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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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Constellation of Taurus - Constellation of Taurus - Taurus, (the Bull) is one of the most ancient constellations, and appears in artefacts as old as western civilisation itself. The bull is still a figure of strength and fertility in cultures around the world. In the sky the distinctive 'V' shape of his head and long horns tipped by beta (ss) and zeta Tau is easily recognised. If the purpose of the horns was in doubt, the English name for ss Tau is Alnath, meaning 'the butting one'. The bull's glowing red eye of Aldebaran completes the picture, and its location between the delicate Pleiades and the aggressive stance of Orion makes Taurus hard to overlook. Despite its masculine connotations, the constellation is rich in female icons; both the Hyades and Pleiades star clusters are daughters of Atlas and both are important astronomically. The Pleiades (or the Seven Sisters) are a group of young stars at a distance of about 440 light years and on long exposure photographs are seen to be em

Constellation of Taurus - Constellation of Taurus - Taurus, (the Bull) is one of the most ancient constellations, and appears in artefacts as old as western civilisation itself. The bull is still a figure of strength and fertility in cultures around the world. In the sky the distinctive 'V' shape of his head and long horns tipped by beta (ss) and zeta Tau is easily recognised. If the purpose of the horns was in doubt, the English name for ss Tau is Alnath, meaning 'the butting one'. The bull's glowing red eye of Aldebaran completes the picture, and its location between the delicate Pleiades and the aggressive stance of Orion makes Taurus hard to overlook. Despite its masculine connotations, the constellation is rich in female icons; both the Hyades and Pleiades star clusters are daughters of Atlas and both are important astronomically. The Pleiades (or the Seven Sisters) are a group of young stars at a distance of about 440 light years and on long exposure photographs are seen to be em

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Galaxies NGC 5078 and IC 879 in Hydra - Galaxies NGC 5078 and IC 879 in Hydra - NGC 5078 is a spiral galaxy located about 95 million years ago - light. A small galaxy, IC 879, at the bottom of the picture, is probably interacting with it. Image made with Siding Spring's 3.9m telescope. NGC 5078 is a lenticular (lens - shaped) galaxy crossed by a distinct dusty band which is seen against the bright background of the galaxy itself. The dust lane is warped and broadened, probably by interaction with the faint companion galaxy IC 879, which is itself distorted into an 'S' shape by the interaction. The slightly bluish colour of parts of the fainter galaxy is suggestive of star formation, probably triggered by the interaction. Encounters between galaxies such as this are common, and often lead to them merging into a single entity. It is likely that the dust lane of NGC 5078 is the remnant of a dusty spiral which fell into it long ago. The galaxies are about 80 million light years distant

Galaxies NGC 5078 and IC 879 in Hydra - Galaxies NGC 5078 and IC 879 in Hydra - NGC 5078 is a spiral galaxy located about 95 million years ago - light. A small galaxy, IC 879, at the bottom of the picture, is probably interacting with it. Image made with Siding Spring's 3.9m telescope. NGC 5078 is a lenticular (lens - shaped) galaxy crossed by a distinct dusty band which is seen against the bright background of the galaxy itself. The dust lane is warped and broadened, probably by interaction with the faint companion galaxy IC 879, which is itself distorted into an 'S' shape by the interaction. The slightly bluish colour of parts of the fainter galaxy is suggestive of star formation, probably triggered by the interaction. Encounters between galaxies such as this are common, and often lead to them merging into a single entity. It is likely that the dust lane of NGC 5078 is the remnant of a dusty spiral which fell into it long ago. The galaxies are about 80 million light years distant

PIX4612223

Nebula California (NGC 1499) in Persee - The California Nebula (NGC 1499) in Perseus - NGC 1499 is a very large emission nebula located 1140 years - light from Earth in the constellation Persee. Image obtained by the Oschin telescope of Mount Palomar through several filters and composed. The north is at top. This is a huge emission nebula in Perseus constellation. It is a cloud of gas, mainly hydrogen, which glows due to the ionization by radiation from a hot nearby star. The California Nebula is made glowing by the 4th magnitude star Menkib (Xi Persei, the bright blue star in center right). The nebula is named because recall the shape of the US state when viewed from the west. This image is based on data acquired by the Oschin Telescope at the Mount Palomar Observatory

Nebula California (NGC 1499) in Persee - The California Nebula (NGC 1499) in Perseus - NGC 1499 is a very large emission nebula located 1140 years - light from Earth in the constellation Persee. Image obtained by the Oschin telescope of Mount Palomar through several filters and composed. The north is at top. This is a huge emission nebula in Perseus constellation. It is a cloud of gas, mainly hydrogen, which glows due to the ionization by radiation from a hot nearby star. The California Nebula is made glowing by the 4th magnitude star Menkib (Xi Persei, the bright blue star in center right). The nebula is named because recall the shape of the US state when viewed from the west. This image is based on data acquired by the Oschin Telescope at the Mount Palomar Observatory

D. De Martin

PIX4617554

Spiral galaxies NGC 3314 A and B in Hydra - Galaxy pair NGC 3314 in Hydra - NGC 3314 is a pair of spiral galaxies distant about 140 million years - Earth light. These galaxies are not interacting but just perfectly aligned in front of each other from Earth. Through an extraordinary chance alignment, a face - on spiral galaxy lies precisely in front of another larger spiral. This line - up provides us with the rare chance to visualize dark material within the front galaxy, seen only because it is silhouetted against the object behind it. NGC 3314 lies about 140 million light - years from Earth, in the direction of the southern hemisphere constellation Hydra. The bright blue stars forming a pinwheel shape near the center of the front galaxy have formed recently from interstellar gas and dust. In many galaxies, interstellar dust lies only in the same regions as recently formed blue stars. However, in the foreground galaxy, NGC 3314a, there are numerous additional dark dust lanes that are

Spiral galaxies NGC 3314 A and B in Hydra - Galaxy pair NGC 3314 in Hydra - NGC 3314 is a pair of spiral galaxies distant about 140 million years - Earth light. These galaxies are not interacting but just perfectly aligned in front of each other from Earth. Through an extraordinary chance alignment, a face - on spiral galaxy lies precisely in front of another larger spiral. This line - up provides us with the rare chance to visualize dark material within the front galaxy, seen only because it is silhouetted against the object behind it. NGC 3314 lies about 140 million light - years from Earth, in the direction of the southern hemisphere constellation Hydra. The bright blue stars forming a pinwheel shape near the center of the front galaxy have formed recently from interstellar gas and dust. In many galaxies, interstellar dust lies only in the same regions as recently formed blue stars. However, in the foreground galaxy, NGC 3314a, there are numerous additional dark dust lanes that are

PIX4610557

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

Constellations of Andromede and Cassiopee - Andromeda and Cassiopeia constellations - Field around the constellations of Andromede and Cassiopee. From ancient times the constellation of Andromeda has represented a woman and in Greek mythology Andromeda was the daughter of Cepheus and Cassiopeia, king and boastful queen of the Phoenician kingdom of Ethiopia. As punishment for her mother's arrogance she was chained to a rock as a sacrifece to Cetus, then rescued by Perseus whom she subsequently married. The modern constellation is the 19th largest in the sky and covers about 720 square degrees but is not very obvious. The three brightest stars of Andromeda form a broad arc south of the distinctive 'W' of Cassiopeia, and under a dark sky the elongated shape of M32 is just visible to the unaided eye. This is by far the best - known object in the field. Best seen in the early evening in Novembe

Constellations of Andromede and Cassiopee - Andromeda and Cassiopeia constellations - Field around the constellations of Andromede and Cassiopee. From ancient times the constellation of Andromeda has represented a woman and in Greek mythology Andromeda was the daughter of Cepheus and Cassiopeia, king and boastful queen of the Phoenician kingdom of Ethiopia. As punishment for her mother's arrogance she was chained to a rock as a sacrifece to Cetus, then rescued by Perseus whom she subsequently married. The modern constellation is the 19th largest in the sky and covers about 720 square degrees but is not very obvious. The three brightest stars of Andromeda form a broad arc south of the distinctive 'W' of Cassiopeia, and under a dark sky the elongated shape of M32 is just visible to the unaided eye. This is by far the best - known object in the field. Best seen in the early evening in Novembe

PIX4589005

Irregular Galaxy of the Little Magellan Cloud (NGC 292) - The Small Magellanic Cloud - The galaxy of the Little Magellan Cloud is about 240,000 light years from Earth in the southern constellation of Toucan. It's one of the closest galaxies of the Lactee Way. Two globular clusters are visible on this image, on the right the Toucan cluster, on the left, the NGC 362 cluster. The Small Magellanic Cloud (SMC) is the second nearest galaxy to the Milky Way, (the LMC being the nearest) and is at the distance of about 240,000 light years. The shape of the SMC defies description and it is therefore classified as an 'irregular' galaxy. The large globular cluster at right is 47 Tucanae, while a smaller one at left is NGC 362. It is about 30,000 light years distant, twice as far away as 47 Tuc

Irregular Galaxy of the Little Magellan Cloud (NGC 292) - The Small Magellanic Cloud - The galaxy of the Little Magellan Cloud is about 240,000 light years from Earth in the southern constellation of Toucan. It's one of the closest galaxies of the Lactee Way. Two globular clusters are visible on this image, on the right the Toucan cluster, on the left, the NGC 362 cluster. The Small Magellanic Cloud (SMC) is the second nearest galaxy to the Milky Way, (the LMC being the nearest) and is at the distance of about 240,000 light years. The shape of the SMC defies description and it is therefore classified as an 'irregular' galaxy. The large globular cluster at right is 47 Tucanae, while a smaller one at left is NGC 362. It is about 30,000 light years distant, twice as far away as 47 Tuc

PIX4613329

Chicago, Illinois: c. 1937 An advertisement for Monarch Coffee.

Chicago, Illinois: c. 1937 An advertisement for Monarch Coffee.

UIG5453798

Planetary nebula M57 (NGC 6720) in Lyra - The Ring nebula M57 in Lyra - The planetary nebula of Lyra (M57) is located about 2000 years - light from Earth. A planetary nebula is a gas shell from a small late-life star whose heart collapsed to become a white dwarf and expelled the outer layers of its matter. Image obtained by the Hubble Space Telescope. This close - up, visible - light view by Nasa's Hubble Space Telescope reveals new details of the Ring Nebula. The object is tilted towards Earth so that astronomers see the ring face - on. The Hubble observations reveal that the nebula's shape is more complicated than astronomers thought. The blue gas in the nebula's center is actually a football - shaped structure that pierces the red doughnut - shaped material. Hubble also uncovers the detailed structure of the dark, irregular knots of dense gas embedded along the inner rim of the ring. The knots look like spokes in a bicycle. The Hubble images have allowed the research team to match u

Planetary nebula M57 (NGC 6720) in Lyra - The Ring nebula M57 in Lyra - The planetary nebula of Lyra (M57) is located about 2000 years - light from Earth. A planetary nebula is a gas shell from a small late-life star whose heart collapsed to become a white dwarf and expelled the outer layers of its matter. Image obtained by the Hubble Space Telescope. This close - up, visible - light view by Nasa's Hubble Space Telescope reveals new details of the Ring Nebula. The object is tilted towards Earth so that astronomers see the ring face - on. The Hubble observations reveal that the nebula's shape is more complicated than astronomers thought. The blue gas in the nebula's center is actually a football - shaped structure that pierces the red doughnut - shaped material. Hubble also uncovers the detailed structure of the dark, irregular knots of dense gas embedded along the inner rim of the ring. The knots look like spokes in a bicycle. The Hubble images have allowed the research team to match u

PIX4623343

Planetary nebula NGC 6302 in Scorpio - Planetary nebula NGC 6302 in Scorpius - NGC 6302 is a planetary nebula located about 4000 years from Earth. In the center of the nebula, an extremely hot dying star. Image obtained by the Hubble Space Telescope with the new WFC 3 (Wide Field Camera 3) camera, July 27, 2009. A dying star that was once about five times the mass of the Sun is at the center of this nebula. It has ejected its envelope of gases and is now unleashing a stream of ultraviolet radiation that is making the cast - off material glow. This object is an example of a planetary nebula, so - named because many of them have a round appearance resembling that of a planet when viewed through a small telescope. The Wide Field Camera 3 (WFC3), a new camera aboard Nasa's Hubble Space Telescope, snapped this image of the planetary nebula, catalogued as NGC 6302, but more popularly called the Bug Nebula or the Butterfly Nebula. WFC3 was installed by NASA astronauts in May 2009, during the

Planetary nebula NGC 6302 in Scorpio - Planetary nebula NGC 6302 in Scorpius - NGC 6302 is a planetary nebula located about 4000 years from Earth. In the center of the nebula, an extremely hot dying star. Image obtained by the Hubble Space Telescope with the new WFC 3 (Wide Field Camera 3) camera, July 27, 2009. A dying star that was once about five times the mass of the Sun is at the center of this nebula. It has ejected its envelope of gases and is now unleashing a stream of ultraviolet radiation that is making the cast - off material glow. This object is an example of a planetary nebula, so - named because many of them have a round appearance resembling that of a planet when viewed through a small telescope. The Wide Field Camera 3 (WFC3), a new camera aboard Nasa's Hubble Space Telescope, snapped this image of the planetary nebula, catalogued as NGC 6302, but more popularly called the Bug Nebula or the Butterfly Nebula. WFC3 was installed by NASA astronauts in May 2009, during the

PIX4623200

Constellation of Taurus - Constellation of Taurus - Taurus, (the Bull) is one of the most ancient constellations, and appears in artefacts as old as western civilisation itself. The bull is still a figure of strength and fertility in cultures around the world. In the sky the distinctive 'V' shape of his head and long horns tipped by beta (ss) and zeta Tau is easily recognised. If the purpose of the horns was in doubt, the English name for ss Tau is Alnath, meaning 'the butting one'. The bull's glowing red eye of Aldebaran completes the picture, and its location between the delicate Pleiades and the aggressive stance of Orion makes Taurus hard to overlook. Despite its masculine connotations, the constellation is rich in female icons; both the Hyades and Pleiades star clusters are daughters of Atlas and both are important astronomically. The Pleiades (or the Seven Sisters) are a group of young stars at a distance of about 440 light years and on long exposure photographs are seen to be em

Constellation of Taurus - Constellation of Taurus - Taurus, (the Bull) is one of the most ancient constellations, and appears in artefacts as old as western civilisation itself. The bull is still a figure of strength and fertility in cultures around the world. In the sky the distinctive 'V' shape of his head and long horns tipped by beta (ss) and zeta Tau is easily recognised. If the purpose of the horns was in doubt, the English name for ss Tau is Alnath, meaning 'the butting one'. The bull's glowing red eye of Aldebaran completes the picture, and its location between the delicate Pleiades and the aggressive stance of Orion makes Taurus hard to overlook. Despite its masculine connotations, the constellation is rich in female icons; both the Hyades and Pleiades star clusters are daughters of Atlas and both are important astronomically. The Pleiades (or the Seven Sisters) are a group of young stars at a distance of about 440 light years and on long exposure photographs are seen to be em

PIX4594065

Spiral galaxy NGC 247 in the whale - Spiral galaxy NGC 247 in Cetus - Dwarf spiral galaxy in the whale, located about 8 million years ago - light from Earth. Image made with an amateur instrument, a 130 mm bezel. It has a slightly irregular shape on one end where the spiral arm has a hollowed out appearance on long - exposure photographs. It is located about 5 degrees north of its famous neighbor in Sculptor, Galaxy NGC 253. It is about the same size as NGC 253, but two magnitudes fainter. Both galaxies are fairly close to us at 8 - 12 million light years

Spiral galaxy NGC 247 in the whale - Spiral galaxy NGC 247 in Cetus - Dwarf spiral galaxy in the whale, located about 8 million years ago - light from Earth. Image made with an amateur instrument, a 130 mm bezel. It has a slightly irregular shape on one end where the spiral arm has a hollowed out appearance on long - exposure photographs. It is located about 5 degrees north of its famous neighbor in Sculptor, Galaxy NGC 253. It is about the same size as NGC 253, but two magnitudes fainter. Both galaxies are fairly close to us at 8 - 12 million light years

Jerry Lodriguss

PIX4608991

Comete of Halley - Halley's comet - View on April 10, 1986

Comete of Halley - Halley's comet - View on April 10, 1986

PIX4569954

Andromede and Triangle Constellations - Constellations of Andromeda and Triangulum - The constellation of Andromede begins at the brilliant star Alpheratz, or Alpha Andromedae, one of the corners of the great square of Pegase. Alpheratz is the brightest star in the picture, on the right, and is located about 97 light years away from Earth. Mirach star, in the center of the image, is a giant red star situated about 200 years ago - light. The galaxy of Andromede, M31, is visible at the top of the picture. At the bottom of the mage, in the middle, the galaxy M33. The large open cluster NGC 752 is at the bottom left. The constellations of Andromeda, the Princess, and Triangulum, the Triangle, point the way to several deep - sky delights in the fall sky. Andromeda begins at the bright star Alpheratz, or Alpha Andromedae, one of the corners of the great square of Pegasus. Alpheratz is the brightest star in the image, near the right side of the frame and is located about 97 light years away f

Andromede and Triangle Constellations - Constellations of Andromeda and Triangulum - The constellation of Andromede begins at the brilliant star Alpheratz, or Alpha Andromedae, one of the corners of the great square of Pegase. Alpheratz is the brightest star in the picture, on the right, and is located about 97 light years away from Earth. Mirach star, in the center of the image, is a giant red star situated about 200 years ago - light. The galaxy of Andromede, M31, is visible at the top of the picture. At the bottom of the mage, in the middle, the galaxy M33. The large open cluster NGC 752 is at the bottom left. The constellations of Andromeda, the Princess, and Triangulum, the Triangle, point the way to several deep - sky delights in the fall sky. Andromeda begins at the bright star Alpheratz, or Alpha Andromedae, one of the corners of the great square of Pegasus. Alpheratz is the brightest star in the image, near the right side of the frame and is located about 97 light years away f

Jerry Lodriguss

PIX4588973

Constellations of the Little Lion and the Lion - Constellations of Leo Minor and Leo - Leo Minor the lesser Lion, is a constellation of the northern Spring and was created by Johannes Hevelius (1611 - 1687), first published in his 1690 atlas Firmamentum Sobiescianum. He is believed to have named the star 46 Leonis Minoris 'Praecipua' because it was the principal star in his new and not very distictive constellation, which at 232 square degrees is 64th largest. Leo Minor is due north of the distinctive sickle shape in Leo, and south of the hind leg of Ursa Major, 'The Great Bear'

Constellations of the Little Lion and the Lion - Constellations of Leo Minor and Leo - Leo Minor the lesser Lion, is a constellation of the northern Spring and was created by Johannes Hevelius (1611 - 1687), first published in his 1690 atlas Firmamentum Sobiescianum. He is believed to have named the star 46 Leonis Minoris 'Praecipua' because it was the principal star in his new and not very distictive constellation, which at 232 square degrees is 64th largest. Leo Minor is due north of the distinctive sickle shape in Leo, and south of the hind leg of Ursa Major, 'The Great Bear'

PIX4593329

The constellation Raven - The Corvus constellation - Crow constellation among the clouds above a field of flowering rapeseed. In overprint, the mythological form of this constellation, extracted from the Uranographia of Hevelius. Stars of trapezium - shape constellation “” Corvus”” or the crow over a field. Constellation Mythological form from “” Uranographia”” star atlas by Hevelius (1690) has been added

The constellation Raven - The Corvus constellation - Crow constellation among the clouds above a field of flowering rapeseed. In overprint, the mythological form of this constellation, extracted from the Uranographia of Hevelius. Stars of trapezium - shape constellation “” Corvus”” or the crow over a field. Constellation Mythological form from “” Uranographia”” star atlas by Hevelius (1690) has been added

Laurent Laveder

PIX4590061

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

Spiral galaxy NGC 1961 in Giraffe - NGC 1961 spiral galaxy in Camelopardalis - Spiral galaxy NGC 1961 (Arp 184) in the constellation Giraffe. Image made with a telescope of 61 cm. NGC 1961 (Arp 184) is a problematic galaxy. Its highly disturbed and asymmetric spiral arms would normally indicate an interaction or merger with another galaxy. However, no culprit is found to be the source of NGC 1961's angst. Given the apparent size and brightness of this galaxy - it must be one of the largest galaxies in our “” local”” universe. The shape of the galaxy may be due to its interaction with the gas in the cluster. Most of this galaxy is still producing young and massive stars that live short lives and die violent deaths as supernovae

Spiral galaxy NGC 1961 in Giraffe - NGC 1961 spiral galaxy in Camelopardalis - Spiral galaxy NGC 1961 (Arp 184) in the constellation Giraffe. Image made with a telescope of 61 cm. NGC 1961 (Arp 184) is a problematic galaxy. Its highly disturbed and asymmetric spiral arms would normally indicate an interaction or merger with another galaxy. However, no culprit is found to be the source of NGC 1961's angst. Given the apparent size and brightness of this galaxy - it must be one of the largest galaxies in our “” local”” universe. The shape of the galaxy may be due to its interaction with the gas in the cluster. Most of this galaxy is still producing young and massive stars that live short lives and die violent deaths as supernovae

Adam Block

PIX4609981

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

Andromede and Triangle Constellations - Constellations of Andromeda and Triangulum - The constellation of Andromede begins at the brilliant star Alpheratz, or Alpha Andromedae, one of the corners of the great square of Pegase. Alpheratz is the brightest star in the picture, on the right, and is located about 97 light years away from Earth. Mirach star, in the center of the image, is a giant red star situated about 200 years ago - light. The galaxy of Andromede, M31, is visible at the top of the picture. At the bottom of the mage, in the middle, the galaxy M33. The large open cluster NGC 752 is at the bottom left. The constellations of Andromeda, the Princess, and Triangulum, the Triangle, point the way to several deep - sky delights in the fall sky. Andromeda begins at the bright star Alpheratz, or Alpha Andromedae, one of the corners of the great square of Pegasus. Alpheratz is the brightest star in the image, near the right side of the frame and is located about 97 light years away f

Andromede and Triangle Constellations - Constellations of Andromeda and Triangulum - The constellation of Andromede begins at the brilliant star Alpheratz, or Alpha Andromedae, one of the corners of the great square of Pegase. Alpheratz is the brightest star in the picture, on the right, and is located about 97 light years away from Earth. Mirach star, in the center of the image, is a giant red star situated about 200 years ago - light. The galaxy of Andromede, M31, is visible at the top of the picture. At the bottom of the mage, in the middle, the galaxy M33. The large open cluster NGC 752 is at the bottom left. The constellations of Andromeda, the Princess, and Triangulum, the Triangle, point the way to several deep - sky delights in the fall sky. Andromeda begins at the bright star Alpheratz, or Alpha Andromedae, one of the corners of the great square of Pegasus. Alpheratz is the brightest star in the image, near the right side of the frame and is located about 97 light years away f

Jerry Lodriguss

PIX4588980

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

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

PIX4623411

Constellation of Ursa Major - Constellation of Ursa Major - Grand Chariot, asterism of the constellation Ursa Ursa. Composite of two images. The sky is enlarged in relation to reality. This photo of the constellation Ursa Major, better known as The Big Dipper clearly shows the main “” naked eye”” stars that make up the shape of “” the dipper”” enlarged in their true color. The Big Dipper is actually just the tail section of Usa Major, “” The Great Bear””, which is a very large constellation in the Northern sky

Constellation of Ursa Major - Constellation of Ursa Major - Grand Chariot, asterism of the constellation Ursa Ursa. Composite of two images. The sky is enlarged in relation to reality. This photo of the constellation Ursa Major, better known as The Big Dipper clearly shows the main “” naked eye”” stars that make up the shape of “” the dipper”” enlarged in their true color. The Big Dipper is actually just the tail section of Usa Major, “” The Great Bear””, which is a very large constellation in the Northern sky

B&S.Fletcher

PIX4591125

Spiral Galaxy NGC 3628 in the Lion - Spiral galaxy NGC 3628 in Leo - NGC 3628 is a spiral galaxy seen by the slice located at a distance of about 35 million years - light. With its neighbors M65 and M66, it forms a remarkable triplet of galaxies, called the Lion Triplet or the M66 Group. Image obtained with Siding Spring's 3.9m telescope. This picture has been specially enhanced to reveal NGC 3628, which is seen as an edge - on spiral galaxy, crossed by a dust lane. Galaxies seen edge - on are rare, but this example has other peculiarities. The dust lane is distinctly askew and the ends of the spiral arms are obviously puffed out, with evidence of star formation. The bright bulge of the galaxy also has an unusual 'peanut' shape. This suggests that the galaxies of the Leo group are interacting, gradually pulling each other apart as they orbit each other. Image obtained with the 3.9m telescope of Siding Spring

Spiral Galaxy NGC 3628 in the Lion - Spiral galaxy NGC 3628 in Leo - NGC 3628 is a spiral galaxy seen by the slice located at a distance of about 35 million years - light. With its neighbors M65 and M66, it forms a remarkable triplet of galaxies, called the Lion Triplet or the M66 Group. Image obtained with Siding Spring's 3.9m telescope. This picture has been specially enhanced to reveal NGC 3628, which is seen as an edge - on spiral galaxy, crossed by a dust lane. Galaxies seen edge - on are rare, but this example has other peculiarities. The dust lane is distinctly askew and the ends of the spiral arms are obviously puffed out, with evidence of star formation. The bright bulge of the galaxy also has an unusual 'peanut' shape. This suggests that the galaxies of the Leo group are interacting, gradually pulling each other apart as they orbit each other. Image obtained with the 3.9m telescope of Siding Spring

PIX4610870

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

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

PIX4612191

Constellations of the Little Lion and the Lion - Constellations of Leo Minor and Leo - Leo Minor the lesser Lion, is a constellation of the northern Spring and was created by Johannes Hevelius (1611 - 1687), first published in his 1690 atlas Firmamentum Sobiescianum. He is believed to have named the star 46 Leonis Minoris 'Praecipua' because it was the principal star in his new and not very distictive constellation, which at 232 square degrees is 64th largest. Leo Minor is due north of the distinctive sickle shape in Leo, and south of the hind leg of Ursa Major, 'The Great Bear'

Constellations of the Little Lion and the Lion - Constellations of Leo Minor and Leo - Leo Minor the lesser Lion, is a constellation of the northern Spring and was created by Johannes Hevelius (1611 - 1687), first published in his 1690 atlas Firmamentum Sobiescianum. He is believed to have named the star 46 Leonis Minoris 'Praecipua' because it was the principal star in his new and not very distictive constellation, which at 232 square degrees is 64th largest. Leo Minor is due north of the distinctive sickle shape in Leo, and south of the hind leg of Ursa Major, 'The Great Bear'

PIX4593341

Variable star Mira Ceti view in ultraviolet - Star Mira Ceti seen in ultraviolet - Ultraviolet view of the star Mira of the Whale revealing a long train of material ejected by the large red star. This trail extends over 13 years - light. Mosaic of images obtained by the Galex satellite in November and December 2006. Ultraviolet image of the star Mira taken with the Galex satellite in November and December 2006. In this image, Mira is moving from left to right. It is visible as the small white dot in the bulb shape at right. The shed material can be seen in light blue. The dots in the picture are stars and distant galaxies. The large blue dot at left is a star that is closer to us than Mira. Mira is traveling so fast (130 kilometers per second) that it's creating a bow shock, or build - up of gas, in front of it, as can be seen here at right

Variable star Mira Ceti view in ultraviolet - Star Mira Ceti seen in ultraviolet - Ultraviolet view of the star Mira of the Whale revealing a long train of material ejected by the large red star. This trail extends over 13 years - light. Mosaic of images obtained by the Galex satellite in November and December 2006. Ultraviolet image of the star Mira taken with the Galex satellite in November and December 2006. In this image, Mira is moving from left to right. It is visible as the small white dot in the bulb shape at right. The shed material can be seen in light blue. The dots in the picture are stars and distant galaxies. The large blue dot at left is a star that is closer to us than Mira. Mira is traveling so fast (130 kilometers per second) that it's creating a bow shock, or build - up of gas, in front of it, as can be seen here at right

PIX4572330

Exoplanete WASP-12b: WASP-12b is a hot Jupiter-type exoplanet orbiting in 1.09 days around the star WASP-12, located about 870 light-years from the Sun, in the constellation of Coach. This planet is so close to its star that it is stretched by the maree forces of the latter so that it presents an ovoid shape and its atmosphere is little by little torn away by the star. WASP-12b is an extrasolar planet orbiting the star WASP-12, discovered by the SuperWasp planetary transit survey. Due to its extremely close orbit to its star, the star's tidal forces are distorting it into an egg shape and pulling away its atmosphere. The planet takes only a little over a day to orbit the star

Exoplanete WASP-12b: WASP-12b is a hot Jupiter-type exoplanet orbiting in 1.09 days around the star WASP-12, located about 870 light-years from the Sun, in the constellation of Coach. This planet is so close to its star that it is stretched by the maree forces of the latter so that it presents an ovoid shape and its atmosphere is little by little torn away by the star. WASP-12b is an extrasolar planet orbiting the star WASP-12, discovered by the SuperWasp planetary transit survey. Due to its extremely close orbit to its star, the star's tidal forces are distorting it into an egg shape and pulling away its atmosphere. The planet takes only a little over a day to orbit the star

Miller, Ron (b.1947)

PIX4608333

Planetary nebula NGC 5189 in the Fly - NGC 5189, a weird planetary nebula - This nebula is located about 3000 years from Earth in the southern constellation of Fly. Image obtained from the 3.9m telescope of Siding Spring The peculiarity of NGC 5189 lies in its astonishingly complex structure, first noted by Sir John Herschel, who discovered it in 1835. Seen through the telescope it seems to have an 'S' shape, reminiscent of a barred spiral galaxy, hence its popular name. This is seen in the colour photograph as the central greenish part. Deep photographs such as this show many filaments, rather more reminiscent of the Crab nebula, a supernova remnant, than a planetary nebula. Unlike the Crab nebula, NGC 5189 is remarkably symmetrical. Distances to planetary nebulae are notoriously difficult to measure, but this one is estimated to be about 3000 light years away

Planetary nebula NGC 5189 in the Fly - NGC 5189, a weird planetary nebula - This nebula is located about 3000 years from Earth in the southern constellation of Fly. Image obtained from the 3.9m telescope of Siding Spring The peculiarity of NGC 5189 lies in its astonishingly complex structure, first noted by Sir John Herschel, who discovered it in 1835. Seen through the telescope it seems to have an 'S' shape, reminiscent of a barred spiral galaxy, hence its popular name. This is seen in the colour photograph as the central greenish part. Deep photographs such as this show many filaments, rather more reminiscent of the Crab nebula, a supernova remnant, than a planetary nebula. Unlike the Crab nebula, NGC 5189 is remarkably symmetrical. Distances to planetary nebulae are notoriously difficult to measure, but this one is estimated to be about 3000 light years away

PIX4623110

Omega nebula (M17) in Sagittarius - The Omega nebula (M17) in Sagittarius - View of the Omega nebula (M17/NGC 6618) located in the constellation Sagittarius at a distance of 5700 light years. This object derives its name from its looped shape reminiscent of the Greek letter when the nebula is seen in a telescope. The gas cloud is unusual in that it does not appear to be illuminated by the bright stars that commonly found in emission nebulae such as this. However, the nebulosity is very bright, so the exciting stars must be hidden within the cloud, an idea confirmed by the infrared brightness of the nebula. It is about 6000 light years distant

Omega nebula (M17) in Sagittarius - The Omega nebula (M17) in Sagittarius - View of the Omega nebula (M17/NGC 6618) located in the constellation Sagittarius at a distance of 5700 light years. This object derives its name from its looped shape reminiscent of the Greek letter when the nebula is seen in a telescope. The gas cloud is unusual in that it does not appear to be illuminated by the bright stars that commonly found in emission nebulae such as this. However, the nebulosity is very bright, so the exciting stars must be hidden within the cloud, an idea confirmed by the infrared brightness of the nebula. It is about 6000 light years distant

PIX4620168

Omega nebula (M17) in Sagittarius - The Omega nebula (M17) in Sagittarius - View of the Omega nebula (M17/NGC 6618) located in the constellation Sagittarius at a distance of 5700 light years. This object derives its name from its looped shape reminiscent of the Greek letter when the nebula is seen in a telescope. The gas cloud is unusual in that it does not appear to be illuminated by the bright stars that commonly found in emission nebulae such as this. However, the nebulosity is very bright, so the exciting stars must be hidden within the cloud, an idea confirmed by the infrared brightness of the nebula. As well as exciting the nebula we can see, the embedded stars heat the dust that surrounds them, so M17 is one of the brightest objects in the infrared sky. It is about 6000 light years distant

Omega nebula (M17) in Sagittarius - The Omega nebula (M17) in Sagittarius - View of the Omega nebula (M17/NGC 6618) located in the constellation Sagittarius at a distance of 5700 light years. This object derives its name from its looped shape reminiscent of the Greek letter when the nebula is seen in a telescope. The gas cloud is unusual in that it does not appear to be illuminated by the bright stars that commonly found in emission nebulae such as this. However, the nebulosity is very bright, so the exciting stars must be hidden within the cloud, an idea confirmed by the infrared brightness of the nebula. As well as exciting the nebula we can see, the embedded stars heat the dust that surrounds them, so M17 is one of the brightest objects in the infrared sky. It is about 6000 light years distant

Adam Block

PIX4620160

Spiral galaxy NGC 7331 in Pegase - Spiral galaxy NGC 7331 in Pegasus: The galaxy NGC 7331 is located about 45 million light years away from Earth. Image obtained with the Hubble Space Telescope. NGC 7331 is located about 45 million light-years away in the constellation of Pegasus (The Winged Horse). Facing us partially edge-on, the galaxy showcases it's beautiful arms which swirl like a whirlpool around its bright central region. Astronomers took this image using Hubble's Wide Field Camera 3 (WFC3), as they were observing an extraordinary exploding star - a supernova - which can still be faintly seen as a tiny red dot near the galaxy's central yellow core. Named SN2014C, it rapidly evolved from a supernova containing very little Hydrogen to one that is Hydrogen-rich - in just one year. This rarely observed metamorphosis was luminous at high energies and provides unique insight into the poorly understood final phases of massive stars. NGC 7331 is similar in size, shape, and mass to the

Spiral galaxy NGC 7331 in Pegase - Spiral galaxy NGC 7331 in Pegasus: The galaxy NGC 7331 is located about 45 million light years away from Earth. Image obtained with the Hubble Space Telescope. NGC 7331 is located about 45 million light-years away in the constellation of Pegasus (The Winged Horse). Facing us partially edge-on, the galaxy showcases it's beautiful arms which swirl like a whirlpool around its bright central region. Astronomers took this image using Hubble's Wide Field Camera 3 (WFC3), as they were observing an extraordinary exploding star - a supernova - which can still be faintly seen as a tiny red dot near the galaxy's central yellow core. Named SN2014C, it rapidly evolved from a supernova containing very little Hydrogen to one that is Hydrogen-rich - in just one year. This rarely observed metamorphosis was luminous at high energies and provides unique insight into the poorly understood final phases of massive stars. NGC 7331 is similar in size, shape, and mass to the

PIX4613167

Spiral Galaxy M66 in the Lion - Spiral galaxy M66 in Leo - M66 (NGC 3627) is a spiral galaxy located at a distance of about 35 million years - light. M66, with its neighbors M65 and NGC 3628, forms a remarkable triplet of galaxies, called the Lion Triplet or the M66 Group. Image obtained by the Hubble Space Telescope. The unusual spiral galaxy, Messier 66, is located at a distance of about 35 million light - years in the constellation of Leo. Together with Messier 65 and NGC 3628, Messier 66 is one third of the Leo Triplet, a trio of interacting spiral galaxies, part of the larger Messier 66 group. Messier 66 wins out in size over its fellow triplets - - it is about 100 000 light - years across. Messier 66 is the proud owner of exclusive asymmetric spiral arms which seem to climb above the galaxy's main disc and an apparently displaced nucleus. This asymmetry is unusual; most often, dense waves of gas, dust and newly born stars wind about the galaxy's centre in a symmetric way. Astrono

Spiral Galaxy M66 in the Lion - Spiral galaxy M66 in Leo - M66 (NGC 3627) is a spiral galaxy located at a distance of about 35 million years - light. M66, with its neighbors M65 and NGC 3628, forms a remarkable triplet of galaxies, called the Lion Triplet or the M66 Group. Image obtained by the Hubble Space Telescope. The unusual spiral galaxy, Messier 66, is located at a distance of about 35 million light - years in the constellation of Leo. Together with Messier 65 and NGC 3628, Messier 66 is one third of the Leo Triplet, a trio of interacting spiral galaxies, part of the larger Messier 66 group. Messier 66 wins out in size over its fellow triplets - - it is about 100 000 light - years across. Messier 66 is the proud owner of exclusive asymmetric spiral arms which seem to climb above the galaxy's main disc and an apparently displaced nucleus. This asymmetry is unusual; most often, dense waves of gas, dust and newly born stars wind about the galaxy's centre in a symmetric way. Astrono

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Omega nebula (M17) in Sagittarius - The Omega nebula (M17) in Sagittarius - View of the Omega nebula (M17/NGC 6618) located in the constellation Sagittarius at a distance of 5700 light years. This object derives its name from its looped shape reminiscent of the Greek letter when the nebula is seen in a telescope. The gas cloud is unusual in that it does not appear to be illuminated by the bright stars that commonly found in emission nebulae such as this. However, the nebulosity is very bright, so the exciting stars must be hidden within the cloud, an idea confirmed by the infrared brightness of the nebula. As well as exciting the nebula we can see, the embedded stars heat the dust that surrounds them, so M17 is one of the brightest objects in the infrared sky. It is about 6000 light years distant

Omega nebula (M17) in Sagittarius - The Omega nebula (M17) in Sagittarius - View of the Omega nebula (M17/NGC 6618) located in the constellation Sagittarius at a distance of 5700 light years. This object derives its name from its looped shape reminiscent of the Greek letter when the nebula is seen in a telescope. The gas cloud is unusual in that it does not appear to be illuminated by the bright stars that commonly found in emission nebulae such as this. However, the nebulosity is very bright, so the exciting stars must be hidden within the cloud, an idea confirmed by the infrared brightness of the nebula. As well as exciting the nebula we can see, the embedded stars heat the dust that surrounds them, so M17 is one of the brightest objects in the infrared sky. It is about 6000 light years distant

PIX4620118

Remains of supernova des Voiles - detail - Pencil nebula - NGC 2736, the Pencil nebula in Vela - Detail of the rest of the supernova des Voiles: the nebula of the pencil (NGC 2736). The supernova exploded 12,000 years ago. The rest of the supernova is approximately 815 years away from Earth. Image obtained with Siding Spring's 3.9m telescope. This is an outlying wisp of the Vela supernova remnant (SNR), almost the only sign of the eastern part of this vast bubble of expanding shock wave from a stellar explosion 12,000 years ago. Although clearly detected with radio and X - ray telescopes, the Vela SNR is partially hidden to optical observers. Many fine, tangled filaments are seen in the western part of the nebula, but in the east, most of it is hidden in dust. This is one of the brighter eastern fragments, and its unusual linear appearance in the telescope was remarked on by Sir John Herschel who discovered to nebula in the 1840s. This spindly shape is the source of its popular name

Remains of supernova des Voiles - detail - Pencil nebula - NGC 2736, the Pencil nebula in Vela - Detail of the rest of the supernova des Voiles: the nebula of the pencil (NGC 2736). The supernova exploded 12,000 years ago. The rest of the supernova is approximately 815 years away from Earth. Image obtained with Siding Spring's 3.9m telescope. This is an outlying wisp of the Vela supernova remnant (SNR), almost the only sign of the eastern part of this vast bubble of expanding shock wave from a stellar explosion 12,000 years ago. Although clearly detected with radio and X - ray telescopes, the Vela SNR is partially hidden to optical observers. Many fine, tangled filaments are seen in the western part of the nebula, but in the east, most of it is hidden in dust. This is one of the brighter eastern fragments, and its unusual linear appearance in the telescope was remarked on by Sir John Herschel who discovered to nebula in the 1840s. This spindly shape is the source of its popular name

PIX4582828

Omega nebula (M17) in Sagittarius - The Omega nebula (M17) in Sagittarius - View of the Omega nebula (M17/NGC 6618) located in the constellation Sagittarius at a distance of 5700 light years. This object derives its name from its looped shape reminiscent of the Greek letter when the nebula is seen in a telescope. The gas cloud is unusual in that it does not appear to be illuminated by the bright stars that commonly found in emission nebulae such as this. However, the nebulosity is very bright, so the exciting stars must be hidden within the cloud, an idea confirmed by the infrared brightness of the nebula. As well as exciting the nebula we can see, the embedded stars heat the dust that surrounds them, so M17 is one of the brightest objects in the infrared sky. It is about 6000 light years distant

Omega nebula (M17) in Sagittarius - The Omega nebula (M17) in Sagittarius - View of the Omega nebula (M17/NGC 6618) located in the constellation Sagittarius at a distance of 5700 light years. This object derives its name from its looped shape reminiscent of the Greek letter when the nebula is seen in a telescope. The gas cloud is unusual in that it does not appear to be illuminated by the bright stars that commonly found in emission nebulae such as this. However, the nebulosity is very bright, so the exciting stars must be hidden within the cloud, an idea confirmed by the infrared brightness of the nebula. As well as exciting the nebula we can see, the embedded stars heat the dust that surrounds them, so M17 is one of the brightest objects in the infrared sky. It is about 6000 light years distant

PIX4620153

Constellations of Serpens and Ophiuchus - Constellations of Serpens and Ophiuchus - The constellation of Ophiuchus separates the constellation of the Serpent into two parts. Serpens, the Serpent, is an ancient constellation, unique in being formed from two separate sections, Serpens Caput (the head of the snake) to the west and Serpens Cauda (the tail) to the east. Between them lies the constellation of Ophiuchus, the serpent holder, who is usually identified with the ancient Greek physician Asclepius, around whose shoulders or staff a snake is draped. The stars in both parts of Serpens are mostly quite faint and a snake - like shape is hard to pick out in either section. Serpens Cauda is probably easier to locate since it occupies the dusty part of the Milky Way adjoining the brighter star clouds of Scutum and Aquila

Constellations of Serpens and Ophiuchus - Constellations of Serpens and Ophiuchus - The constellation of Ophiuchus separates the constellation of the Serpent into two parts. Serpens, the Serpent, is an ancient constellation, unique in being formed from two separate sections, Serpens Caput (the head of the snake) to the west and Serpens Cauda (the tail) to the east. Between them lies the constellation of Ophiuchus, the serpent holder, who is usually identified with the ancient Greek physician Asclepius, around whose shoulders or staff a snake is draped. The stars in both parts of Serpens are mostly quite faint and a snake - like shape is hard to pick out in either section. Serpens Cauda is probably easier to locate since it occupies the dusty part of the Milky Way adjoining the brighter star clouds of Scutum and Aquila

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Centre of the Milky Way Central Region - Center of the Milky Way: Central part of the lactee route seen in New Zealand. Planet Saturn is the bright white dot towards the center of the image (near the nebula of the pipe). The central part of our Milky Way photographed from New Zealand. Lots of emission and obscure nebulae are visible in the image. Planet Saturn in the bright white “” star”” close to the center of the image. A diffusing filter was used to enhance star color and general shape of the constellations.

Centre of the Milky Way Central Region - Center of the Milky Way: Central part of the lactee route seen in New Zealand. Planet Saturn is the bright white dot towards the center of the image (near the nebula of the pipe). The central part of our Milky Way photographed from New Zealand. Lots of emission and obscure nebulae are visible in the image. Planet Saturn in the bright white “” star”” close to the center of the image. A diffusing filter was used to enhance star color and general shape of the constellations.

Alex Conu

PIX4636541

Mars and Deimos - Illustration - Mars and Deimos - Illustration - Artist's view of Deimos, the smallest of Mars's two satellites. This is how Mars and its even smaller satellite Deimos might appear from a distance of about 100 miles from the surface of Deimos. Deimos is over Acidalia Planitia, an albedo feature that has been observed by Earth - bound astronomers since the 19th century. To the southwest are the fog - filled canyons of Valles Marineris, the westernmost of which are still in darkness. Beyond Mars, immediately to the left of its night side, is Phobos at a distance of 20,000 miles. The two bright objects in the lower left are the stars Beta Gruis and Al Nair in the southern constellation Grus. Like it's larger companion Phobos, Deimos does not possess enough mass to pull itself into a sphere; its shape instead is oblong with a length of about 10 miles and only 6 miles wide at its smallest dimension. Like Phobos, Deimos may be an asteroid long ago captured by Mars' gravity.

Mars and Deimos - Illustration - Mars and Deimos - Illustration - Artist's view of Deimos, the smallest of Mars's two satellites. This is how Mars and its even smaller satellite Deimos might appear from a distance of about 100 miles from the surface of Deimos. Deimos is over Acidalia Planitia, an albedo feature that has been observed by Earth - bound astronomers since the 19th century. To the southwest are the fog - filled canyons of Valles Marineris, the westernmost of which are still in darkness. Beyond Mars, immediately to the left of its night side, is Phobos at a distance of 20,000 miles. The two bright objects in the lower left are the stars Beta Gruis and Al Nair in the southern constellation Grus. Like it's larger companion Phobos, Deimos does not possess enough mass to pull itself into a sphere; its shape instead is oblong with a length of about 10 miles and only 6 miles wide at its smallest dimension. Like Phobos, Deimos may be an asteroid long ago captured by Mars' gravity.

Walter B Myers

PIX4616824

Spiral Galaxy M100 in Berenice's Hair - Spiral galaxy M100 in Coma Berenices - The spiral galaxy M100 is located about 60 million years ago - light from Earth. It belongs to the Virgin's galaxy cluster. Several dwarf elliptic galaxies are visible in this image, one just above M100 probably interacting. This image was obtained by Siding Spring's 3.9m telescope. In this deep image fainter galaxies appear. One seems to be involved with the faint outskirts of the large spiral. The somewhat distorted shape of the dwarf galaxy suggests it could be both influencing and being influenced by M100, and may be the cause of the asymmetry in the spiral arms. Nearby is an even fainter, elongated dwarf galaxy and elsewhere in the picture are several others, all probably members of the Virgo cluster, which spills over into the adjoining constellation of Coma Berenices

Spiral Galaxy M100 in Berenice's Hair - Spiral galaxy M100 in Coma Berenices - The spiral galaxy M100 is located about 60 million years ago - light from Earth. It belongs to the Virgin's galaxy cluster. Several dwarf elliptic galaxies are visible in this image, one just above M100 probably interacting. This image was obtained by Siding Spring's 3.9m telescope. In this deep image fainter galaxies appear. One seems to be involved with the faint outskirts of the large spiral. The somewhat distorted shape of the dwarf galaxy suggests it could be both influencing and being influenced by M100, and may be the cause of the asymmetry in the spiral arms. Nearby is an even fainter, elongated dwarf galaxy and elsewhere in the picture are several others, all probably members of the Virgo cluster, which spills over into the adjoining constellation of Coma Berenices

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Galaxy clusters Abell 370 - Abell 370 cluster of galaxies with gravitational arcs - This cluster contains a large number of galaxies, most of which are elliptical. A gravitational arc is visible at the bottom of the image. This is the deformed image of a galaxy farther away behind the cluster. This cluster hosts one of the most prominent gravitational arcs known to date. The light of a very remote object is deformed by the foreground cluster. Abell 370, at the center of the photo, contains a large number of galaxies - most of them are ellipticals. The two brightest red galaxies slightly above the gravitational arc are the most massive in the cluster and give an important contribution to the lensing event. This gravitational arc - in combination with the cluster of galaxies - provides a natural laboratory to study the physics of gravity. The exact shape of the arc allows to estimate the mass of the cluster through the equations of general relativity

Galaxy clusters Abell 370 - Abell 370 cluster of galaxies with gravitational arcs - This cluster contains a large number of galaxies, most of which are elliptical. A gravitational arc is visible at the bottom of the image. This is the deformed image of a galaxy farther away behind the cluster. This cluster hosts one of the most prominent gravitational arcs known to date. The light of a very remote object is deformed by the foreground cluster. Abell 370, at the center of the photo, contains a large number of galaxies - most of them are ellipticals. The two brightest red galaxies slightly above the gravitational arc are the most massive in the cluster and give an important contribution to the lensing event. This gravitational arc - in combination with the cluster of galaxies - provides a natural laboratory to study the physics of gravity. The exact shape of the arc allows to estimate the mass of the cluster through the equations of general relativity

PIX4565645

Exoplanete in formation - NGC 2547-ID8: Illustration of the collision between two asteroids in the habitable zone of the star NGC 2547-ID8. This could result in an accretion-forming rocky exoplanet. Planets, including those like our own Earth, form from epic collisions between asteroids and even bigger bodies, called proto-planets. Sometimes the colliding bodies are ground to dust, and sometimes they stick together to ultimately form larger, mature planets. This artist's conception shows one such smash-up. Spitzer's infrared vision detected a huge eruption around the star NGC 2547-ID8 between August 2012 and 2013. Scientists think the dust was kicked up by a massive collision between two large asteroids. They say the smashup took place in the star's “” terrestrial zone,””” the region around stars where rocky planets like Earth take shape. NGC 2547-ID8 is a sun-like star located about 1,200 light-years from Earth in the constellation Vela. It is about 35 million years old, the same age

Exoplanete in formation - NGC 2547-ID8: Illustration of the collision between two asteroids in the habitable zone of the star NGC 2547-ID8. This could result in an accretion-forming rocky exoplanet. Planets, including those like our own Earth, form from epic collisions between asteroids and even bigger bodies, called proto-planets. Sometimes the colliding bodies are ground to dust, and sometimes they stick together to ultimately form larger, mature planets. This artist's conception shows one such smash-up. Spitzer's infrared vision detected a huge eruption around the star NGC 2547-ID8 between August 2012 and 2013. Scientists think the dust was kicked up by a massive collision between two large asteroids. They say the smashup took place in the star's “” terrestrial zone,””” the region around stars where rocky planets like Earth take shape. NGC 2547-ID8 is a sun-like star located about 1,200 light-years from Earth in the constellation Vela. It is about 35 million years old, the same age

PIX4608473

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

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

PIX4610165

Galaxies UGC 1810 and UGC 1813 in Andromede - Galaxies UGC 1810 and UGC 1813 in Andromeda - These two interacting galaxies also called Arp 273 are located about 340 million years ago - light from Earth in the constellation Andromede. Image obtained by the Hubble Space Telescope (HST), December 17, 2010. These galaxies also cataloged as Arp 273 lie at a distance of about 340 million light - years. Their distorted appearance is due to gravitational tides as the pair engage in close encounters. The larger of the spiral galaxies, known as UGC 1810, has a disk that is distorted into a rose - like shape by the gravitational tidal pull of the companion galaxy below it, known as UGC 1813. This image is a composite of Hubble Wide Field Camera 3 data taken on December 17, 2010, with three separate filters that allow a broad range of wavelengths covering the ultraviolet, blue, and red portions of the spectrum

Galaxies UGC 1810 and UGC 1813 in Andromede - Galaxies UGC 1810 and UGC 1813 in Andromeda - These two interacting galaxies also called Arp 273 are located about 340 million years ago - light from Earth in the constellation Andromede. Image obtained by the Hubble Space Telescope (HST), December 17, 2010. These galaxies also cataloged as Arp 273 lie at a distance of about 340 million light - years. Their distorted appearance is due to gravitational tides as the pair engage in close encounters. The larger of the spiral galaxies, known as UGC 1810, has a disk that is distorted into a rose - like shape by the gravitational tidal pull of the companion galaxy below it, known as UGC 1813. This image is a composite of Hubble Wide Field Camera 3 data taken on December 17, 2010, with three separate filters that allow a broad range of wavelengths covering the ultraviolet, blue, and red portions of the spectrum

PIX4613762

Supernova 1987A before and after explosion - Supernova 1987A with precursor image overlaid - Image of the Supernova 1987A, obtained on March 8, 1987. The photo of the star Sanduleak - 69* 202, photographed two years ago. Images obtained with Siding Spring's 3.9m telescope. Supernova 1987A appeared in the constellation Doradus on February 23, 1987. The brightest star in the colour photograph is supernova 1987A, photographed with the AAT two months before it reached its maximum brightness. Superimposed in register on this image is a negative photograph of the region around the supernova copied from an AAT plate that was exposed in 1985, two years before the supernova was seen to explode. The precursor star appears to be a peculiar shape only because its image is blended with those of two other stars that happen to lie in the same line of sight. Many similar blended images can be seen in the colour photograph. However, it was soon found that the brighter of the three had exploded, and tha

Supernova 1987A before and after explosion - Supernova 1987A with precursor image overlaid - Image of the Supernova 1987A, obtained on March 8, 1987. The photo of the star Sanduleak - 69* 202, photographed two years ago. Images obtained with Siding Spring's 3.9m telescope. Supernova 1987A appeared in the constellation Doradus on February 23, 1987. The brightest star in the colour photograph is supernova 1987A, photographed with the AAT two months before it reached its maximum brightness. Superimposed in register on this image is a negative photograph of the region around the supernova copied from an AAT plate that was exposed in 1985, two years before the supernova was seen to explode. The precursor star appears to be a peculiar shape only because its image is blended with those of two other stars that happen to lie in the same line of sight. Many similar blended images can be seen in the colour photograph. However, it was soon found that the brighter of the three had exploded, and tha

PIX4582378

Centre of the Milky Way Central Region - Center of the Milky Way: Central part of the lactee route seen in New Zealand. Planet Saturn is the bright white dot towards the center of the image (near the nebula of the pipe). The central part of our Milky Way photographed from New Zealand. Lots of emission and obscure nebulae are visible in the image. Planet Saturn in the bright white “” star”” close to the center of the image. A diffusing filter was used to enhance star color and general shape of the constellations.

Centre of the Milky Way Central Region - Center of the Milky Way: Central part of the lactee route seen in New Zealand. Planet Saturn is the bright white dot towards the center of the image (near the nebula of the pipe). The central part of our Milky Way photographed from New Zealand. Lots of emission and obscure nebulae are visible in the image. Planet Saturn in the bright white “” star”” close to the center of the image. A diffusing filter was used to enhance star color and general shape of the constellations.

Alex Conu

PIX4636585

Constellations of Serpens and Ophiuchus - Constellations of Serpens and Ophiuchus - The constellation of Ophiuchus separates the constellation of the Serpent into two parts. Serpens, the Serpent, is an ancient constellation, unique in being formed from two separate sections, Serpens Caput (the head of the snake) to the west and Serpens Cauda (the tail) to the east. Between them lies the constellation of Ophiuchus, the serpent holder, who is usually identified with the ancient Greek physician Asclepius, around whose shoulders or staff a snake is draped. The stars in both parts of Serpens are mostly quite faint and a snake - like shape is hard to pick out in either section. Serpens Cauda is probably easier to locate since it occupies the dusty part of the Milky Way adjoining the brighter star clouds of Scutum and Aquila

Constellations of Serpens and Ophiuchus - Constellations of Serpens and Ophiuchus - The constellation of Ophiuchus separates the constellation of the Serpent into two parts. Serpens, the Serpent, is an ancient constellation, unique in being formed from two separate sections, Serpens Caput (the head of the snake) to the west and Serpens Cauda (the tail) to the east. Between them lies the constellation of Ophiuchus, the serpent holder, who is usually identified with the ancient Greek physician Asclepius, around whose shoulders or staff a snake is draped. The stars in both parts of Serpens are mostly quite faint and a snake - like shape is hard to pick out in either section. Serpens Cauda is probably easier to locate since it occupies the dusty part of the Milky Way adjoining the brighter star clouds of Scutum and Aquila

PIX4594009

The cluster of galaxies in Fornax - The cluster of galaxies in Fornax - The cluster of galaxies in the Furnace is located about 55 million years away from Earth. This image shows only a detail of the cluster. Lower right, the barred spiral galaxy NGC 1365

The cluster of galaxies in Fornax - The cluster of galaxies in Fornax - The cluster of galaxies in the Furnace is located about 55 million years away from Earth. This image shows only a detail of the cluster. Lower right, the barred spiral galaxy NGC 1365

PIX4565382

Galaxy ESO 99 - 4 - Galaxy ESO 99 - 4 - The special galaxy ESO 99 - 4 is about 400 million light years away from Earth in the constellation of the Southern Triangle. Its tormented shape suggests that it has absorbed another galaxy. Image obtained by the Hubble Space Telescope on April 13, 2002. ESO 99 - 4 is a galaxy with a highly peculiar shape that is probably the remnant of an earlier merger process that has deformed it beyond visual recognition, leaving the main body largely obscured by dark bands of dust. ESO 99 - 4 lies in a rich field of foreground stars, in the constellation of Triangulum Australe, the Southern Triangle, about 400 million light - years away. Image taken by the Hubble space telescope on April 13, 2002

Galaxy ESO 99 - 4 - Galaxy ESO 99 - 4 - The special galaxy ESO 99 - 4 is about 400 million light years away from Earth in the constellation of the Southern Triangle. Its tormented shape suggests that it has absorbed another galaxy. Image obtained by the Hubble Space Telescope on April 13, 2002. ESO 99 - 4 is a galaxy with a highly peculiar shape that is probably the remnant of an earlier merger process that has deformed it beyond visual recognition, leaving the main body largely obscured by dark bands of dust. ESO 99 - 4 lies in a rich field of foreground stars, in the constellation of Triangulum Australe, the Southern Triangle, about 400 million light - years away. Image taken by the Hubble space telescope on April 13, 2002

PIX4613664

Galaxies NGC 3718 in the Great Bear - Galaxy NGC 3718 in Ursa Major - NGC 3718 (Arp 214) is a special galaxy located about 42 million years ago - light from the Earth in the constellation Big Bear. It's an active nucleus galaxy. Its tormented form is probably due to the attraction exerted by another galaxy, NGC 3729 (off-field). On the right, Arp 322 (or Hickson 56), is a group of 5 galaxies far farther away, located about 300 million years from Earth. NGC 3718 (Arp 214) seems to have a rudimentary bar and spiral structure although it is recognized as a peculiar galaxy and as such is listed within ARP's Atlas of Peculiar Galaxies. NGC 3718 contains an active galactic nucleus (AGN) and is known as a Seyfert type 1.9 galaxy. Its strange shape is probably due to a gravitational interaction with its companion NGC 3729 (out of field). A grouping of 5 background galaxies 300 million light years distant are projected at right of NGC 3718 and are designated Arp 322 (also Hickson 56). Several m

Galaxies NGC 3718 in the Great Bear - Galaxy NGC 3718 in Ursa Major - NGC 3718 (Arp 214) is a special galaxy located about 42 million years ago - light from the Earth in the constellation Big Bear. It's an active nucleus galaxy. Its tormented form is probably due to the attraction exerted by another galaxy, NGC 3729 (off-field). On the right, Arp 322 (or Hickson 56), is a group of 5 galaxies far farther away, located about 300 million years from Earth. NGC 3718 (Arp 214) seems to have a rudimentary bar and spiral structure although it is recognized as a peculiar galaxy and as such is listed within ARP's Atlas of Peculiar Galaxies. NGC 3718 contains an active galactic nucleus (AGN) and is known as a Seyfert type 1.9 galaxy. Its strange shape is probably due to a gravitational interaction with its companion NGC 3729 (out of field). A grouping of 5 background galaxies 300 million light years distant are projected at right of NGC 3718 and are designated Arp 322 (also Hickson 56). Several m

Jim Misti

PIX4610955

Galaxies NGC 3718 and NGC 3729 in Ursa Major

Galaxies NGC 3718 and NGC 3729 in Ursa Major

Adam Block

PIX4610936

Spiral Galaxy M51 in Hunting Dogs and Supernova - The Whirlpool Galaxy (M51) in Canes Venatici with SN 2005cs - The spiral galaxy M51 (NGC 5194) is located about 37 million years ago - light from Earth. This galaxy is double; two galaxies interact: the largest, NGC 5194, the smallest NGC 5195. On June 28, 2005 a supernova of type II appeared in M51; this supernova (SN 2005cs) is visible just under the nucleus, in the first arm. Image obtained with two telescopes of 50 cm and 30 cm, composite of several poses. The Whirlpool Galaxy lies approximately 31 million light years from earth. This spectacular galaxy is paired with a smaller, more distant companion whose matter is being disrupted by the larger spiral in a gravitational tug of war. Eventually, the shape of both will be altered over many more millions of years. On June 28, 2005, a new star was noticed in this galaxy. It was confirmed to be a bright supernova, one of the brightest in recent years and similar to the brightest superno

Spiral Galaxy M51 in Hunting Dogs and Supernova - The Whirlpool Galaxy (M51) in Canes Venatici with SN 2005cs - The spiral galaxy M51 (NGC 5194) is located about 37 million years ago - light from Earth. This galaxy is double; two galaxies interact: the largest, NGC 5194, the smallest NGC 5195. On June 28, 2005 a supernova of type II appeared in M51; this supernova (SN 2005cs) is visible just under the nucleus, in the first arm. Image obtained with two telescopes of 50 cm and 30 cm, composite of several poses. The Whirlpool Galaxy lies approximately 31 million light years from earth. This spectacular galaxy is paired with a smaller, more distant companion whose matter is being disrupted by the larger spiral in a gravitational tug of war. Eventually, the shape of both will be altered over many more millions of years. On June 28, 2005, a new star was noticed in this galaxy. It was confirmed to be a bright supernova, one of the brightest in recent years and similar to the brightest superno

R. Jay GaBany

PIX4612380

Horsehead Nebula (B33) in Orion - Horsehead nebula in Orion - The horse head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emission nebula about 1500 years - light of the Earth in the constellation Orion. Lower left is the reflexion nebula, NGC 2023. This curious dark nebula is one of the best - known images in astronomy, probably because of its chance likeness to a recognisable form. The horse - head shape is an extension of a large cloud of dust which fills the lower part (east) of the picture and hides the light of stars beyond. The outer surface of the dusty gas (IC 434) runs roughly north - south and is illuminated by sigma Orionis (off the top of the picture) which causes the hydrogen there to fluoresce, outlining the horse - head shape. The diffuse haze to the left of the image (north) is scattered light from the bright star zeta Orionis. Though conspicuous here, the Horsehead is very difficult to see visually, even with a large telescope. A bright star is

Horsehead Nebula (B33) in Orion - Horsehead nebula in Orion - The horse head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emission nebula about 1500 years - light of the Earth in the constellation Orion. Lower left is the reflexion nebula, NGC 2023. This curious dark nebula is one of the best - known images in astronomy, probably because of its chance likeness to a recognisable form. The horse - head shape is an extension of a large cloud of dust which fills the lower part (east) of the picture and hides the light of stars beyond. The outer surface of the dusty gas (IC 434) runs roughly north - south and is illuminated by sigma Orionis (off the top of the picture) which causes the hydrogen there to fluoresce, outlining the horse - head shape. The diffuse haze to the left of the image (north) is scattered light from the bright star zeta Orionis. Though conspicuous here, the Horsehead is very difficult to see visually, even with a large telescope. A bright star is

PIX4622095

Horsehead Nebula (B33) in Orion - Horsehead nebula in Orion - The horse head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emission nebula about 1500 years - light of the Earth in the constellation Orion. Lower left is the reflexion nebula, NGC 2023. This curious dark nebula is one of the best - known images in astronomy, probably because of its chance likeness to a recognisable form. The horse - head shape is an extension of a large cloud of dust which fills the lower part (east) of the picture and hides the light of stars beyond. The outer surface of the dusty gas (IC 434) runs roughly north - south and is illuminated by sigma Orionis (off the top of the picture) which causes the hydrogen there to fluoresce, outlining the horse - head shape. The diffuse haze to the left of the image (north) is scattered light from the bright star zeta Orionis. Though conspicuous here, the Horsehead is very difficult to see visually, even with a large telescope. A bright star is

Horsehead Nebula (B33) in Orion - Horsehead nebula in Orion - The horse head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emission nebula about 1500 years - light of the Earth in the constellation Orion. Lower left is the reflexion nebula, NGC 2023. This curious dark nebula is one of the best - known images in astronomy, probably because of its chance likeness to a recognisable form. The horse - head shape is an extension of a large cloud of dust which fills the lower part (east) of the picture and hides the light of stars beyond. The outer surface of the dusty gas (IC 434) runs roughly north - south and is illuminated by sigma Orionis (off the top of the picture) which causes the hydrogen there to fluoresce, outlining the horse - head shape. The diffuse haze to the left of the image (north) is scattered light from the bright star zeta Orionis. Though conspicuous here, the Horsehead is very difficult to see visually, even with a large telescope. A bright star is

PIX4622023

Galaxies NGC 3718 and NGC 3729 in the Great Bear - Galaxies NGC 3718 and NGC 3729 in Ursa Major - NGC 3718 is a special galaxy located about 42 million years ago - light from Earth in the constellation of the Great Bear. It's an active nucleus galaxy. Its tormented shape is probably due to the attraction exerted by another galaxy, NGC 3729, visible to its left. To the south, Arp 322 (or Hickson 56), is a group of 5 galaxies far farther away, located about 300 million light years away from Earth. NGC 3718 and its companion NGC 3729 (left) are physically related members of the Ursa Major galaxy cluster. The two galaxies appear to orbit each other at a projected separation of 147,000 light years. NGC 3718 (Arp 214) seems to have a rudimentary bar and spiral structure although it is recognized as a peculiar galaxy and as such is listed within ARP's Atlas of Peculiar Galaxies. NGC 3718 contains an active galactic nucleus (AGN) and is known as a Seyfert type 1.9 galaxy. Its strange shape is

Galaxies NGC 3718 and NGC 3729 in the Great Bear - Galaxies NGC 3718 and NGC 3729 in Ursa Major - NGC 3718 is a special galaxy located about 42 million years ago - light from Earth in the constellation of the Great Bear. It's an active nucleus galaxy. Its tormented shape is probably due to the attraction exerted by another galaxy, NGC 3729, visible to its left. To the south, Arp 322 (or Hickson 56), is a group of 5 galaxies far farther away, located about 300 million light years away from Earth. NGC 3718 and its companion NGC 3729 (left) are physically related members of the Ursa Major galaxy cluster. The two galaxies appear to orbit each other at a projected separation of 147,000 light years. NGC 3718 (Arp 214) seems to have a rudimentary bar and spiral structure although it is recognized as a peculiar galaxy and as such is listed within ARP's Atlas of Peculiar Galaxies. NGC 3718 contains an active galactic nucleus (AGN) and is known as a Seyfert type 1.9 galaxy. Its strange shape is

R. Gendler

PIX4610948

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

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

PIX4611784

Galaxy NGC 4650A in Centaurus - Galaxy NGC 4650A in Centaurus - The polar ring galaxy NGC 4650A is located about 130 million years away from Earth. The host galaxy is surrounded by a polar ring shaped like gas and stars. This type of galaxy is rarely observed. This image was obtained by the ANTU telescope of the VLT in 1998. This is a colour photo from the VLT that shows NGC 4650A, a member of the so - called Centaurus chain of galaxies in the southern constellation of that name. NGC 4650A is a complex system that is located at a distance of about 130 million light - years. There are two main components, a lenticular - shaped galaxy (of type S0), surrounded by a knotty extended ring - like distribution of stars, dust and gas, almost perpendicular to each other. The stars in the central, structureless region and the material (stars, gas, and dust) in the outer disk rotate in two different planes that are almost perpendicular to each other. The observed motions indicate the presence of a

Galaxy NGC 4650A in Centaurus - Galaxy NGC 4650A in Centaurus - The polar ring galaxy NGC 4650A is located about 130 million years away from Earth. The host galaxy is surrounded by a polar ring shaped like gas and stars. This type of galaxy is rarely observed. This image was obtained by the ANTU telescope of the VLT in 1998. This is a colour photo from the VLT that shows NGC 4650A, a member of the so - called Centaurus chain of galaxies in the southern constellation of that name. NGC 4650A is a complex system that is located at a distance of about 130 million light - years. There are two main components, a lenticular - shaped galaxy (of type S0), surrounded by a knotty extended ring - like distribution of stars, dust and gas, almost perpendicular to each other. The stars in the central, structureless region and the material (stars, gas, and dust) in the outer disk rotate in two different planes that are almost perpendicular to each other. The observed motions indicate the presence of a

PIX4611774

Concrete Landing Platform for Airplanes at Puxieux (Each Strip About 50 ft. Wide by 250 ft. Long), Altitude 15,000 ft., Puxieux, August 23, 1918 (gelatin silver print)

Concrete Landing Platform for Airplanes at Puxieux (Each Strip About 50 ft. Wide by 250 ft. Long), Altitude 15,000 ft., Puxieux, August 23, 1918 (gelatin silver print)

Steichen, Edward (1879-1973)

INC2971343

Colliding spiral galaxies NGC 2207 and IC 2163 - Colliding galaxies NGC 2207 and IC 2163 - The galaxies NGC 2207 (left) and IC 2163 (right) form a pair of colliding galaxies approximately 114 million light years away. Currently IC 2163 is moving away from NGC 2207, but it is likely that within several billion years these two galaxies will eventually merge into a single massive galaxy. Image obtained by the Hubble Space Telescope in 1998. The larger and more massive galaxy is cataloged as NGC 2207 (on the left in the Hubble Heritage image), and the smaller one on the right is IC 2163. Strong tidal forces from NGC 2207 have distorted the shape of IC 2163, flinging out stars and gas into long streamers stretching out a hundred thousand light - years towards the right - hand edge of the image. The calculations indicate that IC 2163 is swinging past NGC 2207 in a counterclockwise direction, having made its closest approach 40 million years ago. However, IC 2163 does not have sufficient ener

Colliding spiral galaxies NGC 2207 and IC 2163 - Colliding galaxies NGC 2207 and IC 2163 - The galaxies NGC 2207 (left) and IC 2163 (right) form a pair of colliding galaxies approximately 114 million light years away. Currently IC 2163 is moving away from NGC 2207, but it is likely that within several billion years these two galaxies will eventually merge into a single massive galaxy. Image obtained by the Hubble Space Telescope in 1998. The larger and more massive galaxy is cataloged as NGC 2207 (on the left in the Hubble Heritage image), and the smaller one on the right is IC 2163. Strong tidal forces from NGC 2207 have distorted the shape of IC 2163, flinging out stars and gas into long streamers stretching out a hundred thousand light - years towards the right - hand edge of the image. The calculations indicate that IC 2163 is swinging past NGC 2207 in a counterclockwise direction, having made its closest approach 40 million years ago. However, IC 2163 does not have sufficient ener

PIX4610001

Constellation of the Southern Cross - The Southern Cross - The Southern Cross and the Alpha and Beta stars of Centaurus. Crux, the Southern Cross, is the smallest constellation in the sky yet one of the most distinctive, at least to those of us who live in the southern hemisphere. It was once part of Centaurus, where the bright stars Acrux and Mimosa could easly be imagined as the rear hooves of the rearing mythical centaur. However, when Christian sailors began to explore southwards in the 16th century, this memorable asterism took on a new significance. The cross appears on the national flags of several southern hemisphere countries, including Australia, though it can be seen on the southern horizon from the tropic of Cancer, 23.5 degrees north of the equator. Along with the Southern Cross is a very distinctive dark shape known as the Coalsack, much used by southern hemisphere astronomers as an indicator of a dark sky, especially if the sixth magnitude star embedded in it is visible.

Constellation of the Southern Cross - The Southern Cross - The Southern Cross and the Alpha and Beta stars of Centaurus. Crux, the Southern Cross, is the smallest constellation in the sky yet one of the most distinctive, at least to those of us who live in the southern hemisphere. It was once part of Centaurus, where the bright stars Acrux and Mimosa could easly be imagined as the rear hooves of the rearing mythical centaur. However, when Christian sailors began to explore southwards in the 16th century, this memorable asterism took on a new significance. The cross appears on the national flags of several southern hemisphere countries, including Australia, though it can be seen on the southern horizon from the tropic of Cancer, 23.5 degrees north of the equator. Along with the Southern Cross is a very distinctive dark shape known as the Coalsack, much used by southern hemisphere astronomers as an indicator of a dark sky, especially if the sixth magnitude star embedded in it is visible.

PIX4590268

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