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Fireworks Galaxy NGC6939-SN 2017EAW, 2017 (digital photo)

Fireworks Galaxy NGC6939-SN 2017EAW, 2017 (digital photo)

González, César Blanco (21st century)

MMM7339135

Spiral galaxy NGC 4651 in Berenice's Hair - Spiral galaxy NGC 4651 in Coma Berenices - The galaxy NGC 4651 (Arp 189) is located about 50 million years away - light from Earth. The Umbrella Galaxy (NGC 4651 or Arp 189) exhibits a jet like spear that's strikingly coherent and narrow. The structure was previously reported by Boris Vorontsov Velyaminov in 1959 but never interpreted as a stellar tidal stream. This deep image additionally shows a spectacular crescent shaped shell surrounding the east side of the star system that corresponds to the apocenter of the dwarf galaxy. Interestingly, a possible second arc on the western side of the galaxy can also be seen in this image. This feature is less obvious because it's partially hidden by the galaxy's disk and suggests we are observing a moderately inclined structure projected into the halo of NGC 4651. This image was produced by combining an hour of exposure through the Isaac Newton Telescope, located on the Spanish island of La Palma, wit

Spiral galaxy NGC 4651 in Berenice's Hair - Spiral galaxy NGC 4651 in Coma Berenices - The galaxy NGC 4651 (Arp 189) is located about 50 million years away - light from Earth. The Umbrella Galaxy (NGC 4651 or Arp 189) exhibits a jet like spear that's strikingly coherent and narrow. The structure was previously reported by Boris Vorontsov Velyaminov in 1959 but never interpreted as a stellar tidal stream. This deep image additionally shows a spectacular crescent shaped shell surrounding the east side of the star system that corresponds to the apocenter of the dwarf galaxy. Interestingly, a possible second arc on the western side of the galaxy can also be seen in this image. This feature is less obvious because it's partially hidden by the galaxy's disk and suggests we are observing a moderately inclined structure projected into the halo of NGC 4651. This image was produced by combining an hour of exposure through the Isaac Newton Telescope, located on the Spanish island of La Palma, wit

R. Jay GaBany

PIX4611786

Planetary nebula NGC 5189 in the Fly - NGC 5189 - Planetary nebula in Musca - This nebula is located about 3000 light years from Earth in the southern constellation of Fly. Image obtained by the Gemini telescope. NGC 5189 is a planetary nebula. At the end of its life, a star with a mass less than eight times that of the Sun will blow its outer layers away, giving rise to a planetary nebula. Some of these stellar puffballs are almost round, resembling huge soap bubbles or giant planets (hence the name), but others, such as NGC 5189 are more intricate. In particular, this planetary nebula exhibits a curious S” - shaped profile, with a central bar that is most likely the projection of an inner ring of gas discharged by the star, seen edge on. The details of the physical processes producing such a complex symmetry from a simple, spherical star are still the object of astronomical controversy. One possibility is that the star has a very close (but unseen) companion. Over time the orbits dri

Planetary nebula NGC 5189 in the Fly - NGC 5189 - Planetary nebula in Musca - This nebula is located about 3000 light years from Earth in the southern constellation of Fly. Image obtained by the Gemini telescope. NGC 5189 is a planetary nebula. At the end of its life, a star with a mass less than eight times that of the Sun will blow its outer layers away, giving rise to a planetary nebula. Some of these stellar puffballs are almost round, resembling huge soap bubbles or giant planets (hence the name), but others, such as NGC 5189 are more intricate. In particular, this planetary nebula exhibits a curious S” - shaped profile, with a central bar that is most likely the projection of an inner ring of gas discharged by the star, seen edge on. The details of the physical processes producing such a complex symmetry from a simple, spherical star are still the object of astronomical controversy. One possibility is that the star has a very close (but unseen) companion. Over time the orbits dri

PIX4623091

Planetary nebula NGC 5189 in the Fly - NGC 5189 - Planetary nebula in Musca - This nebula is located about 3000 light years from Earth in the southern constellation of Fly. Image obtained by the Hubble Space Telescope (HST). The colors used in this image correspond to the emissions of different gases: sulfur in green, hydrogen in orange and oxygen in blue. Hubble Space Telescope have photographed a festive - looking nearby planetary nebula called NGC 5189. Planetary nebulae represent the final brief stage in the life of a medium - sized star like our Sun. While consuming the last of the fuel in its core, the dying star expels a large portion of its outer envelope. This material then becomes heated by the radiation from the stellar remnant and radiates, producing glowing clouds of gas that can show complex structures, as the ejection of mass from the star is uneven in both time and direction. This image was taken with Hubble's Wide Field Camera 3 on October 8, 2012, in filters tuned to

Planetary nebula NGC 5189 in the Fly - NGC 5189 - Planetary nebula in Musca - This nebula is located about 3000 light years from Earth in the southern constellation of Fly. Image obtained by the Hubble Space Telescope (HST). The colors used in this image correspond to the emissions of different gases: sulfur in green, hydrogen in orange and oxygen in blue. Hubble Space Telescope have photographed a festive - looking nearby planetary nebula called NGC 5189. Planetary nebulae represent the final brief stage in the life of a medium - sized star like our Sun. While consuming the last of the fuel in its core, the dying star expels a large portion of its outer envelope. This material then becomes heated by the radiation from the stellar remnant and radiates, producing glowing clouds of gas that can show complex structures, as the ejection of mass from the star is uneven in both time and direction. This image was taken with Hubble's Wide Field Camera 3 on October 8, 2012, in filters tuned to

PIX4623125

Globular cluster NGC 6752 in the Peacock - Globular cluster NGC 6752 in Pavo - This cluster of stars is about 14,000 years old - light from Earth

Globular cluster NGC 6752 in the Peacock - Globular cluster NGC 6752 in Pavo - This cluster of stars is about 14,000 years old - light from Earth

PIX4565039

Globular cluster 47 Toucan - The globular cluster 47 Tucanae NGC 104 - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 15000 years ago - light it contains several million stars, some of which are among the oldest stars known today. Image obtained from the 3.9m telescope of Siding Spring, Australia. Among the many spectacular objects in the southern skies are two magnificent naked - eye globular clusters, omega Centauri and 47 Tucanae. These ancient cities of stars are captives of the Milky Way but were formed long before our Galaxy assumed its present shape, indeed these clusters have some of the oldest known stars. 47 Tuc is about 15,000 light years distant and contains several million stars, as many as some minor galaxies. The crowded central region leads to occasional stellar encounters and it is in 47 Tuc that rapidly - spinning pulsars have been discovered by radio astronomers. Although the light of globular clust

Globular cluster 47 Toucan - The globular cluster 47 Tucanae NGC 104 - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 15000 years ago - light it contains several million stars, some of which are among the oldest stars known today. Image obtained from the 3.9m telescope of Siding Spring, Australia. Among the many spectacular objects in the southern skies are two magnificent naked - eye globular clusters, omega Centauri and 47 Tucanae. These ancient cities of stars are captives of the Milky Way but were formed long before our Galaxy assumed its present shape, indeed these clusters have some of the oldest known stars. 47 Tuc is about 15,000 light years distant and contains several million stars, as many as some minor galaxies. The crowded central region leads to occasional stellar encounters and it is in 47 Tuc that rapidly - spinning pulsars have been discovered by radio astronomers. Although the light of globular clust

PIX4564306

Sirius A and Sirius B in the Big Dog - Sirius A and Sirius B in Canis Major - Sirius A and Sirius B in the Big Dog seen by the Hubble space telescope in February 2004. The brightest source in this image is Sirius A, the brightest star in the sky in visible light, here overexposed to his companion, Sirius B (lower left), a white dwarf star orbiting Sirius A in 50 years. Sirius is located 8.6 years of light from Earth. This Hubble Space Telescope image shows Sirius, the brightest star in our nighttime sky, along with its faint, tiny stellar companion, Sirius B. Astronomers overexposed the image of Sirius (at center) so that the dim Sirius B (tiny dot at lower left) could be seen. The cross - shaped diffraction spikes and concentric rings around Sirius, and the small ring around Sirius B, are artifacts produced within the telescope's imaging system. Sirius B is a white dwarf that orbits around Sirius every 50 years. Sirius, only 8.6 light - years from Earth, is the fifth closest star syst

Sirius A and Sirius B in the Big Dog - Sirius A and Sirius B in Canis Major - Sirius A and Sirius B in the Big Dog seen by the Hubble space telescope in February 2004. The brightest source in this image is Sirius A, the brightest star in the sky in visible light, here overexposed to his companion, Sirius B (lower left), a white dwarf star orbiting Sirius A in 50 years. Sirius is located 8.6 years of light from Earth. This Hubble Space Telescope image shows Sirius, the brightest star in our nighttime sky, along with its faint, tiny stellar companion, Sirius B. Astronomers overexposed the image of Sirius (at center) so that the dim Sirius B (tiny dot at lower left) could be seen. The cross - shaped diffraction spikes and concentric rings around Sirius, and the small ring around Sirius B, are artifacts produced within the telescope's imaging system. Sirius B is a white dwarf that orbits around Sirius every 50 years. Sirius, only 8.6 light - years from Earth, is the fifth closest star syst

PIX4571735

Dark Nebula in Scorpio - A dark cloud in Scorpius - Unnamed nebula in Scorpius. Bright rimmed globules and their more evolved cousin the cometary globule represent fascinating dynamic structures formed by the interplay of cold molecular clouds and hot ionizing stars. Typically the head of the globule faces a hot O - type star. Intense radiation from the star boils away lower density gas from the head. The evaporated rim of gas becomes ionized by the stars ultraviolet flux forming a bright glowing rim we associate with many of these globules including CG4. Intense stellar winds from the ionizing star evaporate gas and dust away from the head forming the “” tail”” and completing the cometary shape. The blood cells are known to be the birthplace of low mass stars. Stars form within the blood cells by the mechanism known as “” radiation driven implosion”. This process occurs when ultraviolet flux from a hot star compresses surviving clumps of cold molecular gas eventually causing collapse

Dark Nebula in Scorpio - A dark cloud in Scorpius - Unnamed nebula in Scorpius. Bright rimmed globules and their more evolved cousin the cometary globule represent fascinating dynamic structures formed by the interplay of cold molecular clouds and hot ionizing stars. Typically the head of the globule faces a hot O - type star. Intense radiation from the star boils away lower density gas from the head. The evaporated rim of gas becomes ionized by the stars ultraviolet flux forming a bright glowing rim we associate with many of these globules including CG4. Intense stellar winds from the ionizing star evaporate gas and dust away from the head forming the “” tail”” and completing the cometary shape. The blood cells are known to be the birthplace of low mass stars. Stars form within the blood cells by the mechanism known as “” radiation driven implosion”. This process occurs when ultraviolet flux from a hot star compresses surviving clumps of cold molecular gas eventually causing collapse

R. Gendler

PIX4621601

Globular cluster 47 Toucan - The globular cluster 47 Tucanae NGC 104 - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 15000 years ago - light it contains several million stars, some of which are among the oldest stars known today. Image obtained from the 3.9m telescope of Siding Spring, Australia. Among the many spectacular objects in the southern skies are two magnificent naked - eye globular clusters, omega Centauri and 47 Tucanae. These ancient cities of stars are captives of the Milky Way but were formed long before our Galaxy assumed its present shape, indeed these clusters have some of the oldest known stars. 47 Tuc is about 15,000 light years distant and contains several million stars, as many as some minor galaxies. The crowded central region leads to occasional stellar encounters and it is in 47 Tuc that rapidly - spinning pulsars have been discovered by radio astronomers. Although the light of globular clust

Globular cluster 47 Toucan - The globular cluster 47 Tucanae NGC 104 - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 15000 years ago - light it contains several million stars, some of which are among the oldest stars known today. Image obtained from the 3.9m telescope of Siding Spring, Australia. Among the many spectacular objects in the southern skies are two magnificent naked - eye globular clusters, omega Centauri and 47 Tucanae. These ancient cities of stars are captives of the Milky Way but were formed long before our Galaxy assumed its present shape, indeed these clusters have some of the oldest known stars. 47 Tuc is about 15,000 light years distant and contains several million stars, as many as some minor galaxies. The crowded central region leads to occasional stellar encounters and it is in 47 Tuc that rapidly - spinning pulsars have been discovered by radio astronomers. Although the light of globular clust

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Star V838 Monocerotis. 11/2005 - Star V838 Monocerotis seen by the Hubble space telescope. 11/2005 - This variable star is located about 20,000 years ago - light from Earth in the constellation Unicorn. Beginning in 2002, this star illuminated temporarily becoming one of the brightest stars in the sky. Viewed here in November 2005 by the Hubble space telescope, the light echo reveals details in the interstellar dust surrounding the star. Light from a star that erupted almost five years ago continues propagating outward through a cloud of dust surrounding the star. The light reflects or “” echoes”” off the dust and then travels to Earth. Because of the extra distance the scattered light travels, it reaches the Earth long after the light from the stellar outburst itself. Therefore, a light echo is an analog of a sound echo produced, for example, when sound from an Alpine yodeler echoes off of the surrounding mountainsides. The echo comes from the unusual variable star V838 Monocerotis (V

Star V838 Monocerotis. 11/2005 - Star V838 Monocerotis seen by the Hubble space telescope. 11/2005 - This variable star is located about 20,000 years ago - light from Earth in the constellation Unicorn. Beginning in 2002, this star illuminated temporarily becoming one of the brightest stars in the sky. Viewed here in November 2005 by the Hubble space telescope, the light echo reveals details in the interstellar dust surrounding the star. Light from a star that erupted almost five years ago continues propagating outward through a cloud of dust surrounding the star. The light reflects or “” echoes”” off the dust and then travels to Earth. Because of the extra distance the scattered light travels, it reaches the Earth long after the light from the stellar outburst itself. Therefore, a light echo is an analog of a sound echo produced, for example, when sound from an Alpine yodeler echoes off of the surrounding mountainsides. The echo comes from the unusual variable star V838 Monocerotis (V

PIX4572295

Star V838 Monocerotis. 09/2006 - V838 Monocerotis seen by the Hubble space telescope. 09/2006 - This variable star is located about 20,000 years ago - light from Earth in the constellation of Unicorn. Beginning in 2002, this star illuminated temporarily becoming one of the brightest stars in the sky. Viewed here in September 2006 by the Hubble space telescope, the light echo reveals details in the interstellar dust surrounding the star. Light from a star that erupted almost five years ago continues propagating outward through a cloud of dust surrounding the star. The light reflects or “” echoes”” off the dust and then travels to Earth. Because of the extra distance the scattered light travels, it reaches the Earth long after the light from the stellar outburst itself. Therefore, a light echo is an analog of a sound echo produced, for example, when sound from an Alpine yodeler echoes off of the surrounding mountainsides. The echo comes from the unusual variable star V838 Monocerotis (V8

Star V838 Monocerotis. 09/2006 - V838 Monocerotis seen by the Hubble space telescope. 09/2006 - This variable star is located about 20,000 years ago - light from Earth in the constellation of Unicorn. Beginning in 2002, this star illuminated temporarily becoming one of the brightest stars in the sky. Viewed here in September 2006 by the Hubble space telescope, the light echo reveals details in the interstellar dust surrounding the star. Light from a star that erupted almost five years ago continues propagating outward through a cloud of dust surrounding the star. The light reflects or “” echoes”” off the dust and then travels to Earth. Because of the extra distance the scattered light travels, it reaches the Earth long after the light from the stellar outburst itself. Therefore, a light echo is an analog of a sound echo produced, for example, when sound from an Alpine yodeler echoes off of the surrounding mountainsides. The echo comes from the unusual variable star V838 Monocerotis (V8

PIX4572319

Globular cluster 47 Toucan - The globular cluster 47 Tucanae, NGC 104 - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 15000 years ago - light it contains several million stars, some of which are among the oldest stars known today. Image obtained from the 3.9m telescope of Siding Spring, Australia. Among the many spectacular objects in the southern skies are two magnificent naked - eye globular clusters, omega Centauri and 47 Tucanae. These ancient cities of stars are captives of the Milky Way but were formed long before our Galaxy assumed its present shape, indeed these clusters have some of the oldest known stars. 47 Tuc is about 15,000 light years distant and contains several million stars, as many as some minor galaxies. The crowded central region leads to occasional stellar encounters and it is in 47 Tuc that rapidly - spinning pulsars have been discovered by radio astronomers. Although the light of globular clus

Globular cluster 47 Toucan - The globular cluster 47 Tucanae, NGC 104 - The globular cluster 47 Toucan (or NGC 104) is visible to the naked eye from the southern hemisphere. Located about 15000 years ago - light it contains several million stars, some of which are among the oldest stars known today. Image obtained from the 3.9m telescope of Siding Spring, Australia. Among the many spectacular objects in the southern skies are two magnificent naked - eye globular clusters, omega Centauri and 47 Tucanae. These ancient cities of stars are captives of the Milky Way but were formed long before our Galaxy assumed its present shape, indeed these clusters have some of the oldest known stars. 47 Tuc is about 15,000 light years distant and contains several million stars, as many as some minor galaxies. The crowded central region leads to occasional stellar encounters and it is in 47 Tuc that rapidly - spinning pulsars have been discovered by radio astronomers. Although the light of globular clus

PIX4564283

Nebula N70 in the Great Magellan Cloud - The N 70 nebula in Large Magellanic Cloud (LMC) - The Henize 70 nebula extends for about 400 years - light, it is located in the Great Magellan Cloud. In the center, a small group of very massive and extremely hot stars, stars of Wolf - Rayet. Image obtained by Siding Spring's 3.9m telescope. At the centre of this remarkable bubble - like nebula nebula is a small group of extremely hot stars. Some of these stars are rapdly losing mass and have stellar winds blowing from their surfaces with velocities that approach 4000 kilometers per second. Such stars are known as Wolf - Rayet stars and are found in galaxies capable of forming massive stars. There are many such stars in the Large Magellanic Cloud (LMC) but not all of them are associated with distinctive nebulae. The outward flowing streams of energetic particles from Wolf - Rayet (and other energetic stars) eventually interact with the relatively stationary interstellar medium pervading the LMC

Nebula N70 in the Great Magellan Cloud - The N 70 nebula in Large Magellanic Cloud (LMC) - The Henize 70 nebula extends for about 400 years - light, it is located in the Great Magellan Cloud. In the center, a small group of very massive and extremely hot stars, stars of Wolf - Rayet. Image obtained by Siding Spring's 3.9m telescope. At the centre of this remarkable bubble - like nebula nebula is a small group of extremely hot stars. Some of these stars are rapdly losing mass and have stellar winds blowing from their surfaces with velocities that approach 4000 kilometers per second. Such stars are known as Wolf - Rayet stars and are found in galaxies capable of forming massive stars. There are many such stars in the Large Magellanic Cloud (LMC) but not all of them are associated with distinctive nebulae. The outward flowing streams of energetic particles from Wolf - Rayet (and other energetic stars) eventually interact with the relatively stationary interstellar medium pervading the LMC

PIX4620872

Nebula of the Lagoon (M8) in Sagittarius - M8, The Lagoon Nebula - 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 giant O stars that belong to the open cluster NGC 6530 visible in the center of the image. The brightest part of the nebula is called the hourglass nebula whose gases are excited mainly by two supergiant stars Herschel 36 and 9 Sagittarii. M8 has at least 60 giant B stars, 3 to 4 times more than the Orion nebula. M8 is an amazing stellar nursery. Hot young stars that formed out of the hydrogen gas in the nebula cause it to glow in the light of ionized hydrogen at the hydrogen - alpha wavelength of 656nm. The Lagoon Nebula gets its name from the distinctive dark lane that runs through the heart of the nebula, just to the west of open cluster NGC 6530. Bok globules, small dark knots which are condensing protostella

Nebula of the Lagoon (M8) in Sagittarius - M8, The Lagoon Nebula - 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 giant O stars that belong to the open cluster NGC 6530 visible in the center of the image. The brightest part of the nebula is called the hourglass nebula whose gases are excited mainly by two supergiant stars Herschel 36 and 9 Sagittarii. M8 has at least 60 giant B stars, 3 to 4 times more than the Orion nebula. M8 is an amazing stellar nursery. Hot young stars that formed out of the hydrogen gas in the nebula cause it to glow in the light of ionized hydrogen at the hydrogen - alpha wavelength of 656nm. The Lagoon Nebula gets its name from the distinctive dark lane that runs through the heart of the nebula, just to the west of open cluster NGC 6530. Bok globules, small dark knots which are condensing protostella

Jerry Lodriguss

PIX4619667

Birth of stars in the nebula NGC 3372 - Star formation in the Carina Nebula - Detail of the Carene nebula (NGC 3372) obtained by the Hubble space telescope. The image shows a column of gas eroded by ultraviolet radiation emitted by young stars. Jets are also visible, showing the presence of emerging stars. NGC 3372 is located about 7500 light years away from Earth. The colors used in this image correspond to the emissions of different gases: sulfur in red, hydrogen in green and oxygen in blue. The NASA Hubble Space Telescope photograph captures the chaotic activity atop a three - light - year - tall pillar of gas and dust that is being eaten away by the brilliant light from nearby bright stars. The pillar is also being assaulted from within, as infant stars buried inside it fire off jets of gas that can be seen streaming from towering peaks. This turbulent cosmic pinnacle lies within a tempestuous stellar nursery called the Carina Nebula, located 7,500 light - years away in the souther

Birth of stars in the nebula NGC 3372 - Star formation in the Carina Nebula - Detail of the Carene nebula (NGC 3372) obtained by the Hubble space telescope. The image shows a column of gas eroded by ultraviolet radiation emitted by young stars. Jets are also visible, showing the presence of emerging stars. NGC 3372 is located about 7500 light years away from Earth. The colors used in this image correspond to the emissions of different gases: sulfur in red, hydrogen in green and oxygen in blue. The NASA Hubble Space Telescope photograph captures the chaotic activity atop a three - light - year - tall pillar of gas and dust that is being eaten away by the brilliant light from nearby bright stars. The pillar is also being assaulted from within, as infant stars buried inside it fire off jets of gas that can be seen streaming from towering peaks. This turbulent cosmic pinnacle lies within a tempestuous stellar nursery called the Carina Nebula, located 7,500 light - years away in the souther

PIX4619114

Nebula of the horse's head in Orion (IC 434) - The Horsehead is located in the constellation of Orion, slightly below the left - most star of the three that form the Hunter's belt. It is part of a vast molecular cloud of dust and gas that includes the Great Orion Nebula and extends throughout the entire constellation as well. It was first seen through photographs taken by E. Pickering in January 1900. The red coloration is the result of glowing hydrogen gas located primarily behind the formation. Here, we see the Horsehead as it appeared 1,500 years ago, due to distance and the time it takes light to travel. The bright complex of dust and gas below the Horsehead reflects the light given off by the bright star near it's center and is one of the brightest examples of reflection nebulae in the northern sky. The central star is surrounded with a thin shell of hydrogen that glows red by emitting it's own light in a rare example of a unique process called vibrational fluorescence. There are

Nebula of the horse's head in Orion (IC 434) - The Horsehead is located in the constellation of Orion, slightly below the left - most star of the three that form the Hunter's belt. It is part of a vast molecular cloud of dust and gas that includes the Great Orion Nebula and extends throughout the entire constellation as well. It was first seen through photographs taken by E. Pickering in January 1900. The red coloration is the result of glowing hydrogen gas located primarily behind the formation. Here, we see the Horsehead as it appeared 1,500 years ago, due to distance and the time it takes light to travel. The bright complex of dust and gas below the Horsehead reflects the light given off by the bright star near it's center and is one of the brightest examples of reflection nebulae in the northern sky. The central star is surrounded with a thin shell of hydrogen that glows red by emitting it's own light in a rare example of a unique process called vibrational fluorescence. There are

R. Jay GaBany

PIX4622024

Elephant tube nebula (VDB 142) in Cephee - The Elephant Trunk Nebula (VDB 142) in Cepheus: IC1396, VDB 142. Nebula located about 2700 light years from Earth. Image obtained with a bezel Tele Vue NP127iS, through 3 different filters that demonstrate oxygen, hydrogen, and sulfur - The Elephant Trunk Nebula (IC 1396A) in Cepheus is part of the larger IC 1396 complex which spans a large area of the sky measuring 170 by 140 arc-minutes and is one of the brightest emission nebulae with a magnitude of 3.5. The western portion of IC 1396 contains the Elephant Trunk Nebula (IC 1396A) which is characterized with H-II emissions, dark lanes and globules as well as a small reflection nebula. The IC 1396 complex is technically a star cluster (aka Cr 439, Trumpler 37) owing to the presence of a developing open but loose cluster at the heart of this rich nebulosity. This open star cluster is comprised of 50-100 member stars which vary in brightness spanning an area of approximately 50 'in diameter and

Elephant tube nebula (VDB 142) in Cephee - The Elephant Trunk Nebula (VDB 142) in Cepheus: IC1396, VDB 142. Nebula located about 2700 light years from Earth. Image obtained with a bezel Tele Vue NP127iS, through 3 different filters that demonstrate oxygen, hydrogen, and sulfur - The Elephant Trunk Nebula (IC 1396A) in Cepheus is part of the larger IC 1396 complex which spans a large area of the sky measuring 170 by 140 arc-minutes and is one of the brightest emission nebulae with a magnitude of 3.5. The western portion of IC 1396 contains the Elephant Trunk Nebula (IC 1396A) which is characterized with H-II emissions, dark lanes and globules as well as a small reflection nebula. The IC 1396 complex is technically a star cluster (aka Cr 439, Trumpler 37) owing to the presence of a developing open but loose cluster at the heart of this rich nebulosity. This open star cluster is comprised of 50-100 member stars which vary in brightness spanning an area of approximately 50 'in diameter and

W. Promper

PIX4622329

Birth of stars in the nebula NGC 3372 - Star formation in the Carina Nebula - Detail of the nebula of the Carene seen in light by the space telescope Hubble. The image shows a column of gases and dust eroded by ultraviolet radiation emitted by young stars. Jets are also visible, showing the presence of a nascent star. NGC 3372 is located about 7000 light years away from Earth. Image obtained in July 2009. Composed of gas and dust, the pictured pillar resides in a tempestuous stellar nursery called the Carina Nebula, located 7500 light - years away in the southern constellation of Carina. Taken in visible light, the image shows the tip of the three - light - year - long pillar, bathed in the glow of light from hot, massive stars off the top of the image. Scorching radiation and fast winds (streams of charged particles) from these stars are sculpting the pillar and causing new stars to form within it. Streamers of gas and dust can be seen flowing off the top of the structure. Hubble's Wi

Birth of stars in the nebula NGC 3372 - Star formation in the Carina Nebula - Detail of the nebula of the Carene seen in light by the space telescope Hubble. The image shows a column of gases and dust eroded by ultraviolet radiation emitted by young stars. Jets are also visible, showing the presence of a nascent star. NGC 3372 is located about 7000 light years away from Earth. Image obtained in July 2009. Composed of gas and dust, the pictured pillar resides in a tempestuous stellar nursery called the Carina Nebula, located 7500 light - years away in the southern constellation of Carina. Taken in visible light, the image shows the tip of the three - light - year - long pillar, bathed in the glow of light from hot, massive stars off the top of the image. Scorching radiation and fast winds (streams of charged particles) from these stars are sculpting the pillar and causing new stars to form within it. Streamers of gas and dust can be seen flowing off the top of the structure. Hubble's Wi

PIX4619089

Spiral galaxy NGC 300 in the Sculptor - Galaxy NGC 300 in Sculptor - Located about 7 million years ago - light from Earth, the spiral galaxy NGC 300 belongs to the Sculptor's group. It appears to us as a great object in the sky since its apparent diameter is almost that of the full moon. This photo was obtained by the MPG/ESO telesope of 2.2 - m in La Silla in Chile in 2000. Located some 7 million light - years away, the spiral galaxy NGC 300 is a beautiful representative of its class, a Milky - Way - like member of the prominent Sculptor group of galaxies in the southern constellation of that name. NGC 300 is a big object in the sky - being so close, it extends over an angle of almost 25 arcmin, only slightly less than the size of the full moon. It is also relative bright, even a small pair of binoculars will unveil this magnificent spiral galaxy as a hazy glowing patch on a dark sky background. The comparatively small distance of NGC 300 and its face - on orientation provide astronom

Spiral galaxy NGC 300 in the Sculptor - Galaxy NGC 300 in Sculptor - Located about 7 million years ago - light from Earth, the spiral galaxy NGC 300 belongs to the Sculptor's group. It appears to us as a great object in the sky since its apparent diameter is almost that of the full moon. This photo was obtained by the MPG/ESO telesope of 2.2 - m in La Silla in Chile in 2000. Located some 7 million light - years away, the spiral galaxy NGC 300 is a beautiful representative of its class, a Milky - Way - like member of the prominent Sculptor group of galaxies in the southern constellation of that name. NGC 300 is a big object in the sky - being so close, it extends over an angle of almost 25 arcmin, only slightly less than the size of the full moon. It is also relative bright, even a small pair of binoculars will unveil this magnificent spiral galaxy as a hazy glowing patch on a dark sky background. The comparatively small distance of NGC 300 and its face - on orientation provide astronom

PIX4609158

Nebula N70 in the Great Magellan Cloud - The N 70 nebula in Large Magellanic Cloud (LMC) - The Henize 70 nebula extends for about 400 years - light, it is located in the Great Magellan Cloud. In the center, a small group of very massive and extremely hot stars, stars of Wolf - Rayet. Image obtained by Siding Spring's 3.9m telescope. At the centre of this remarkable bubble - like nebula nebula is a small group of extremely hot stars. Some of these stars are rapdly losing mass and have stellar winds blowing from their surfaces with velocities that approach 4000 kilometers per second. Such stars are known as Wolf - Rayet stars and are found in galaxies capable of forming massive stars. There are many such stars in the Large Magellanic Cloud (LMC) but not all of them are associated with distinctive nebulae. The outward flowing streams of energetic particles from Wolf - Rayet (and other energetic stars) eventually interact with the relatively stationary interstellar medium pervading the LMC

Nebula N70 in the Great Magellan Cloud - The N 70 nebula in Large Magellanic Cloud (LMC) - The Henize 70 nebula extends for about 400 years - light, it is located in the Great Magellan Cloud. In the center, a small group of very massive and extremely hot stars, stars of Wolf - Rayet. Image obtained by Siding Spring's 3.9m telescope. At the centre of this remarkable bubble - like nebula nebula is a small group of extremely hot stars. Some of these stars are rapdly losing mass and have stellar winds blowing from their surfaces with velocities that approach 4000 kilometers per second. Such stars are known as Wolf - Rayet stars and are found in galaxies capable of forming massive stars. There are many such stars in the Large Magellanic Cloud (LMC) but not all of them are associated with distinctive nebulae. The outward flowing streams of energetic particles from Wolf - Rayet (and other energetic stars) eventually interact with the relatively stationary interstellar medium pervading the LMC

PIX4620865

Coeur de la nebula de la Lagoon dans le sagittarius/HST - This NASA Hubble Space Telescope (HST) image reveals a pair of one - half light - year long interstellar “” twisters”” in the heart of the Lagoon Nebula (Messier 8) which lies 5,000 light - years away in the direction of the constellation Sagittarius. The central hot O type star, Herschel 36 (lower right), is the primary source of the ionizing radiation for the brightest region in the nebula, called the Hourglass. Other hot stars, also present in the nebula, are ionizing the extended optical nebulosity. The ionizing radiation induces photo - evaporation of the surfaces of the clouds and drives away violent stellar winds tearing into the cool clouds. Analogous to the spectacular phenomena of Earth tornadoes, the large difference in temperature between the hot surface and cold interior of the clouds, combined with the pressure of starlight, may produce strong horizontal shear to twist the clouds into their tornado - like appearanc

Coeur de la nebula de la Lagoon dans le sagittarius/HST - This NASA Hubble Space Telescope (HST) image reveals a pair of one - half light - year long interstellar “” twisters”” in the heart of the Lagoon Nebula (Messier 8) which lies 5,000 light - years away in the direction of the constellation Sagittarius. The central hot O type star, Herschel 36 (lower right), is the primary source of the ionizing radiation for the brightest region in the nebula, called the Hourglass. Other hot stars, also present in the nebula, are ionizing the extended optical nebulosity. The ionizing radiation induces photo - evaporation of the surfaces of the clouds and drives away violent stellar winds tearing into the cool clouds. Analogous to the spectacular phenomena of Earth tornadoes, the large difference in temperature between the hot surface and cold interior of the clouds, combined with the pressure of starlight, may produce strong horizontal shear to twist the clouds into their tornado - like appearanc

PIX4619687

Galaxy M82 in the Great Bear seen in X-rays - The galaxy M82 seen in X-ray - Image obtained by Chandra in X-rays, reveals a cloud (in red) of very hot gas of several million degres emitted from the central regions of the galaxy. M82 is an irregular galaxy distant about 12 million years - light from Earth. Its nucleus, which appears to have suffered from the passage of the neighbouring galaxy M81, is in a phase of violent star activity. Its central regions are rich in star formation. These hot stars blow a stellar wind that becomes a very violent galactic wind. Chandra's X - ray image reveals gas that has been heated to millions of degrees by the violent outflow of matter blasting out of the galaxy. The eruption can be traced back to the central regions of the galaxy where stars are forming at a furious rate, some 10 times faster than in the Milky Way Galaxy. Many of these newly formed stars are very massive and race through their evolution to explode as supernovas. Vigorous mass loss f

Galaxy M82 in the Great Bear seen in X-rays - The galaxy M82 seen in X-ray - Image obtained by Chandra in X-rays, reveals a cloud (in red) of very hot gas of several million degres emitted from the central regions of the galaxy. M82 is an irregular galaxy distant about 12 million years - light from Earth. Its nucleus, which appears to have suffered from the passage of the neighbouring galaxy M81, is in a phase of violent star activity. Its central regions are rich in star formation. These hot stars blow a stellar wind that becomes a very violent galactic wind. Chandra's X - ray image reveals gas that has been heated to millions of degrees by the violent outflow of matter blasting out of the galaxy. The eruption can be traced back to the central regions of the galaxy where stars are forming at a furious rate, some 10 times faster than in the Milky Way Galaxy. Many of these newly formed stars are very massive and race through their evolution to explode as supernovas. Vigorous mass loss f

PIX4610440

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

PIX4619672

Around the Tarantula Nebula - Around the Tarantula nebula in the Large Magellanic Cloud - The Tarantula Nebula (or 30 Bream) is the largest star-forming region of the Great Magellan Cloud. It is located 170,000 light years ago in the constellation Dorado (southern hemisphere). At the center of this nebula, the open cluster of R136 stars, clusters of hot and massive stars. Image obtained with the 1.2m Schmidt UK Telescope from Siding Spring. In this picture we see the eastern end of the Large Magellanic Cloud where lies one of the most active star formation regions known. If this enormous complex of stars, gas and dust were at the distance of the better - known Orion Nebula the brightest parts of it would visible during the day and would cover a quarter of the sky at night. While the Orion Nebula contains a mere handful of the hot blue stars which energise it, the Tarantula nebula has spawned many thousands in the bright central region, which surrounds a compact, brilliant cluster known

Around the Tarantula Nebula - Around the Tarantula nebula in the Large Magellanic Cloud - The Tarantula Nebula (or 30 Bream) is the largest star-forming region of the Great Magellan Cloud. It is located 170,000 light years ago in the constellation Dorado (southern hemisphere). At the center of this nebula, the open cluster of R136 stars, clusters of hot and massive stars. Image obtained with the 1.2m Schmidt UK Telescope from Siding Spring. In this picture we see the eastern end of the Large Magellanic Cloud where lies one of the most active star formation regions known. If this enormous complex of stars, gas and dust were at the distance of the better - known Orion Nebula the brightest parts of it would visible during the day and would cover a quarter of the sky at night. While the Orion Nebula contains a mere handful of the hot blue stars which energise it, the Tarantula nebula has spawned many thousands in the bright central region, which surrounds a compact, brilliant cluster known

PIX4618257

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

Elephant tube nebula (VDB 142) in Cephee - The Elephant Trunk Nebula (VDB 142) in Cepheus - IC1396, VDB 142. Nebula located about 2700 years - light from Earth. Image obtained with a telescope 40 cm in diameter, through 3 different filters that highlight oxygen, hydrogen, and sulfur. The Elephant Trunk Nebula (IC 1396A) in Cepheus is part of the larger IC 1396 complex which spans a large area of the sky measuring 170 by 140 arc - minutes and is one of the brightest emission nebulae with a magnitude of 3.5. The western portion of IC 1396 contains the Elephant Trunk Nebula (IC 1396A) which is characterized with H - II emissions, dark lanes and globules as well as a small reflection nebula. The IC 1396 complex is technically a star cluster (aka Cr 439, Trumpler 37) owing to the presence of a developing open but loose cluster at the heart of this rich nebulosity. This open star cluster is comprised of 50 - 100 member stars which vary in brightness spanning an area of approximately 50 'in d

Elephant tube nebula (VDB 142) in Cephee - The Elephant Trunk Nebula (VDB 142) in Cepheus - IC1396, VDB 142. Nebula located about 2700 years - light from Earth. Image obtained with a telescope 40 cm in diameter, through 3 different filters that highlight oxygen, hydrogen, and sulfur. The Elephant Trunk Nebula (IC 1396A) in Cepheus is part of the larger IC 1396 complex which spans a large area of the sky measuring 170 by 140 arc - minutes and is one of the brightest emission nebulae with a magnitude of 3.5. The western portion of IC 1396 contains the Elephant Trunk Nebula (IC 1396A) which is characterized with H - II emissions, dark lanes and globules as well as a small reflection nebula. The IC 1396 complex is technically a star cluster (aka Cr 439, Trumpler 37) owing to the presence of a developing open but loose cluster at the heart of this rich nebulosity. This open star cluster is comprised of 50 - 100 member stars which vary in brightness spanning an area of approximately 50 'in d

PIX4622303

The Lagoon nebula (M8) without stars - The Lagoon nebula (M8) with stars removed - In this image, the stars were removed by computer processing. Located in Sagittarius, at a distance of 5800 years - light, M8 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 in the center 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. M8 has at least 60 Giant B stars, 3 to 4 times more than the Orion Nebula. This image was processed to remove the stars so the incredible complex of dark and light nebulosity could more easily be seen. M8 is an amazing stellar nursery. Hot young stars that formed out of the hydrogen gas in the nebula cause it to glow in the light of ionized hydrogen at the hydrogen - alpha wavelength of 656nm. The Lagoon Nebula gets its name from the d

The Lagoon nebula (M8) without stars - The Lagoon nebula (M8) with stars removed - In this image, the stars were removed by computer processing. Located in Sagittarius, at a distance of 5800 years - light, M8 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 in the center 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. M8 has at least 60 Giant B stars, 3 to 4 times more than the Orion Nebula. This image was processed to remove the stars so the incredible complex of dark and light nebulosity could more easily be seen. M8 is an amazing stellar nursery. Hot young stars that formed out of the hydrogen gas in the nebula cause it to glow in the light of ionized hydrogen at the hydrogen - alpha wavelength of 656nm. The Lagoon Nebula gets its name from the d

Jerry Lodriguss

PIX4619678

Open cluster Westerlund 1 in the Altar - Open cluster Westerlund 1 in Ara - The open cluster Westerlund 1 is located about 16,000 years - light in the southern constellation of the Altar. It contains hundreds of very young massive stars as well as the supergiant red star W26. Image obtained by the VST telescope in Chile. This exceptionally bright cluster lies about 16 000 light - years from Earth in the southern constellation of Ara (The Altar). It contains hundreds of very massive and brilliant stars, all of which are just a few million years old - - babies by stellar standards. But our view of this cluster is hampered by gas and dust that prevents most of the visible light from the cluster's stars from getting to Earth. Around one of the stars - - known as W26, a red supergiant and possibly the biggest star known - - astronomers have discovered clouds of glowing hydrogen gas, shown as green features in this new image. Such glowing clouds around massive stars are very rare, and are ev

Open cluster Westerlund 1 in the Altar - Open cluster Westerlund 1 in Ara - The open cluster Westerlund 1 is located about 16,000 years - light in the southern constellation of the Altar. It contains hundreds of very young massive stars as well as the supergiant red star W26. Image obtained by the VST telescope in Chile. This exceptionally bright cluster lies about 16 000 light - years from Earth in the southern constellation of Ara (The Altar). It contains hundreds of very massive and brilliant stars, all of which are just a few million years old - - babies by stellar standards. But our view of this cluster is hampered by gas and dust that prevents most of the visible light from the cluster's stars from getting to Earth. Around one of the stars - - known as W26, a red supergiant and possibly the biggest star known - - astronomers have discovered clouds of glowing hydrogen gas, shown as green features in this new image. Such glowing clouds around massive stars are very rare, and are ev

PIX4569073

GAIA satellite - Illustration - View of the European satellite GAIA against a milky lane background. The objective of the Gaia mission is to carry out the largest possible census of the stars of our Galaxy and to create a 3D map of a very precise 3D map. The satellite will determine the position, color and proper movement of a billion stars. Gaia was launched since Kourou on December 19, 2013. Artist's print of Gaia. Gaia is an ambitious mission to chart a three - dimensional map of our Galaxy, the Milky Way, in the process revealing the composition, formation and evolution of the Galaxy. Gaia will provide unprecedented positional and radial velocity measurements with the accuracies needed to produce a stereoscopic and kinematic census of about one billion stars in our Galaxy and throughout the Local Group. This amounts to about 1 per cent of the Galactic stellar population. Combined with astrophysical information for each star, provided by on - board multi - colour photometry, these d

GAIA satellite - Illustration - View of the European satellite GAIA against a milky lane background. The objective of the Gaia mission is to carry out the largest possible census of the stars of our Galaxy and to create a 3D map of a very precise 3D map. The satellite will determine the position, color and proper movement of a billion stars. Gaia was launched since Kourou on December 19, 2013. Artist's print of Gaia. Gaia is an ambitious mission to chart a three - dimensional map of our Galaxy, the Milky Way, in the process revealing the composition, formation and evolution of the Galaxy. Gaia will provide unprecedented positional and radial velocity measurements with the accuracies needed to produce a stereoscopic and kinematic census of about one billion stars in our Galaxy and throughout the Local Group. This amounts to about 1 per cent of the Galactic stellar population. Combined with astrophysical information for each star, provided by on - board multi - colour photometry, these d

D. Ducros

PIX4645992

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

PIX4619615

Nebula NGC 6164 - 5 in the Rule - The emission nebula NGC 6164 - 65 - This nebula is located about 4000 years - light from Earth. It is a bipolar nebula around a very hot star at the end of life, the star HD 148937. NGC 6164 - 65 is a bipolar nebula surrounding the peculiar O 7f star HD 148937. Although the nebula was believed initially to represent a planetary nebula, it is now understood to represent a shell - like ejected nebula, formed by the winds of its young central star. Wind blown nebulae are usually considered the outcome of Wolf - Rayet type stars (WR), evolved O - type stars that have left the main sequence, molding their surroundings by way of fierce stellar winds. In the case of the S - shaped bipolar nebula NGC 6164 - 65, the central star is not a WR star, but a young O - type supergiant of 40 solar masses. Relatively few examples of such objects are known to exist, making NGC 6164 - 5 particularly unique. The true age of the star is not known although estimates of its a

Nebula NGC 6164 - 5 in the Rule - The emission nebula NGC 6164 - 65 - This nebula is located about 4000 years - light from Earth. It is a bipolar nebula around a very hot star at the end of life, the star HD 148937. NGC 6164 - 65 is a bipolar nebula surrounding the peculiar O 7f star HD 148937. Although the nebula was believed initially to represent a planetary nebula, it is now understood to represent a shell - like ejected nebula, formed by the winds of its young central star. Wind blown nebulae are usually considered the outcome of Wolf - Rayet type stars (WR), evolved O - type stars that have left the main sequence, molding their surroundings by way of fierce stellar winds. In the case of the S - shaped bipolar nebula NGC 6164 - 65, the central star is not a WR star, but a young O - type supergiant of 40 solar masses. Relatively few examples of such objects are known to exist, making NGC 6164 - 5 particularly unique. The true age of the star is not known although estimates of its a

PIX4619228

Supernova 1987A in the Great Magellan Cloud View by HST - This Hubble Space Telescope picture shows Supernova 1987A and its neighborhood. The series of four panels shows the evolution of the SN 1987A debris from February 1994 to February 1996. Material from the stellar interior was ejected into space during the supernova explosion in February 1987. The explosion debris is expanding at nearly 6 million miles per hour. Ten years now after the explosion, this cosmic fireball is large enough - - - about one - sixth of a light - year in diameter - - - to be resolved from the Earth's orbit with the Hubble Space Telescope. The debris is resolved into two opposing blobs and is dim in the center. The apparent direction of ejection is the same as the short axis of the bright inner ring that surrounds the supernova. This suggests that the explosion is directed out of the plane of the ring. The ring is probably composed of materials lost by the pre - supernova star in the last stages of its evolut

Supernova 1987A in the Great Magellan Cloud View by HST - This Hubble Space Telescope picture shows Supernova 1987A and its neighborhood. The series of four panels shows the evolution of the SN 1987A debris from February 1994 to February 1996. Material from the stellar interior was ejected into space during the supernova explosion in February 1987. The explosion debris is expanding at nearly 6 million miles per hour. Ten years now after the explosion, this cosmic fireball is large enough - - - about one - sixth of a light - year in diameter - - - to be resolved from the Earth's orbit with the Hubble Space Telescope. The debris is resolved into two opposing blobs and is dim in the center. The apparent direction of ejection is the same as the short axis of the bright inner ring that surrounds the supernova. This suggests that the explosion is directed out of the plane of the ring. The ring is probably composed of materials lost by the pre - supernova star in the last stages of its evolut

PIX4582338

Remains of the Supernova of Vails - The Vela supernova remnant: Nearly 12,000 years ago, a massive star exploded in the constellation of Vails. The star reaches the end of life and expels its material to become a small star only a few kilometres in diameter. This stellar corpse is a neutron star, the pulsar of Voiles, barely visible in the image. The gas shell that surrounds it today extends over more than 100 light years. Mosaic of 117 images - Approximately 11,000 to 12,000 years ago a massive star exploded in the southern constellation of Vela. The matter ejected by the supernova scattered the contents of the star into the surrounding interstellar medium creating shock fronts of multimillion degree gas and high energy particles. The heated matter produces brilliant visible light as well as radio and x-ray emission which will continue for thousands of years until the entire remnant of the dying star completely dissipates into space. Supernovas enrich the surrounding interstellar medi

Remains of the Supernova of Vails - The Vela supernova remnant: Nearly 12,000 years ago, a massive star exploded in the constellation of Vails. The star reaches the end of life and expels its material to become a small star only a few kilometres in diameter. This stellar corpse is a neutron star, the pulsar of Voiles, barely visible in the image. The gas shell that surrounds it today extends over more than 100 light years. Mosaic of 117 images - Approximately 11,000 to 12,000 years ago a massive star exploded in the southern constellation of Vela. The matter ejected by the supernova scattered the contents of the star into the surrounding interstellar medium creating shock fronts of multimillion degree gas and high energy particles. The heated matter produces brilliant visible light as well as radio and x-ray emission which will continue for thousands of years until the entire remnant of the dying star completely dissipates into space. Supernovas enrich the surrounding interstellar medi

R. Gendler

PIX4626466

Nebula NGC 6164-5 in the Rule - The emission nebula NGC 6164-65: This nebula is located about 4000 light years from Earth. It is a bipolar nebula around a very hot star at the end of life, the star HD 148937 - NGC 6164-65 is a bipolar nebula surrounding the peculiar O 7f star HD 148937. Although the nebula was believed initially to represent a planetary nebula, it is now understood to represent a shell-like ejected nebula, formed by the winds of its young central star. Wind blown nebulae are usually considered the outcome of Wolf-Rayet type stars (WR), evolved O-type stars that have left the main sequence, molding their surroundings by way of fierce stellar winds. In the case of the S-shaped bipolar nebula NGC 6164-65, the central star is not a WR star, but a young O-type supergiant of 40 solar masses. Relatively few examples of such objects are known to exist, making NGC 6164-65 particularly unique. The true age of the star is not known although estimates of its age vary from a pre-ma

Nebula NGC 6164-5 in the Rule - The emission nebula NGC 6164-65: This nebula is located about 4000 light years from Earth. It is a bipolar nebula around a very hot star at the end of life, the star HD 148937 - NGC 6164-65 is a bipolar nebula surrounding the peculiar O 7f star HD 148937. Although the nebula was believed initially to represent a planetary nebula, it is now understood to represent a shell-like ejected nebula, formed by the winds of its young central star. Wind blown nebulae are usually considered the outcome of Wolf-Rayet type stars (WR), evolved O-type stars that have left the main sequence, molding their surroundings by way of fierce stellar winds. In the case of the S-shaped bipolar nebula NGC 6164-65, the central star is not a WR star, but a young O-type supergiant of 40 solar masses. Relatively few examples of such objects are known to exist, making NGC 6164-65 particularly unique. The true age of the star is not known although estimates of its age vary from a pre-ma

PIX4619260

Supernova Remnants SNR B0509 - 67.5 - Supernova Remnant SNR B0509 - 67.5 - SNR B0509 - 67.5 (or SNR 0509) is the rest of a star explosion in the galaxy of the Great Magellan Cloud. This 23-year bubble - light of diameter extends at a speed of 18 million km/h. Composite of images obtained by the Hubble Space Telescope (HST) in 2006 and 2010. This delicate shell, photographed by the NASA/ESA Hubble Space Telescope, appears to float serenely in the depths of space, but this apparent calm hides an inner turmoil. The gaseous envelope formed as the expanding blast wave and ejected material from a supernova tore through the nearby interstellar medium. Called SNR B0509 - 67.5 (or SNR 0509 for short), the bubble is the visible remnant of a powerful stellar explosion in the Large Magellanic Cloud (LMC), a small galaxy about 160,000 light - years from Earth. Ripples in the shell's surface may be caused either by subtle variations in the density of the ambient interstellar gas, or possibly be driv

Supernova Remnants SNR B0509 - 67.5 - Supernova Remnant SNR B0509 - 67.5 - SNR B0509 - 67.5 (or SNR 0509) is the rest of a star explosion in the galaxy of the Great Magellan Cloud. This 23-year bubble - light of diameter extends at a speed of 18 million km/h. Composite of images obtained by the Hubble Space Telescope (HST) in 2006 and 2010. This delicate shell, photographed by the NASA/ESA Hubble Space Telescope, appears to float serenely in the depths of space, but this apparent calm hides an inner turmoil. The gaseous envelope formed as the expanding blast wave and ejected material from a supernova tore through the nearby interstellar medium. Called SNR B0509 - 67.5 (or SNR 0509 for short), the bubble is the visible remnant of a powerful stellar explosion in the Large Magellanic Cloud (LMC), a small galaxy about 160,000 light - years from Earth. Ripples in the shell's surface may be caused either by subtle variations in the density of the ambient interstellar gas, or possibly be driv

PIX4583175

Nebula IC 1396 in Cephee infrared view - 18/12/2003 The large composite image on the left is a product of combining data from the observator's multiband imaging photometer and the infrared array camera. The thermal emission at 24 microns measured by the photometer (red) is combined with near - infrared emission from the camera at 3.6/4.5 microns (blue) and from 5.8/8.0 microns (green). The colors of the diffuse emission and filaments vary, and are a combination of molecular hydrogen (which tends to be green) and polycyclic aromatic hydrocarbon (brown) emissions. Nasa's Spitzer Space Telescope image of a glowing stellar nursery provides a spectacular contrast to the opaque cloud seen in visible light. The Elephant's Trunk Nebula is an elongated dark globule within the emission nebula IC 1396 in the constellation of Cepheus. Located at a distance of 2,450 light - years, the globule is a condensation of dense gas that is barely surviving the strong ionizing radiation from a nearby massive

Nebula IC 1396 in Cephee infrared view - 18/12/2003 The large composite image on the left is a product of combining data from the observator's multiband imaging photometer and the infrared array camera. The thermal emission at 24 microns measured by the photometer (red) is combined with near - infrared emission from the camera at 3.6/4.5 microns (blue) and from 5.8/8.0 microns (green). The colors of the diffuse emission and filaments vary, and are a combination of molecular hydrogen (which tends to be green) and polycyclic aromatic hydrocarbon (brown) emissions. Nasa's Spitzer Space Telescope image of a glowing stellar nursery provides a spectacular contrast to the opaque cloud seen in visible light. The Elephant's Trunk Nebula is an elongated dark globule within the emission nebula IC 1396 in the constellation of Cepheus. Located at a distance of 2,450 light - years, the globule is a condensation of dense gas that is barely surviving the strong ionizing radiation from a nearby massive

PIX4622272

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

PIX4609197

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

PIX4613741

Active Galaxy NGC 1068 in the Whale - Active galaxy NGC 1068 - This composite image shows that a strong stellar wind escapes from the heart of the galaxy NGC 1068 or resides a massive black hole. NGC 1068 is located about 50 million light years away from Earth. Images obtained in X-ray by the Chandra satellite (red), visible by the Hubble space telescope (green) and radio waves (blue). This is a composite image of NGC 1068, one of the nearest and brightest galaxies containing a rapidly growing supermassive black hole. X - ray data from the Chandra X - ray Observatory are shown in red, optical data from the Hubble Space Telescope in green and radio data from the Very Large Array in blue. The spiral structure of NGC 1068 is shown by the X - ray and optical data, and a jet powered by the central supermassive black hole is shown by the radio data. The X - ray images and spectra obtained using Chandra's High Energy Transmission Grating Spectrometer show that a strong wind is being driven aw

Active Galaxy NGC 1068 in the Whale - Active galaxy NGC 1068 - This composite image shows that a strong stellar wind escapes from the heart of the galaxy NGC 1068 or resides a massive black hole. NGC 1068 is located about 50 million light years away from Earth. Images obtained in X-ray by the Chandra satellite (red), visible by the Hubble space telescope (green) and radio waves (blue). This is a composite image of NGC 1068, one of the nearest and brightest galaxies containing a rapidly growing supermassive black hole. X - ray data from the Chandra X - ray Observatory are shown in red, optical data from the Hubble Space Telescope in green and radio data from the Very Large Array in blue. The spiral structure of NGC 1068 is shown by the X - ray and optical data, and a jet powered by the central supermassive black hole is shown by the radio data. The X - ray images and spectra obtained using Chandra's High Energy Transmission Grating Spectrometer show that a strong wind is being driven aw

PIX4609662

The Omega nebula (M17) seen in infrared - M17 nebula in infrared - The Omega nebula (M17) seen in infrared by the Spitzer space telescope. M17 is a star-forming region about 6000 light years ago in the constellation Sagittarius. In the center of the nebula is a group of massive stars. The dust appears in red, the hot gas in green, the regions or this gas and the dust mixes in white. Nasa's Spitzer Space Telescope has captured an infrared view of the star - making cloud called M17, or the Swan nebula. The cloud, located about 6,000 light - years away in the constellation Sagittarius, is dominated by a central group of massive stars - - the most massive stars in the region. These central stars give off intense flows of expanding gas, which rush like rivers against dense piles of material, carving out the deep pocket at center of the picture. Winds from the region's other massive stars push back against these oncoming rivers, creating bow shocks like those that pile up in front of speedin

The Omega nebula (M17) seen in infrared - M17 nebula in infrared - The Omega nebula (M17) seen in infrared by the Spitzer space telescope. M17 is a star-forming region about 6000 light years ago in the constellation Sagittarius. In the center of the nebula is a group of massive stars. The dust appears in red, the hot gas in green, the regions or this gas and the dust mixes in white. Nasa's Spitzer Space Telescope has captured an infrared view of the star - making cloud called M17, or the Swan nebula. The cloud, located about 6,000 light - years away in the constellation Sagittarius, is dominated by a central group of massive stars - - the most massive stars in the region. These central stars give off intense flows of expanding gas, which rush like rivers against dense piles of material, carving out the deep pocket at center of the picture. Winds from the region's other massive stars push back against these oncoming rivers, creating bow shocks like those that pile up in front of speedin

PIX4620190

Remnants of Supernova Tycho in X in Cassiopee - Tycho's Supernova Remnant: Chandra's View of Tycho's Supernova Remnant This Chandra image reveals fascinating details of the turbulent debris created by a supernova explosion that was observed by the Danish astronomer Tycho Brahe in the year 1572. The colors show different X - ray energies, with red, green, and blue representing low, medium and high energies, respectively. The image is cut off at the bottom because the southernmost region of the remnant fell outside the field of view of the detector. A shock wave produced by the expanding debris is outlined by the strikingly sharp blue circular arcs of twenty million degree Celsius gas seen on the outer rim. The stellar debris, which has a temperature of about ten million degrees and is visible only in X - rays, shows up as mottled yellow, green and red fingers of gas. Tycho's supernova remnant presents several interesting contrasts with the Cassiopeia A (Cas A) supernova remnant. The deb

Remnants of Supernova Tycho in X in Cassiopee - Tycho's Supernova Remnant: Chandra's View of Tycho's Supernova Remnant This Chandra image reveals fascinating details of the turbulent debris created by a supernova explosion that was observed by the Danish astronomer Tycho Brahe in the year 1572. The colors show different X - ray energies, with red, green, and blue representing low, medium and high energies, respectively. The image is cut off at the bottom because the southernmost region of the remnant fell outside the field of view of the detector. A shock wave produced by the expanding debris is outlined by the strikingly sharp blue circular arcs of twenty million degree Celsius gas seen on the outer rim. The stellar debris, which has a temperature of about ten million degrees and is visible only in X - rays, shows up as mottled yellow, green and red fingers of gas. Tycho's supernova remnant presents several interesting contrasts with the Cassiopeia A (Cas A) supernova remnant. The deb

PIX4582513

Supernova Remnants SNR B0509 - 67.5 - Supernova Remnant SNR B0509 - 67.5 - SNR B0509 - 67.5 (or SNR 0509) is the rest of a star explosion in the galaxy of the Great Magellan Cloud. This 23-year bubble - light of diameter extends at a speed of 18 million km/h. A composite of visible images and X-rays obtained by the Hubble Space Telescope (HST) in 2006 and 2010 and by the Chandra satellite. This delicate shell, photographed by the NASA/ESA Hubble Space Telescope, appears to float serenely in the depths of space, but this apparent calm hides an inner turmoil. The gaseous envelope formed as the expanding blast wave and ejected material from a supernova tore through the nearby interstellar medium. Called SNR B0509 - 67.5 (or SNR 0509 for short), the bubble is the visible remnant of a powerful stellar explosion in the Large Magellanic Cloud (LMC), a small galaxy about 160,000 light - years from Earth. Ripples in the shell's surface may be caused either by subtle variations in the density of

Supernova Remnants SNR B0509 - 67.5 - Supernova Remnant SNR B0509 - 67.5 - SNR B0509 - 67.5 (or SNR 0509) is the rest of a star explosion in the galaxy of the Great Magellan Cloud. This 23-year bubble - light of diameter extends at a speed of 18 million km/h. A composite of visible images and X-rays obtained by the Hubble Space Telescope (HST) in 2006 and 2010 and by the Chandra satellite. This delicate shell, photographed by the NASA/ESA Hubble Space Telescope, appears to float serenely in the depths of space, but this apparent calm hides an inner turmoil. The gaseous envelope formed as the expanding blast wave and ejected material from a supernova tore through the nearby interstellar medium. Called SNR B0509 - 67.5 (or SNR 0509 for short), the bubble is the visible remnant of a powerful stellar explosion in the Large Magellanic Cloud (LMC), a small galaxy about 160,000 light - years from Earth. Ripples in the shell's surface may be caused either by subtle variations in the density of

PIX4583187

Detail of the Tarantula Nebula (NGC 2070) in the Dorado - Central region of the Tarantula Nebula - The Tarantula Nebula (or 30 Dorado) is the largest star-forming region of the Magellan Cloud. It is located 170,000 light years ago in the constellation Dorado (southern hemisphere). At the center of this nebula, the open cluster of R136 stars, clusters of young, hot and massive stars, aged just 5 million years. Mosaic of 15 images obtained by the Hubble Space Telescope. The Tarantula is situated 170,000 light - years away in the Large Magellanic Cloud (LMC) in the Southern sky and is clearly visible to the naked eye as a large milky patch. Astronomers believe that this smallish irregular galaxy is currently going through a violent period in its life. It is orbiting around the Milky Way and has had several close encounters with it. It is believed that the interaction with the Milky Way has caused an episode of energetic star formation - part of which is visible as the Tarantula Nebula. Ju

Detail of the Tarantula Nebula (NGC 2070) in the Dorado - Central region of the Tarantula Nebula - The Tarantula Nebula (or 30 Dorado) is the largest star-forming region of the Magellan Cloud. It is located 170,000 light years ago in the constellation Dorado (southern hemisphere). At the center of this nebula, the open cluster of R136 stars, clusters of young, hot and massive stars, aged just 5 million years. Mosaic of 15 images obtained by the Hubble Space Telescope. The Tarantula is situated 170,000 light - years away in the Large Magellanic Cloud (LMC) in the Southern sky and is clearly visible to the naked eye as a large milky patch. Astronomers believe that this smallish irregular galaxy is currently going through a violent period in its life. It is orbiting around the Milky Way and has had several close encounters with it. It is believed that the interaction with the Milky Way has caused an episode of energetic star formation - part of which is visible as the Tarantula Nebula. Ju

PIX4618229

Persee Galaxy Cluster - Perseus galaxy cluster - The Persee galaxy cluster (Abell 426) contains at least 500 galaxies including the large elliptical galaxy NGC 1275. This galaxy (the galaxy with pink filaments to the left of the image) is located about 235 million years ago - light; it is a very strong source of radio wave transmission known as Perseus A. In the right center of the image, note the presence of a supernova, SN 2008fg, in a small blue spiral galaxy, NGC 1268. Perseus galaxy cluster (Abell 426) is a cluster of about 500 galaxies. The biggest (left) is NGC 1275, located 235 million light years away; it is a strong radio source known as Perseus A. The gravity exerted by the luminous parts of a galaxy cluster is insufficient to hold the cluster together. Thus, scientists have concluded the missing adhesive must be dark matter and since it's invisible to modern instruments - it can only be inferred. So, when one views the image of the Perseus Galaxy Cluster, ones sees only a s

Persee Galaxy Cluster - Perseus galaxy cluster - The Persee galaxy cluster (Abell 426) contains at least 500 galaxies including the large elliptical galaxy NGC 1275. This galaxy (the galaxy with pink filaments to the left of the image) is located about 235 million years ago - light; it is a very strong source of radio wave transmission known as Perseus A. In the right center of the image, note the presence of a supernova, SN 2008fg, in a small blue spiral galaxy, NGC 1268. Perseus galaxy cluster (Abell 426) is a cluster of about 500 galaxies. The biggest (left) is NGC 1275, located 235 million light years away; it is a strong radio source known as Perseus A. The gravity exerted by the luminous parts of a galaxy cluster is insufficient to hold the cluster together. Thus, scientists have concluded the missing adhesive must be dark matter and since it's invisible to modern instruments - it can only be inferred. So, when one views the image of the Perseus Galaxy Cluster, ones sees only a s

R. Jay GaBany

PIX4565332

Hubble deep field sud - Hubble deep field south - In the southern constellation of Toucan, the Hubble space telescope posed 75h to obtain this image of the distant universe. Thousands of galaxies away from 1 to 12 billion light years are visible in this image. From Earth, the target field is the one “” that one would see through the eye of a needle held at arm's length.” If the distribution of galaxies over the entire Celestial vault were similar to this field, the number of galaxies observable up to magnitude 30 would be 50 billion. This picture is the culmination of a 10 - day - long observation called the Hubble Deep Field South which was carried out in October 1998. This new “” far - look”” complements the original Hubble “” deep field””” taken in late 1995, when Hubble was aimed at a small patch of space near the Big Dipper. The new region is in the constellation Tucana, near the south celestial pole. Hubble's sharp vision allows astronomers to sort galaxy shapes. The image is dom

Hubble deep field sud - Hubble deep field south - In the southern constellation of Toucan, the Hubble space telescope posed 75h to obtain this image of the distant universe. Thousands of galaxies away from 1 to 12 billion light years are visible in this image. From Earth, the target field is the one “” that one would see through the eye of a needle held at arm's length.” If the distribution of galaxies over the entire Celestial vault were similar to this field, the number of galaxies observable up to magnitude 30 would be 50 billion. This picture is the culmination of a 10 - day - long observation called the Hubble Deep Field South which was carried out in October 1998. This new “” far - look”” complements the original Hubble “” deep field””” taken in late 1995, when Hubble was aimed at a small patch of space near the Big Dipper. The new region is in the constellation Tucana, near the south celestial pole. Hubble's sharp vision allows astronomers to sort galaxy shapes. The image is dom

PIX4613806

Planetary nebula IC 418 dans le Lievre/HST - IC 418: The “” Spirograph” Nebula Glowing like a multi - faceted jewel, the planetary nebula IC 418 lies about 2,000 light - years from Earth in the direction of the constellation Lepus. This photograph is from Nasa's Hubble Space Telescope, obtained with the Wide Field Planetary Camera 2. A planetary nebula represents the final stage in the evolution of a star similar to our Sun. The star at the center of IC 418 was a red giant a few thousand years ago, but then ejected its outer layers into space to form the nebula, which has now expanded to a diameter of about 0.1 light - year. The stellar remnant at the center is the hot core of the red giant, from which ultraviolet radiation floods out into the surrounding gas, causing it to fluoresce. Over the next several thousand years, the nebula will gradually disperse into space, and then the star will cool and fade away for billions of years as a white dwarf. Our own Sun is expected to undergo a

Planetary nebula IC 418 dans le Lievre/HST - IC 418: The “” Spirograph” Nebula Glowing like a multi - faceted jewel, the planetary nebula IC 418 lies about 2,000 light - years from Earth in the direction of the constellation Lepus. This photograph is from Nasa's Hubble Space Telescope, obtained with the Wide Field Planetary Camera 2. A planetary nebula represents the final stage in the evolution of a star similar to our Sun. The star at the center of IC 418 was a red giant a few thousand years ago, but then ejected its outer layers into space to form the nebula, which has now expanded to a diameter of about 0.1 light - year. The stellar remnant at the center is the hot core of the red giant, from which ultraviolet radiation floods out into the surrounding gas, causing it to fluoresce. Over the next several thousand years, the nebula will gradually disperse into space, and then the star will cool and fade away for billions of years as a white dwarf. Our own Sun is expected to undergo a

PIX4623677

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

Birth of stars in the nebula NGC 3372 - Star formation in the Carina Nebula - Detail of the Carene nebula (NGC 3372) obtained by the Hubble space telescope. The image shows a column of gas eroded by ultraviolet radiation emitted by young stars. Jets are also visible, showing the presence of emerging stars. NGC 3372 is located about 7500 light years away from Earth. The colors used in this image correspond to the emissions of different gases: sulfur in red, hydrogen in green and oxygen in blue. The NASA Hubble Space Telescope photograph captures the chaotic activity atop a three - light - year - tall pillar of gas and dust that is being eaten away by the brilliant light from nearby bright stars. The pillar is also being assaulted from within, as infant stars buried inside it fire off jets of gas that can be seen streaming from towering peaks. This turbulent cosmic pinnacle lies within a tempestuous stellar nursery called the Carina Nebula, located 7,500 light - years away in the souther

Birth of stars in the nebula NGC 3372 - Star formation in the Carina Nebula - Detail of the Carene nebula (NGC 3372) obtained by the Hubble space telescope. The image shows a column of gas eroded by ultraviolet radiation emitted by young stars. Jets are also visible, showing the presence of emerging stars. NGC 3372 is located about 7500 light years away from Earth. The colors used in this image correspond to the emissions of different gases: sulfur in red, hydrogen in green and oxygen in blue. The NASA Hubble Space Telescope photograph captures the chaotic activity atop a three - light - year - tall pillar of gas and dust that is being eaten away by the brilliant light from nearby bright stars. The pillar is also being assaulted from within, as infant stars buried inside it fire off jets of gas that can be seen streaming from towering peaks. This turbulent cosmic pinnacle lies within a tempestuous stellar nursery called the Carina Nebula, located 7,500 light - years away in the souther

PIX4619129

Bok's cells in NGC 281 (Cassiopee) - Bok globules in NGC 281 - View of a detail of the nebula NGC 281 in Cassiopee center on Bok's Globules. 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. Near these blood cells shine blue stars; they belong to the young cluster of stars IC 1590. Image obtained by the Hubble Space Telescope in October 2005. These opaque, dark knots of gas and dust are called “” Bok globules,””” and they are absorbing light in the center of the nearby emission nebula and star - forming region. Bok hypothesized that giant molecular clouds, on the order of hundreds of light - years in size, can become perturbed and form small pockets where the dust and gas are highly concentrated. These small pockets become gravitationally bound and accumulate dust and gas from the surrounding area. If they can capture enough mass, they have the potential of creating stars in their cores; however, no

Bok's cells in NGC 281 (Cassiopee) - Bok globules in NGC 281 - View of a detail of the nebula NGC 281 in Cassiopee center on Bok's Globules. 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. Near these blood cells shine blue stars; they belong to the young cluster of stars IC 1590. Image obtained by the Hubble Space Telescope in October 2005. These opaque, dark knots of gas and dust are called “” Bok globules,””” and they are absorbing light in the center of the nearby emission nebula and star - forming region. Bok hypothesized that giant molecular clouds, on the order of hundreds of light - years in size, can become perturbed and form small pockets where the dust and gas are highly concentrated. These small pockets become gravitationally bound and accumulate dust and gas from the surrounding area. If they can capture enough mass, they have the potential of creating stars in their cores; however, no

PIX4617491

Star T - Tauri in Orion - Bow Shock around T - Tauri Star in the Orion Nebula - LL Ori is a star T - Tauri located about 1500 years ago - light from Earth in Orion's nebula. This young star emits a powerful stellar wind that hits the surrounding gas creating an arc-shaped shock wave Image obtained by the Hubble space telescope in February 1995. A bow shock can be created in space when two streams of gas collide. The star LL Ori emits a vigorous solar wind, a stream of charged particles moving rapidly outward from the star. Our own Sun has a less energetic version of this wind that is responsible for auroral displays on the Earth. The material in the fast wind from LL Ori collides with slow - moving gas evaporating away from the center of the Orion Nebula, which is located to the lower right in this Heritage image. The surface where the two winds collide is the crescent - shaped bow shock seen in the image. Unlike a water wave made by a ship, this interstellar bow shock is a three - dim

Star T - Tauri in Orion - Bow Shock around T - Tauri Star in the Orion Nebula - LL Ori is a star T - Tauri located about 1500 years ago - light from Earth in Orion's nebula. This young star emits a powerful stellar wind that hits the surrounding gas creating an arc-shaped shock wave Image obtained by the Hubble space telescope in February 1995. A bow shock can be created in space when two streams of gas collide. The star LL Ori emits a vigorous solar wind, a stream of charged particles moving rapidly outward from the star. Our own Sun has a less energetic version of this wind that is responsible for auroral displays on the Earth. The material in the fast wind from LL Ori collides with slow - moving gas evaporating away from the center of the Orion Nebula, which is located to the lower right in this Heritage image. The surface where the two winds collide is the crescent - shaped bow shock seen in the image. Unlike a water wave made by a ship, this interstellar bow shock is a three - dim

PIX4572363

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. With a magnitude of 9.0, this nebula is easily observed with a small telescope. 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. The Ring Nebula, M57, is the most famous example of a planetary nebula. Located about 2,000 light years away, it has an apparent diameter of 1 arc minute and a real diameter of about one light year. At magnitude 9.0 its high surface brightness makes it an easy object, even from the city and even with small telescopes. Despite their name, planetary nebulae have nothing to do with planets. They were named originally because their discoverers observed them visually and they did not appear as stellar point sources, but rather as small diffuse objects that resembled the outer planets in our solar system such

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. With a magnitude of 9.0, this nebula is easily observed with a small telescope. 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. The Ring Nebula, M57, is the most famous example of a planetary nebula. Located about 2,000 light years away, it has an apparent diameter of 1 arc minute and a real diameter of about one light year. At magnitude 9.0 its high surface brightness makes it an easy object, even from the city and even with small telescopes. Despite their name, planetary nebulae have nothing to do with planets. They were named originally because their discoverers observed them visually and they did not appear as stellar point sources, but rather as small diffuse objects that resembled the outer planets in our solar system such

Jerry Lodriguss

PIX4623312

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. With a magnitude of 9.0, this nebula is easily observed with a small telescope. 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. The Ring Nebula, M57, is the most famous example of a planetary nebula. Located about 2,000 light years away, it has an apparent diameter of 1 arc minute and a real diameter of about one light year. At magnitude 9.0 its high surface brightness makes it an easy object, even from the city and even with small telescopes. Despite their name, planetary nebulae have nothing to do with planets. They were named originally because their discoverers observed them visually and they did not appear as stellar point sources, but rather as small diffuse objects that resembled the outer planets in our solar system such

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. With a magnitude of 9.0, this nebula is easily observed with a small telescope. 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. The Ring Nebula, M57, is the most famous example of a planetary nebula. Located about 2,000 light years away, it has an apparent diameter of 1 arc minute and a real diameter of about one light year. At magnitude 9.0 its high surface brightness makes it an easy object, even from the city and even with small telescopes. Despite their name, planetary nebulae have nothing to do with planets. They were named originally because their discoverers observed them visually and they did not appear as stellar point sources, but rather as small diffuse objects that resembled the outer planets in our solar system such

Sebastian Voltmer

PIX4623321

Star Formation in the DR21 Region - Star Formation in the DR21 Region - This star formation region is about 6200 years old - light. Hidden in light visible by interstellar dust, this region rises in infrared light. Gas filaments appear in red; they emphasize the presence of aromatic polycyclic hydrocarbons (PAH); they are organic molecules composed of carbon atoms and hydrogen that could be the germs on which the first bricks of life appeared. Composite image in different wavelengths obtained by the Spitzer space telescope; in blue the visible light, in yellow and red the infrared light. Hidden behind a shroud of dust in the constellation Cygnus is a stellar nursery called DR21, which is giving birth to some of the most massive stars in our galaxy. Visible light images reveal no trace of this interstellar cauldron because of heavy dust obscuration. This image from Nasa's Spitzer Space Telescope allow us to peek behind the cosmic veil and pinpoint one of the most massive natal stars yet

Star Formation in the DR21 Region - Star Formation in the DR21 Region - This star formation region is about 6200 years old - light. Hidden in light visible by interstellar dust, this region rises in infrared light. Gas filaments appear in red; they emphasize the presence of aromatic polycyclic hydrocarbons (PAH); they are organic molecules composed of carbon atoms and hydrogen that could be the germs on which the first bricks of life appeared. Composite image in different wavelengths obtained by the Spitzer space telescope; in blue the visible light, in yellow and red the infrared light. Hidden behind a shroud of dust in the constellation Cygnus is a stellar nursery called DR21, which is giving birth to some of the most massive stars in our galaxy. Visible light images reveal no trace of this interstellar cauldron because of heavy dust obscuration. This image from Nasa's Spitzer Space Telescope allow us to peek behind the cosmic veil and pinpoint one of the most massive natal stars yet

PIX4621115

Detail of the Eagle Nebula (M16) dans le serpent/HST - This eerie, dark structure, resembling an imaginary sea serpent's head, is a column of cool molecular hydrogen gas (two atoms of hydrogen in each molecule) and dust that is an incubator for new stars. The stars are embedded inside finger - like protrusions extending from the top of the nebula. Each “” fingertip”” is somewhat larger than our own solar system. The pillar is slowly eroding away by the ultraviolet light from nearby hot stars, a process called “” photoevaporation””. As it does, small globules of especially dense gas buried within the cloud is uncovered. These globules have been dubbed “” Eggs”” - - an acronym for “” Evaporating Gaseous Globules””. The shadows of the Eggs protect gas behind them, resulting in the finger - like structures at the top of the cloud. Forming inside at least some of the Eggs are embryonic stars - - stars that abruptly stop growing when the Eggs are uncovered and they are separated from the lar

Detail of the Eagle Nebula (M16) dans le serpent/HST - This eerie, dark structure, resembling an imaginary sea serpent's head, is a column of cool molecular hydrogen gas (two atoms of hydrogen in each molecule) and dust that is an incubator for new stars. The stars are embedded inside finger - like protrusions extending from the top of the nebula. Each “” fingertip”” is somewhat larger than our own solar system. The pillar is slowly eroding away by the ultraviolet light from nearby hot stars, a process called “” photoevaporation””. As it does, small globules of especially dense gas buried within the cloud is uncovered. These globules have been dubbed “” Eggs”” - - an acronym for “” Evaporating Gaseous Globules””. The shadows of the Eggs protect gas behind them, resulting in the finger - like structures at the top of the cloud. Forming inside at least some of the Eggs are embryonic stars - - stars that abruptly stop growing when the Eggs are uncovered and they are separated from the lar

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Colliding galaxy Ngc 6745 in Lyra - Colliding galaxy NGC 6745 in Lyra - The spiral galaxy NGC 6745 is located about 206 million years away - light from Earth. This galaxy is double; a second galaxy at the bottom right of the image collides with it, causing star formation. Image obtained by the Hubble Space Telescope in 1996. A large spiral galaxy, with its nucleus still intact, peers at the smaller passing galaxy (almost out of the field of view at lower right). These galaxies did not merely interact gravitationally as they passed one another, they actually collided. When galaxies collide, the stars that normally comprise the major portion of the luminous mass of each of the two galaxies will almost never collide with each other but will pass rather freely between each other with little damage. This occurs because the physical size of individual stars is tiny compared to their typical separations, making the chance of physical encounter relatively small. In our own Milky Way galaxy, th

Colliding galaxy Ngc 6745 in Lyra - Colliding galaxy NGC 6745 in Lyra - The spiral galaxy NGC 6745 is located about 206 million years away - light from Earth. This galaxy is double; a second galaxy at the bottom right of the image collides with it, causing star formation. Image obtained by the Hubble Space Telescope in 1996. A large spiral galaxy, with its nucleus still intact, peers at the smaller passing galaxy (almost out of the field of view at lower right). These galaxies did not merely interact gravitationally as they passed one another, they actually collided. When galaxies collide, the stars that normally comprise the major portion of the luminous mass of each of the two galaxies will almost never collide with each other but will pass rather freely between each other with little damage. This occurs because the physical size of individual stars is tiny compared to their typical separations, making the chance of physical encounter relatively small. In our own Milky Way galaxy, th

PIX4612985

Remains of supernova SN 1006 - Supernova remnant SN 1006 - Remains of supernova SN 1006 located 7000 years ago - light in the constellation Wolf. This supernova that appeared in 1006 is the result of a white dwarf star that absorbs the matter of a companion star became unstable and eventually exploded. This image is a composite of X-ray images obtained by the Chandra telescope (blue), by Cerro Tololo's 90 cm telescope (yellow) and by the Digitized Sky Survey (orange and light blue), and by the VLA and the Green Bank's telescope radio (red). Just over a thousand years ago, the stellar explosion known as supernova SN 1006 was observed. It was brighter than Venus, and visible during the day for weeks. The brightest supernova ever recorded on Earth, this spectacular light show was documented in China, Japan, Europe, and the Arab world. Astronomers now understand that SN 1006 was caused by a white dwarf star that captured mass from a companion star until the white dwarf became unstable and

Remains of supernova SN 1006 - Supernova remnant SN 1006 - Remains of supernova SN 1006 located 7000 years ago - light in the constellation Wolf. This supernova that appeared in 1006 is the result of a white dwarf star that absorbs the matter of a companion star became unstable and eventually exploded. This image is a composite of X-ray images obtained by the Chandra telescope (blue), by Cerro Tololo's 90 cm telescope (yellow) and by the Digitized Sky Survey (orange and light blue), and by the VLA and the Green Bank's telescope radio (red). Just over a thousand years ago, the stellar explosion known as supernova SN 1006 was observed. It was brighter than Venus, and visible during the day for weeks. The brightest supernova ever recorded on Earth, this spectacular light show was documented in China, Japan, Europe, and the Arab world. Astronomers now understand that SN 1006 was caused by a white dwarf star that captured mass from a companion star until the white dwarf became unstable and

PIX4583213

The galactic center seen by Spitzer Space Telescope - The galactic center region seen by Spitzer satellite. The area photographed extends over 890 light-years and over 640 light-years high. In visible light, this area is hidden by a large amount of interstellar dust. This picture in false colors shows the old and cold stars in blue, and the red regions the hot and massive stars. Dark and bright filamentous clouds are star-forming regions. The brightest area in the center of the image is the center of our galaxy which houses a supermassive black hole. This infrared image from Nasa's Spitzer Space Telescope shows hundreds of thousands of stars crowded into the swirling core of our spiral Milky Way galaxy. In visible-light pictures, this region cannot be seen at all because dust lying between Earth and the galactic center blocks our view. In this false-color picture, old and cool stars are blue, while dust features lit up by blazing hot, massive stars are shown in a reddish hue. Both brig

The galactic center seen by Spitzer Space Telescope - The galactic center region seen by Spitzer satellite. The area photographed extends over 890 light-years and over 640 light-years high. In visible light, this area is hidden by a large amount of interstellar dust. This picture in false colors shows the old and cold stars in blue, and the red regions the hot and massive stars. Dark and bright filamentous clouds are star-forming regions. The brightest area in the center of the image is the center of our galaxy which houses a supermassive black hole. This infrared image from Nasa's Spitzer Space Telescope shows hundreds of thousands of stars crowded into the swirling core of our spiral Milky Way galaxy. In visible-light pictures, this region cannot be seen at all because dust lying between Earth and the galactic center blocks our view. In this false-color picture, old and cool stars are blue, while dust features lit up by blazing hot, massive stars are shown in a reddish hue. Both brig

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Proto - planetary nebula OH231.8+4.2 dans la Poupe/HST

Proto - planetary nebula OH231.8+4.2 dans la Poupe/HST

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Planetary nebula NGC 6543 in the Dragon - Planetary nebula NGC 6543 in Draco - Composite view of the planetary nebula NGC 6543 in the Dragon obtained by the Hubble space telescope and X-ray (blue) by the Chandra satellite. NGC 6543 is located about 3000 years of light from Earth. This composite of data from Nasa's Chandra X - ray Observatory and Hubble Space Telescope is a new look for NGC 6543, better known as the Cat's Eye nebula. This famous object is a so - called planetary nebula that represents a phase of stellar evolution that the Sun should experience several billion years from now. When a star like the Sun begins to run out of fuel, it becomes what is known as a red giant. In this phase, a star sheds some of its outer layers, eventually leaving behind a hot core that collapses to form a dense white dwarf star. A fast wind emanating from the hot core rams into the ejected atmosphere, pushes it outward, and creates the graceful filamentary structures seen with optical telescopes

Planetary nebula NGC 6543 in the Dragon - Planetary nebula NGC 6543 in Draco - Composite view of the planetary nebula NGC 6543 in the Dragon obtained by the Hubble space telescope and X-ray (blue) by the Chandra satellite. NGC 6543 is located about 3000 years of light from Earth. This composite of data from Nasa's Chandra X - ray Observatory and Hubble Space Telescope is a new look for NGC 6543, better known as the Cat's Eye nebula. This famous object is a so - called planetary nebula that represents a phase of stellar evolution that the Sun should experience several billion years from now. When a star like the Sun begins to run out of fuel, it becomes what is known as a red giant. In this phase, a star sheds some of its outer layers, eventually leaving behind a hot core that collapses to form a dense white dwarf star. A fast wind emanating from the hot core rams into the ejected atmosphere, pushes it outward, and creates the graceful filamentary structures seen with optical telescopes

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Pulsar of Crab in Taurus seen in X - The Crab nebula pulsar - Pulsar of Crab in Taurus seen in X by satellite Chandra. The pulsar is the white dot in the center of the image. This neutron star generates a powerful magnetic field creating material jets at the poles, as well as a strong stellar wind. This image gives the first clear view of the faint boundary of the Crab Nebula's X - ray - emitting pulsar wind nebula. The nebula is powered by a rapidly rotating, highly magnetized neutron star, or pulsar (white dot near the center). The combination of rapid rotating and strong magnetic field generates an intense electromagnetic field that creates jets of matter and anti - matter moving away from the north and south poles of the pulsar, and an intense wind flowing out in the equatorial direction. The inner X - ray ring is thought to be a shock wave that marks the boundary between the surrounding nebula and the flow of matter and antimatter particles from the pulsar. Energetic electrons and

Pulsar of Crab in Taurus seen in X - The Crab nebula pulsar - Pulsar of Crab in Taurus seen in X by satellite Chandra. The pulsar is the white dot in the center of the image. This neutron star generates a powerful magnetic field creating material jets at the poles, as well as a strong stellar wind. This image gives the first clear view of the faint boundary of the Crab Nebula's X - ray - emitting pulsar wind nebula. The nebula is powered by a rapidly rotating, highly magnetized neutron star, or pulsar (white dot near the center). The combination of rapid rotating and strong magnetic field generates an intense electromagnetic field that creates jets of matter and anti - matter moving away from the north and south poles of the pulsar, and an intense wind flowing out in the equatorial direction. The inner X - ray ring is thought to be a shock wave that marks the boundary between the surrounding nebula and the flow of matter and antimatter particles from the pulsar. Energetic electrons and

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