - The ring galaxy of the Wheel of the Charette is about 500 million years away - light from Earth. It is surrounded by a ring of 150,000 years - light of diameter composed of young and very bright stars (detail at the top left). This particular form is the result of a collision, probably with one of the two galaxies on the right. Bottom left, close-up on the nucleus of the galaxy. Image obtained by the Hubble Space Telescope in October 1994. A rare and spectacular head - on collision between two galaxies appears in this NASA Hubble Space Telescope true - color image of the Cartwheel Galaxy, located 500 million light - years away in the constellation Sculptor. The details of star birth resolved by Hubble provide an opportunity to study how extremely massive stars are born in large fragmented gas clouds. The striking ring - like feature is a direct result of a smaller intruder galaxy - - possibly one of two object

PIX4613572

Wagnon sundial - Sundial - Wagnon sundial (Ardennes). Polar hemicylindric dial, dating from the 15th century. It is anchored in the south wall of the church of Wagnon. The particularity of this dial is that it has a half-cylinder reading table, the plane of which is oriented towards the polar star. Polar hemi - cylindrical sundial on the church of Wagnon in Ardennes, France. 15th century

Wagnon sundial - Sundial - Wagnon sundial (Ardennes). Polar hemicylindric dial, dating from the 15th century. It is anchored in the south wall of the church of Wagnon. The particularity of this dial is that it has a half-cylinder reading table, the plane of which is oriented towards the polar star. Polar hemi - cylindrical sundial on the church of Wagnon in Ardennes, France. 15th century

Sebastien Beaucourt

PIX4585382

Moonlight on the chapel of Tronoen - Moonlight above the chapel of Tronoen - Moonlight and star sky on the chapel of Notre-Dame - de - Tronoen. In the foreground is the Calvary of Tronoen, one of the largest and oldest in Brittany (1450-1470). The life of Christ is told there. Finistere, France, May 2009. Editing of 15 images. Moonlight and starry sky above the chapel of Notre - Dame - de - Tronoen in Brittany. Foreground is the calvary built in 15th century describing the life of Jesus Christ. Finistere, France, May 2009. Composite of 15 images

Moonlight on the chapel of Tronoen - Moonlight above the chapel of Tronoen - Moonlight and star sky on the chapel of Notre-Dame - de - Tronoen. In the foreground is the Calvary of Tronoen, one of the largest and oldest in Brittany (1450-1470). The life of Christ is told there. Finistere, France, May 2009. Editing of 15 images. Moonlight and starry sky above the chapel of Notre - Dame - de - Tronoen in Brittany. Foreground is the calvary built in 15th century describing the life of Jesus Christ. Finistere, France, May 2009. Composite of 15 images

Laurent Laveder

PIX4582056

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. Image obtained by an amateur telescope of 50 cm, composting different poses. M81 is the brightest member of the nearby galactic group called the M81 group. This group contains at least 25 other members including the peculiar starburst galaxy M82, the peculiar galaxy NGC 3077 and many dwarfs galaxies. The core galaxies of the group (M81, M82, NGC 3077, NGC 2976) are strongly interacting and are all imbedded within a large and extended molecular gas cloud. The Dwarf irregular Holmberg IX (seen above M81 in the image) most likely condensed from tidal debri existing between M81 and M82. M81 has the distinction of being the nearest spiral galaxy to have an active galactic nucleus (

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. Image obtained by an amateur telescope of 50 cm, composting different poses. M81 is the brightest member of the nearby galactic group called the M81 group. This group contains at least 25 other members including the peculiar starburst galaxy M82, the peculiar galaxy NGC 3077 and many dwarfs galaxies. The core galaxies of the group (M81, M82, NGC 3077, NGC 2976) are strongly interacting and are all imbedded within a large and extended molecular gas cloud. The Dwarf irregular Holmberg IX (seen above M81 in the image) most likely condensed from tidal debri existing between M81 and M82. M81 has the distinction of being the nearest spiral galaxy to have an active galactic nucleus (

R. Jay GaBany

PIX4610325

Artist view of the planetary system around Gliese 581 - Planetary system around the red dwarf Gliese 581 - Artist view of the planetary system around the star Gliese 581. In the foreground, the exoplanet Gliese 581st. In the background, Gliese 581d (blueberry), in the center Gliese 581c and near the star, Gliese 581b. Gliese 581e (foreground) is only about twice the mass of our Earth. The Gliese 581 planetary system now has four known planets, with masses of about 1.9 (planet e, left in the foreground), 16 (planet b, nearest to the star), 5 (planet c, centre), and 7 Earth - masses (planet d, with the bluish colour). The planet furthest out, Gliese 581d, orbits its host star in 66.8 days, while Gliese 581 e completes its orbit in 3.15 days

Artist view of the planetary system around Gliese 581 - Planetary system around the red dwarf Gliese 581 - Artist view of the planetary system around the star Gliese 581. In the foreground, the exoplanet Gliese 581st. In the background, Gliese 581d (blueberry), in the center Gliese 581c and near the star, Gliese 581b. Gliese 581e (foreground) is only about twice the mass of our Earth. The Gliese 581 planetary system now has four known planets, with masses of about 1.9 (planet e, left in the foreground), 16 (planet b, nearest to the star), 5 (planet c, centre), and 7 Earth - masses (planet d, with the bluish colour). The planet furthest out, Gliese 581d, orbits its host star in 66.8 days, while Gliese 581 e completes its orbit in 3.15 days

PIX4573711

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

PIX4610376

Circumpolar - South Hemisphere - Star trails around the south celestial pole - Photographic pose of several hours around the south celeste pole. Siding Spring's 3.9m telescope dome in the foreground. The reddish color of the sky is due to the volcanic eruption of the Pinatubo. On June 15, 1991, after weeks of rumbling and venting steam and poisonous gas, Mt Pinatubo exploded on the island of Luzon, in the Phillipines. This was the largest volcanic eruption for nearly a century. The eruption killed over 700 people and ejected several cubic kilometers of dust and gas over 35 km high into the stratosphere. The effects were felt around the world and included a temporary global cooling and a thinning of the ozone layer as well as other changes in the global weather pattern. However, the most obvious effect for many people was a milkiness in the daytime sky due to scattering by high altitude aerosols, and corresponding anomalous sunsets and twilights that were noticable for years. This pictu

Circumpolar - South Hemisphere - Star trails around the south celestial pole - Photographic pose of several hours around the south celeste pole. Siding Spring's 3.9m telescope dome in the foreground. The reddish color of the sky is due to the volcanic eruption of the Pinatubo. On June 15, 1991, after weeks of rumbling and venting steam and poisonous gas, Mt Pinatubo exploded on the island of Luzon, in the Phillipines. This was the largest volcanic eruption for nearly a century. The eruption killed over 700 people and ejected several cubic kilometers of dust and gas over 35 km high into the stratosphere. The effects were felt around the world and included a temporary global cooling and a thinning of the ozone layer as well as other changes in the global weather pattern. However, the most obvious effect for many people was a milkiness in the daytime sky due to scattering by high altitude aerosols, and corresponding anomalous sunsets and twilights that were noticable for years. This pictu

PIX4581098

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