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The cluster of galaxies in Fornax - The cluster of galaxies in Fornax - clusters of galaxies situated about 55 million years ago - light. In the center of the image is the barree spiral galaxy NGC 1365; at the bottom right of the image, the interaction galaxy NGC 1316 - 17 (Fornax A), which is one of the strongest known radiosource. Galaxies can be separated by their appearance into two broad groups, spirals and ellipticals. An example of a spiral galaxy, NGC 1365, is seen in center of this picture. In contrast, most of the galaxies in this cluster are ellipticals, which contain little or no gas or evidence of star formation; indeed they are composed millions of rather old, yellowish stars. Unlike many of the stars in spiral systems, those in ellipticals have orbits which are not confined to a narrow plane, so the galaxy can have a shape anywhere between a perfect sphere and an American football. This kind of galaxy is the most common type in the photograph as it is in all of the nearb

The cluster of galaxies in Fornax - The cluster of galaxies in Fornax - clusters of galaxies situated about 55 million years ago - light. In the center of the image is the barree spiral galaxy NGC 1365; at the bottom right of the image, the interaction galaxy NGC 1316 - 17 (Fornax A), which is one of the strongest known radiosource. Galaxies can be separated by their appearance into two broad groups, spirals and ellipticals. An example of a spiral galaxy, NGC 1365, is seen in center of this picture. In contrast, most of the galaxies in this cluster are ellipticals, which contain little or no gas or evidence of star formation; indeed they are composed millions of rather old, yellowish stars. Unlike many of the stars in spiral systems, those in ellipticals have orbits which are not confined to a narrow plane, so the galaxy can have a shape anywhere between a perfect sphere and an American football. This kind of galaxy is the most common type in the photograph as it is in all of the nearb

PIX4565370

Globular cluster NGC 6397 in the Altar - Stars in globular cluster NGC 6397 in Ara - Image of the center of the globular cluster NGC 6397 located 8200 years - light in the southern constellation of the Altar. The density of stars is very important, the stars are distant from each other only a few weeks light (the star closest to our Sun is four years away - light). Sometimes a collision between two stars occurs; they merge into a single, young, bright and warm star called a blue straggler; some of these stars are visible near the center of the image. This Hubble Space Telescope view of the core of one of the nearest globular star clusters, called NGC 6397, located 8,200 light - years away in the constellation Ara. The stellar density is about a million times greater than in our Sun's stellar neighborhood. The stars are only a few light - weeks apart, while the nearest star to our Sun is over four light - years away. The ancient stars are so crowded together that a few of them inevitabl

Globular cluster NGC 6397 in the Altar - Stars in globular cluster NGC 6397 in Ara - Image of the center of the globular cluster NGC 6397 located 8200 years - light in the southern constellation of the Altar. The density of stars is very important, the stars are distant from each other only a few weeks light (the star closest to our Sun is four years away - light). Sometimes a collision between two stars occurs; they merge into a single, young, bright and warm star called a blue straggler; some of these stars are visible near the center of the image. This Hubble Space Telescope view of the core of one of the nearest globular star clusters, called NGC 6397, located 8,200 light - years away in the constellation Ara. The stellar density is about a million times greater than in our Sun's stellar neighborhood. The stars are only a few light - weeks apart, while the nearest star to our Sun is over four light - years away. The ancient stars are so crowded together that a few of them inevitabl

PIX4564803

Constellations of the Compsole, Stern, Sails, and Carene - Constellations Pyxis, Puppis, Vela and Carina - These constellations of the southern hemisphere once formed the ancient constellation of Ship Argo. Also visible is the constellation of Flying Fish. This large constellation was one of the 48 constellations described by the ancient astronomer Ptolemy in his Almagest. It is the ship which Argus built for Jason and his crew, the Argonauts, to carry them on their quest for the Golden Fleece. In the 18th century the French astronomer Lacaille divded it into three smaller constellations, Carina the Keel, Puppis the Stern or Poop, and Vela the Sail

Constellations of the Compsole, Stern, Sails, and Carene - Constellations Pyxis, Puppis, Vela and Carina - These constellations of the southern hemisphere once formed the ancient constellation of Ship Argo. Also visible is the constellation of Flying Fish. This large constellation was one of the 48 constellations described by the ancient astronomer Ptolemy in his Almagest. It is the ship which Argus built for Jason and his crew, the Argonauts, to carry them on their quest for the Golden Fleece. In the 18th century the French astronomer Lacaille divded it into three smaller constellations, Carina the Keel, Puppis the Stern or Poop, and Vela the Sail

Christopher Picking

PIX4589206

Interacting galaxies in the Austral Fish - Interacting galaxies in Piscis Austrinus - The galaxies NGC 7173 (middle left), NGC 7174 (middle right) and NGC 7176 (bottom right) photographed here by the Hubble Space Telescope (HST), belong to a cluster of galaxies called Hickson Compact Group 90 (HCG 90), located about 100 million years ago lights in the constellation of Southern Fish. NGC 7173 and NGC 7176 are two elliptical galaxies while NGC 7174 is a spiral galaxy deformed by the gravitational forces exerted by its neighbors. The three pictured galaxies - - NGC 7173 (middle left), NCG 7174 (middle right) and NGC 7176 (lower right) - - are part of the Hickson Compact Group 90, named after astronomer Paul Hickson, who first catalogued these small clusters of galaxies in the 1980s. NGC 7173 and NGC 7176 appear to be smooth, normal elliptical galaxies without much gas and dust. In stark contrast, NGC 7174 is a mangled spiral galaxy, barely clinging to independent existence as it is ripped

Interacting galaxies in the Austral Fish - Interacting galaxies in Piscis Austrinus - The galaxies NGC 7173 (middle left), NGC 7174 (middle right) and NGC 7176 (bottom right) photographed here by the Hubble Space Telescope (HST), belong to a cluster of galaxies called Hickson Compact Group 90 (HCG 90), located about 100 million years ago lights in the constellation of Southern Fish. NGC 7173 and NGC 7176 are two elliptical galaxies while NGC 7174 is a spiral galaxy deformed by the gravitational forces exerted by its neighbors. The three pictured galaxies - - NGC 7173 (middle left), NCG 7174 (middle right) and NGC 7176 (lower right) - - are part of the Hickson Compact Group 90, named after astronomer Paul Hickson, who first catalogued these small clusters of galaxies in the 1980s. NGC 7173 and NGC 7176 appear to be smooth, normal elliptical galaxies without much gas and dust. In stark contrast, NGC 7174 is a mangled spiral galaxy, barely clinging to independent existence as it is ripped

PIX4613098

GOODS Chandra Deep Field South (CDF - S) - Image of distant galaxies obtained by the Hubble space telescope in the constellation of the furnace. Several thousand galaxies, some of which are more than 10 billion light years old, are visible in this image. Some closer galaxies also appear, including two colliding galaxies (middle left). This image is a detail (1/10th) of the complete field observed by Hubble (which contains about 25,000 galaxies) in the framework of the GOODS programme, an extensive program of study of primordial galaxies in a field of the Boreal Constellation of the Great Bear and in a field of the southern hemisphere in the constellation of the furnace. This image, taken with Hubble's Advanced Camera for Surveys, shows several thousand galaxies, many of which appear to be interacting or in the process of forming. Some of these galaxies existed when the cosmos was less than about 2 billion years old. The foreground galaxies, however, are much closer to Earth. Two of the

GOODS Chandra Deep Field South (CDF - S) - Image of distant galaxies obtained by the Hubble space telescope in the constellation of the furnace. Several thousand galaxies, some of which are more than 10 billion light years old, are visible in this image. Some closer galaxies also appear, including two colliding galaxies (middle left). This image is a detail (1/10th) of the complete field observed by Hubble (which contains about 25,000 galaxies) in the framework of the GOODS programme, an extensive program of study of primordial galaxies in a field of the Boreal Constellation of the Great Bear and in a field of the southern hemisphere in the constellation of the furnace. This image, taken with Hubble's Advanced Camera for Surveys, shows several thousand galaxies, many of which appear to be interacting or in the process of forming. Some of these galaxies existed when the cosmos was less than about 2 billion years old. The foreground galaxies, however, are much closer to Earth. Two of the

PIX4613775

The Sun and Moon on Cerro Armazones - Sun and Moon on Cerro Armazones - 360-degree panorama showing the meteorological station at the top of Cerro Armazones. This 3060-metre mountain in Chile will host the giant telescope E - ELT (European Extremely Large Telescope). The construction of this 42-metre telescope is expected to start at the end of 2010 and will be inaugurated around 2018. Its main mirror will consist of 906 hexagonal mirrors assembled together, and its total surface will be equal to that of a football field. This sunset 360 degree panorama shows the ESO Astronomical Site Monitor on Cerro Armazones in the Chilean desert, near Eso's Paranal Observatory, site of the Very Large Telescope (VLT). Cerro Armazones was chosen as the site for the planned European Extremely Large Telescope (E - ELT), which, with its 42 - metre diameter mirror, will be the world's biggest eye on the sky

The Sun and Moon on Cerro Armazones - Sun and Moon on Cerro Armazones - 360-degree panorama showing the meteorological station at the top of Cerro Armazones. This 3060-metre mountain in Chile will host the giant telescope E - ELT (European Extremely Large Telescope). The construction of this 42-metre telescope is expected to start at the end of 2010 and will be inaugurated around 2018. Its main mirror will consist of 906 hexagonal mirrors assembled together, and its total surface will be equal to that of a football field. This sunset 360 degree panorama shows the ESO Astronomical Site Monitor on Cerro Armazones in the Chilean desert, near Eso's Paranal Observatory, site of the Very Large Telescope (VLT). Cerro Armazones was chosen as the site for the planned European Extremely Large Telescope (E - ELT), which, with its 42 - metre diameter mirror, will be the world's biggest eye on the sky

Serge Brunier

PIX4653005

World map showing north and south poles, from 'Geografia Tavole moderne di Geografia de la maggior parte del mondo...', 1545-72 (engraving)

World map showing north and south poles, from 'Geografia Tavole moderne di Geografia de la maggior parte del mondo...', 1545-72 (engraving)

Italian School, (16th century)

RGS252461

Centaur Omega globular cluster - The globular cluster Omega Centauri NGC 5139 - Located 17,000 years ago - light from Earth in the southern constellation of Centaur, Omega Centauri contains several million stars and is one of the oldest objects in our galaxy. Omega Centauri is a globular cluster of stars seen in the contellation of Centaurus and is located about 17,000 light - years from Earth. It is one of the oldest object of our galaxy and contains several million stars

Centaur Omega globular cluster - The globular cluster Omega Centauri NGC 5139 - Located 17,000 years ago - light from Earth in the southern constellation of Centaur, Omega Centauri contains several million stars and is one of the oldest objects in our galaxy. Omega Centauri is a globular cluster of stars seen in the contellation of Centaurus and is located about 17,000 light - years from Earth. It is one of the oldest object of our galaxy and contains several million stars

W. Promper

PIX4564399

Comete McNaught (C/2006 P1) - Comete McNaught (C/2006 P1) - View of Comete McNaught obtained on January 24, 2007 from Stonehenge - Aotearoa, North Island, New Zealand. Stonehenge - Aotearoa, North Island, New Zealand. 24 Jan 2007

Comete McNaught (C/2006 P1) - Comete McNaught (C/2006 P1) - View of Comete McNaught obtained on January 24, 2007 from Stonehenge - Aotearoa, North Island, New Zealand. Stonehenge - Aotearoa, North Island, New Zealand. 24 Jan 2007

Christopher Picking

PIX4570509

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

Centaur Omega globular cluster - NGC 5139 Omega Centauri globular cluster - Located 17,000 years ago - light from Earth in the southern constellation of Centaur, Omega Centaur contains several million stars and is one of the older objects in our galaxy. The globular cluster Omega Centauri - - with as many as ten million stars - - is seen in all its splendour in this image captured with the WFI camera from Eso's La Silla Observatory. The image shows only the central part of the cluster - - about the size of the full moon on the sky (half a degree). North is up, East is to the left. This colour image is a composite of B, V and I filtered images. Note that because WFI is equipped with a mosaic detector, there are two small gaps in the image which were filled with lower quality data from the Digitized Sky Survey. Containing millions of stars, this globular cluster is located roughly 17,000 light - years from Earth in the constellation of Centaurus. Omega Centauri is about 150 light - years

Centaur Omega globular cluster - NGC 5139 Omega Centauri globular cluster - Located 17,000 years ago - light from Earth in the southern constellation of Centaur, Omega Centaur contains several million stars and is one of the older objects in our galaxy. The globular cluster Omega Centauri - - with as many as ten million stars - - is seen in all its splendour in this image captured with the WFI camera from Eso's La Silla Observatory. The image shows only the central part of the cluster - - about the size of the full moon on the sky (half a degree). North is up, East is to the left. This colour image is a composite of B, V and I filtered images. Note that because WFI is equipped with a mosaic detector, there are two small gaps in the image which were filled with lower quality data from the Digitized Sky Survey. Containing millions of stars, this globular cluster is located roughly 17,000 light - years from Earth in the constellation of Centaurus. Omega Centauri is about 150 light - years

PIX4564443

Las Campanas Observatory - Telescope Magellan - Las Campanas Observatory - The domes of the Magellan telescopes of 6.5 meters in diameter. The 6.5 meter Magellan twin telescopes in Las Campanas observatory, Chile

Las Campanas Observatory - Telescope Magellan - Las Campanas Observatory - The domes of the Magellan telescopes of 6.5 meters in diameter. The 6.5 meter Magellan twin telescopes in Las Campanas observatory, Chile

Alex Tudorica

PIX4654208

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

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

PIX4571842

Constellation of the Ship Argo - Constellation of Argo Navis - Constellation of the Ship Argo from the Uranographia of Hevelius. Recolorized image. Vessel Argo is a missing constellation; the astronomer Nicolas - Louis de Lacaille divided it in the 1750s into three smaller constellations: the Carene, the Poupe and the Voiles. Map showing the constellation of Argo Navis with its mythological form from “” Uranographia”” star atlas by Hevelius (1690). Recolored image. Argo Navis (or simply Argo) was a large constellation in the southern sky that has since been divided into three constellations (Carina, Puppis and Vela)

Constellation of the Ship Argo - Constellation of Argo Navis - Constellation of the Ship Argo from the Uranographia of Hevelius. Recolorized image. Vessel Argo is a missing constellation; the astronomer Nicolas - Louis de Lacaille divided it in the 1750s into three smaller constellations: the Carene, the Poupe and the Voiles. Map showing the constellation of Argo Navis with its mythological form from “” Uranographia”” star atlas by Hevelius (1690). Recolored image. Argo Navis (or simply Argo) was a large constellation in the southern sky that has since been divided into three constellations (Carina, Puppis and Vela)

Sebastien Beaucourt

PIX4594538

Old open cluster NGC 2818 and planetary nebula NGC 2818A - Old Open cluster NGC 2818 and planetary nebula in Pyxis - The open cluster NGC 2818 in the southern constellation of the Compsole is distinguished by the fact that most of its bright stars have already become supernovae; this indicates that this cluster must be very old, perhaps a billion years. It has a planetary nebula, NGC 2818A, a star at the end of life. These objects are located approximately 10,000 light years away from Earth. The open cluster NGC 2818 is not very conspicuous because most of the brilliant, massive stars that normally distinguish such groupings have vanished as supernovae, indicating that the cluster is quite mature. The massive stars dominating the scene in young clusters leaving the fainter, long - lived stars behind. Eventually, they too come to the end of their lives, throwing off their outer layers as planetary nebulae. This one, identified as NGC 2818A, is particularly graceful, and its existence su

Old open cluster NGC 2818 and planetary nebula NGC 2818A - Old Open cluster NGC 2818 and planetary nebula in Pyxis - The open cluster NGC 2818 in the southern constellation of the Compsole is distinguished by the fact that most of its bright stars have already become supernovae; this indicates that this cluster must be very old, perhaps a billion years. It has a planetary nebula, NGC 2818A, a star at the end of life. These objects are located approximately 10,000 light years away from Earth. The open cluster NGC 2818 is not very conspicuous because most of the brilliant, massive stars that normally distinguish such groupings have vanished as supernovae, indicating that the cluster is quite mature. The massive stars dominating the scene in young clusters leaving the fainter, long - lived stars behind. Eventually, they too come to the end of their lives, throwing off their outer layers as planetary nebulae. This one, identified as NGC 2818A, is particularly graceful, and its existence su

PIX4622981

Constellation of the Sculptor - Constellation of Sculptor - Mirror of Urania by Jehoshaphat Aspin 1825 Recolorise by us Urania's Mirror, by Jehoshaphat Aspin, 1825. Recolored

Constellation of the Sculptor - Constellation of Sculptor - Mirror of Urania by Jehoshaphat Aspin 1825 Recolorise by us Urania's Mirror, by Jehoshaphat Aspin, 1825. Recolored

PIX4593973

Galaxies NGC 5090 - NGC 5091 in Centaurus - Interacting galaxies NGC 5090 - 5091 in Centaurus - NGC 5090 is an elliptical galaxy and NGC 5091 a spiral galaxy. These two galaxies interact and lie about 150 million light years away from Earth. This image was obtained by the ANTU telescope of the VLT on March 29, 1999. NGC 5090 is an elliptical galaxy interacting with the spiral galaxy NGC 5091. Both are located at about 150 million light - years away. Image taken with ANTU telescope (VLT) on March 29, 1999

Galaxies NGC 5090 - NGC 5091 in Centaurus - Interacting galaxies NGC 5090 - 5091 in Centaurus - NGC 5090 is an elliptical galaxy and NGC 5091 a spiral galaxy. These two galaxies interact and lie about 150 million light years away from Earth. This image was obtained by the ANTU telescope of the VLT on March 29, 1999. NGC 5090 is an elliptical galaxy interacting with the spiral galaxy NGC 5091. Both are located at about 150 million light - years away. Image taken with ANTU telescope (VLT) on March 29, 1999

PIX4612149

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

Stars - The Southern Cross - Alpha and Beta of Centaur - Southern Cross and pointers - Star trails - Because of the Earth's rotation, leaving the camera open, the stars advance towards the background of the sky. During the installation, gradually changing the focal length of the lens, the stars spread out and reveal their true color. Here, the constellation of the Southern Cross and the Alpha and Beta stars of the Centaurus, on the left, are photographed this way during a 40mn pose. Star images are point sources of light of widely varying intensity. Normally, no single photographic exposure on colour film can capture their subtle colours. Those stars whose intensity is just right for their colour to be recorded appear insignificant on the photograph, while anything brighter is overexposed and washed out. By changing the focus of the lens during a star trail exposure, star images are spread out over the film surface. This effectively changes the amount of light in each star image as wel

Stars - The Southern Cross - Alpha and Beta of Centaur - Southern Cross and pointers - Star trails - Because of the Earth's rotation, leaving the camera open, the stars advance towards the background of the sky. During the installation, gradually changing the focal length of the lens, the stars spread out and reveal their true color. Here, the constellation of the Southern Cross and the Alpha and Beta stars of the Centaurus, on the left, are photographed this way during a 40mn pose. Star images are point sources of light of widely varying intensity. Normally, no single photographic exposure on colour film can capture their subtle colours. Those stars whose intensity is just right for their colour to be recorded appear insignificant on the photograph, while anything brighter is overexposed and washed out. By changing the focus of the lens during a star trail exposure, star images are spread out over the film surface. This effectively changes the amount of light in each star image as wel

PIX4581409

The Moon under the Scorpio - Moon under constellation of Scorpius - The Moon near the horizon is red by the dust of the Namibian desert. Above, the lactee path in the Scorpio. A reddish Moon caused by dust of Namibian desert near horizon. Above, milky way in Scorpius

The Moon under the Scorpio - Moon under constellation of Scorpius - The Moon near the horizon is red by the dust of the Namibian desert. Above, the lactee path in the Scorpio. A reddish Moon caused by dust of Namibian desert near horizon. Above, milky way in Scorpius

Sebastian Voltmer

PIX4578132

Spiral galaxy NGC 6744 in the constellation Peacock - Spiral galaxy NGC 6744 in Pavo - The galaxy NGC 6744 is about 25 million years away - light from Earth. Image obtained from the 3.9m telescope of Siding Spring, Australia. This beautiful galaxy is about 25 million light years away in the direction of Pavo, a constellation of the southern hemisphere winter. It sits in a rich starfield, and is strongly inclined to our line of sight. NGC 6744 is believed to one of the most Milky Way - like of all the nearby spirals, with fluffy (flocculent) spiral arms and a large and distinctly elongated nucleus. It also has other similarities to the Milky Way that are not visible here with at least one distorted companion galaxy superficially similar to one of the Magellanic Clouds

Spiral galaxy NGC 6744 in the constellation Peacock - Spiral galaxy NGC 6744 in Pavo - The galaxy NGC 6744 is about 25 million years away - light from Earth. Image obtained from the 3.9m telescope of Siding Spring, Australia. This beautiful galaxy is about 25 million light years away in the direction of Pavo, a constellation of the southern hemisphere winter. It sits in a rich starfield, and is strongly inclined to our line of sight. NGC 6744 is believed to one of the most Milky Way - like of all the nearby spirals, with fluffy (flocculent) spiral arms and a large and distinctly elongated nucleus. It also has other similarities to the Milky Way that are not visible here with at least one distorted companion galaxy superficially similar to one of the Magellanic Clouds

PIX4612996

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

Centaur Omega globular cluster - NGC 5139 Omega Centauri globular cluster - Visible to the naked eye in the southern hemisphere, Centaurus Omega is the most massive globular cluster in the galaxy. About 17,000 light years ago, millions of stars nearly 12 billion years old are concentrated here. 4-hour installation with a telescope 40 cm diameter. NGC 5139 is the largest and most spectacular globular cluster in the entire night sky, and the largest in our galaxy. At 36 arc minutes, Omega Centauri is larger than the full moon in apparent size. It is located about 17,000 light years away from our Sun and at 4th magnitude, is easily visible without a telescope as a “” star”” in the constellation of Centaurus. Total Exposure 4 Hours with a 14.5”” RCOS telescope

Centaur Omega globular cluster - NGC 5139 Omega Centauri globular cluster - Visible to the naked eye in the southern hemisphere, Centaurus Omega is the most massive globular cluster in the galaxy. About 17,000 light years ago, millions of stars nearly 12 billion years old are concentrated here. 4-hour installation with a telescope 40 cm diameter. NGC 5139 is the largest and most spectacular globular cluster in the entire night sky, and the largest in our galaxy. At 36 arc minutes, Omega Centauri is larger than the full moon in apparent size. It is located about 17,000 light years away from our Sun and at 4th magnitude, is easily visible without a telescope as a “” star”” in the constellation of Centaurus. Total Exposure 4 Hours with a 14.5”” RCOS telescope

R. Gendler

PIX4564432

Southern cross and Coal Sack nebula - The coal bag located near the Southern Cross is a molecular cloud of a high concentration of gas and dust that absorbs almost all the visible light emitted by the stars in the background. The Coal Sack is a large dark patch lying in very rich star field of the milky way. It is a dark nebula, an interstellar dust cloud obscuring the light of the stars behind it

Southern cross and Coal Sack nebula - The coal bag located near the Southern Cross is a molecular cloud of a high concentration of gas and dust that absorbs almost all the visible light emitted by the stars in the background. The Coal Sack is a large dark patch lying in very rich star field of the milky way. It is a dark nebula, an interstellar dust cloud obscuring the light of the stars behind it

Stephane Guisard

PIX4590270

Las Campanas Observatory - Las Campanas Observatory - Circumpolar on the Las Campanas Observatory, Chile. The dome of the 1 meter Henrietta Swope telescope. Circumpolar above the 1 meter Swope telescope in Las Campanas observatory, Chile

Las Campanas Observatory - Las Campanas Observatory - Circumpolar on the Las Campanas Observatory, Chile. The dome of the 1 meter Henrietta Swope telescope. Circumpolar above the 1 meter Swope telescope in Las Campanas observatory, Chile

Alex Tudorica

PIX4654082

Constellations of Dove and Lievre - Constellations of Columba and Lepus - Constellations of Dove (near the horizon) and Lievre (above). The bright star on the left is Sirius. Columba (originally Columba Noachi, Noah's dove) is seen here low on the horizon and easily found between Sirius and Canopus - - if you live in the southern hemisphere. It is one of the smaller and less obvious constellations, with an area of 270 square degrees. Lepus (the Hare) is about the same size as Columba and rather more obvious to the eye, lying to the south of Orion. It is one of Ptolemy's 48 constellations preserved to this day

Constellations of Dove and Lievre - Constellations of Columba and Lepus - Constellations of Dove (near the horizon) and Lievre (above). The bright star on the left is Sirius. Columba (originally Columba Noachi, Noah's dove) is seen here low on the horizon and easily found between Sirius and Canopus - - if you live in the southern hemisphere. It is one of the smaller and less obvious constellations, with an area of 270 square degrees. Lepus (the Hare) is about the same size as Columba and rather more obvious to the eye, lying to the south of Orion. It is one of Ptolemy's 48 constellations preserved to this day

PIX4590027

Constellations of the Southern Cross and the Fly - Constellations of the Southern Cross and Musc

Constellations of the Southern Cross and the Fly - Constellations of the Southern Cross and Musc

Serge Brunier

PIX4590147

Stars - The Southern Cross - Alpha and Beta of Centaur - Southern Cross and pointers - Star trails - Because of the Earth's rotation, leaving the camera open, the stars advance towards the background of the sky. During the installation, gradually changing the focal length of the lens, the stars spread out and reveal their true color. Here it is the constellation of the Southern Cross (center right) and the Centaurus Alpha and Beta stars, in the center below, that are photographed in this way during a 30-minute pose. Star images are point sources of light of widely varying intensity. Normally, no single photographic exposure on colour film can capture their subtle colours. Those stars whose intensity is just right for their colour to be recorded appear insignificant on the photograph, while anything brighter is overexposed and washed out. By changing the focus of the lens during a star trail exposure, star images are spread out over the film surface. This effectively changes the amount

Stars - The Southern Cross - Alpha and Beta of Centaur - Southern Cross and pointers - Star trails - Because of the Earth's rotation, leaving the camera open, the stars advance towards the background of the sky. During the installation, gradually changing the focal length of the lens, the stars spread out and reveal their true color. Here it is the constellation of the Southern Cross (center right) and the Centaurus Alpha and Beta stars, in the center below, that are photographed in this way during a 30-minute pose. Star images are point sources of light of widely varying intensity. Normally, no single photographic exposure on colour film can capture their subtle colours. Those stars whose intensity is just right for their colour to be recorded appear insignificant on the photograph, while anything brighter is overexposed and washed out. By changing the focus of the lens during a star trail exposure, star images are spread out over the film surface. This effectively changes the amount

PIX4581418

Comete McNaught (C/2006 P1) - Comete McNaught (C/2006 P1) - View of Comete McNaught obtained on January 24, 2007 from Stonehenge - Aotearoa, North Island, New Zealand. Stonehenge - Aotearoa, North Island, New Zealand. 24 Jan 2007

Comete McNaught (C/2006 P1) - Comete McNaught (C/2006 P1) - View of Comete McNaught obtained on January 24, 2007 from Stonehenge - Aotearoa, North Island, New Zealand. Stonehenge - Aotearoa, North Island, New Zealand. 24 Jan 2007

Christopher Picking

PIX4570520

Spiral Galaxy M83 in Hydra - Spiral galaxy M83 in Hydra - The galaxy M83 (NGC 5236) is located about 15 million years away from Earth. This galaxy is intermediate between a classic spiral and a barree spiral. Image obtained by the 2.2m ESO/MPG telescope of La Silla in Chile. M83 (NGC 5236) is located in the southern constellation Hydra at 15 million light years from the sun. It is classified as intermediate between normal and barred spiral galaxies. Colour - composite image made using data from the Wide Field Imager on the ESO/MPG 2.2 - m telescope at La Silla. The WFI stared at M83 for four periods of 25 minutes through different filters (B, V, R, Halpha)

Spiral Galaxy M83 in Hydra - Spiral galaxy M83 in Hydra - The galaxy M83 (NGC 5236) is located about 15 million years away from Earth. This galaxy is intermediate between a classic spiral and a barree spiral. Image obtained by the 2.2m ESO/MPG telescope of La Silla in Chile. M83 (NGC 5236) is located in the southern constellation Hydra at 15 million light years from the sun. It is classified as intermediate between normal and barred spiral galaxies. Colour - composite image made using data from the Wide Field Imager on the ESO/MPG 2.2 - m telescope at La Silla. The WFI stared at M83 for four periods of 25 minutes through different filters (B, V, R, Halpha)

PIX4612524

Nebula IC 2220 in the Carene - A mass - loss star in IC 2220 - This nebula is illuminated by a giant red star, the star HD 65670. Image obtained by Siding Spring's 3.9m telescope. The bright, supergiant star at the centre of this nebula is known only by its catalog designation, HD 65750. The nebulosity around the star is the result of light reflected by dust surrounding it. The dust is thought to consist mainly of particles of silica condensed from material which the star is losing from its distended surface at a fairly steady rate. The rate of mass loss is much higher than in normal stars and is sufficient to produce the reflection nebula IC 2220. The stellar nature of the central object is revealed by the four diffraction spikes extending from it. These are artifacts due to structures within the telescope. The light from the star has also produced the annular halation ring (a photographic artefact) that ornaments the nebula. These features, real or otherwise, have provoked the name '

Nebula IC 2220 in the Carene - A mass - loss star in IC 2220 - This nebula is illuminated by a giant red star, the star HD 65670. Image obtained by Siding Spring's 3.9m telescope. The bright, supergiant star at the centre of this nebula is known only by its catalog designation, HD 65750. The nebulosity around the star is the result of light reflected by dust surrounding it. The dust is thought to consist mainly of particles of silica condensed from material which the star is losing from its distended surface at a fairly steady rate. The rate of mass loss is much higher than in normal stars and is sufficient to produce the reflection nebula IC 2220. The stellar nature of the central object is revealed by the four diffraction spikes extending from it. These are artifacts due to structures within the telescope. The light from the star has also produced the annular halation ring (a photographic artefact) that ornaments the nebula. These features, real or otherwise, have provoked the name '

PIX4622497

Cup and Raven Constellations - Cup and Raven Constellations extracted from Hevelius Uranographia. Recolorised image. Map showing the constellations of Crater and Corvus with their mythological forms from “” Uranographia”” star atlas by Hevelius (1690). Recolored Image

Cup and Raven Constellations - Cup and Raven Constellations extracted from Hevelius Uranographia. Recolorised image. Map showing the constellations of Crater and Corvus with their mythological forms from “” Uranographia”” star atlas by Hevelius (1690). Recolored Image

Sebastien Beaucourt

PIX4590099

Star formation in the nebula NGC 2467 - Star - forming region NGC 2467 - Star formation in the nebula NGC 2467, located approximately 17,000 years ago - light from Earth in the southern constellation of Stern. Image obtained by the Hubble Space Telescope in 2004. A colourful star - forming region is featured in this stunning new NASA/ESA Hubble Space Telescope image of NGC 2467. Looking like a roiling cauldron of some exotic cosmic brew, huge clouds of gas and dust are sprinkled with bright blue, hot young stars. Strangely shaped dust clouds, resembling spilled liquids, are silhouetted against a colourful background of glowing. Like the familiar Orion Nebula, NGC 2467 is a huge cloud of gas - - mostly hydrogen - - that serves as an incubator for new stars. It is located about 17,000 light years away in the southern constellation of Puppis. This picture was created from images taken with the Wide Field Channel of the Advanced Camera for Surveys through three different filters (F550M, F6

Star formation in the nebula NGC 2467 - Star - forming region NGC 2467 - Star formation in the nebula NGC 2467, located approximately 17,000 years ago - light from Earth in the southern constellation of Stern. Image obtained by the Hubble Space Telescope in 2004. A colourful star - forming region is featured in this stunning new NASA/ESA Hubble Space Telescope image of NGC 2467. Looking like a roiling cauldron of some exotic cosmic brew, huge clouds of gas and dust are sprinkled with bright blue, hot young stars. Strangely shaped dust clouds, resembling spilled liquids, are silhouetted against a colourful background of glowing. Like the familiar Orion Nebula, NGC 2467 is a huge cloud of gas - - mostly hydrogen - - that serves as an incubator for new stars. It is located about 17,000 light years away in the southern constellation of Puppis. This picture was created from images taken with the Wide Field Channel of the Advanced Camera for Surveys through three different filters (F550M, F6

PIX4618845

Nebula IC 2948 in Centaur - Bok's cells - A group of Bok globules in IC 2948 - View of a detail of nebula IC 2948 in the center Centaur on Bok's cells. A Bok's blood cell is a dark interstellar cloud of gases and dust that absorb light. If it condenses enough, it gives birth to new stars. The dark spots in the picture are not photographic defects but an unusual type of interstellar cloud known as a Bok globule. Bok globules, named after astronomer Bart Bok who studied them extensively, are small dark clouds made of gas and dust that are typically condensing to form a star or stars. These Bok globules are located at a distance of about 6000 light years near IC 2944 cluster in the emission nebula IC 2948

Nebula IC 2948 in Centaur - Bok's cells - A group of Bok globules in IC 2948 - View of a detail of nebula IC 2948 in the center Centaur on Bok's cells. A Bok's blood cell is a dark interstellar cloud of gases and dust that absorb light. If it condenses enough, it gives birth to new stars. The dark spots in the picture are not photographic defects but an unusual type of interstellar cloud known as a Bok globule. Bok globules, named after astronomer Bart Bok who studied them extensively, are small dark clouds made of gas and dust that are typically condensing to form a star or stars. These Bok globules are located at a distance of about 6000 light years near IC 2944 cluster in the emission nebula IC 2948

PIX4622532

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 older stars known today. At the top right of the image, part of the galaxy of the Little Magellan Cloud; under NGC 104, a small globular cluster, NGC 121. Discovered by Abbe Nicholas Louis de Lacaille on September 14, 1751. NGC 104, better known as 47 Tucanae, is the second largest and second brightest globular cluster in the skies, outshone only by another southern globular, Omega Centauri (NGC 5139). As its name “” 47 Tucanae”” indicates, this object was first cataloged as a star and numbered the 47th in Tucana. Although a conspicuous naked - eye object, it is situated so much south at its declination of - 72 deg, that it was not discovered as a deepsky object before 1751, when Abbe Lacaille cataloged it in his li

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 older stars known today. At the top right of the image, part of the galaxy of the Little Magellan Cloud; under NGC 104, a small globular cluster, NGC 121. Discovered by Abbe Nicholas Louis de Lacaille on September 14, 1751. NGC 104, better known as 47 Tucanae, is the second largest and second brightest globular cluster in the skies, outshone only by another southern globular, Omega Centauri (NGC 5139). As its name “” 47 Tucanae”” indicates, this object was first cataloged as a star and numbered the 47th in Tucana. Although a conspicuous naked - eye object, it is situated so much south at its declination of - 72 deg, that it was not discovered as a deepsky object before 1751, when Abbe Lacaille cataloged it in his li

Tom Davis

PIX4564326

Interacting spiral galaxy NGC 1532 in Eridan - Interacting galaxy NGC 1532 in Eridanus - The spiral galaxy NGC 1532 is located about 70 million light years ago in the southern constellation of Eridan. It interacts with a dwarf galaxy, NGC 1531, visible just above it, which it will absorb in a few million years. Image obtained from the 1.5m Danish telescope of La Silla in Chile. NGC 1532, the large distorted spiral is in the process of cannibalizing the dwarf elliptical NGC 1531. The process takes millions of years. Large galaxies like our Milky Way typically engulf smaller galaxies, incorporating their stars and gas over millions of years into the larger galactic structure. These galaxies are located 70 million light years away in southern constellation of Eridanus. This image was made at the danish 1.5 meter telescope in La Silla, Chile

Interacting spiral galaxy NGC 1532 in Eridan - Interacting galaxy NGC 1532 in Eridanus - The spiral galaxy NGC 1532 is located about 70 million light years ago in the southern constellation of Eridan. It interacts with a dwarf galaxy, NGC 1531, visible just above it, which it will absorb in a few million years. Image obtained from the 1.5m Danish telescope of La Silla in Chile. NGC 1532, the large distorted spiral is in the process of cannibalizing the dwarf elliptical NGC 1531. The process takes millions of years. Large galaxies like our Milky Way typically engulf smaller galaxies, incorporating their stars and gas over millions of years into the larger galactic structure. These galaxies are located 70 million light years away in southern constellation of Eridanus. This image was made at the danish 1.5 meter telescope in La Silla, Chile

PIX4609897

Barree spiral galaxy NGC 6744 in the constellation Peacock - Barred spiral galaxy NGC 6744 in Pavo - The galaxy NGC 6744 is located about 25 million years ago - light from Earth. Image obtained from the 3.9m telescope of Siding Spring, Australia. This beautiful galaxy is about 25 million light years away in the direction of Pavo, a constellation of the southern hemisphere winter. It sits in a rich starfield, and is strongly inclined to our line of sight. NGC 6744 is believed to one of the most Milky Way - like of all the nearby spirals, with fluffy (flocculent) spiral arms and a large and distinctly elongated nucleus. It also has other similarities to the Milky Way that are not visible here with at least one distorted companion galaxy superficially similar to one of the Magellanic Clouds

Barree spiral galaxy NGC 6744 in the constellation Peacock - Barred spiral galaxy NGC 6744 in Pavo - The galaxy NGC 6744 is located about 25 million years ago - light from Earth. Image obtained from the 3.9m telescope of Siding Spring, Australia. This beautiful galaxy is about 25 million light years away in the direction of Pavo, a constellation of the southern hemisphere winter. It sits in a rich starfield, and is strongly inclined to our line of sight. NGC 6744 is believed to one of the most Milky Way - like of all the nearby spirals, with fluffy (flocculent) spiral arms and a large and distinctly elongated nucleus. It also has other similarities to the Milky Way that are not visible here with at least one distorted companion galaxy superficially similar to one of the Magellanic Clouds

PIX4612966

Total eclipse of Moon and binary star (photo)

Total eclipse of Moon and binary star (photo)

Sebastian Voltmer

PIX6333929

Galaxy clusters 1ES 0657 - 55 in the Carene - Gravitational lens in galaxy cluster 1ES 0657 - 55 - False color image of the distant galaxy cluster 1ES 0657 - 55 in the southern constellation of Carene obtained by the VLT. A gravitational mirage is visible in the form of a green arc at the top right of the image; it is the image of an even farther away galaxy curved and amplified by the gravity of this cluster. An Arc at z = 3.23 in galaxy cluster 1ES 0657 - 55. The galaxy cluster 1ES 0657 - 55 is located in the southern constellation Carina (The Keel), south of the Milky Way band. Its redshift has been measured as z = 0.29. It is a source of strong and very hot X - ray emission and has an asymmetric galaxy distribution, indicating a large mass and recent formation

Galaxy clusters 1ES 0657 - 55 in the Carene - Gravitational lens in galaxy cluster 1ES 0657 - 55 - False color image of the distant galaxy cluster 1ES 0657 - 55 in the southern constellation of Carene obtained by the VLT. A gravitational mirage is visible in the form of a green arc at the top right of the image; it is the image of an even farther away galaxy curved and amplified by the gravity of this cluster. An Arc at z = 3.23 in galaxy cluster 1ES 0657 - 55. The galaxy cluster 1ES 0657 - 55 is located in the southern constellation Carina (The Keel), south of the Milky Way band. Its redshift has been measured as z = 0.29. It is a source of strong and very hot X - ray emission and has an asymmetric galaxy distribution, indicating a large mass and recent formation

PIX4565630

La comete Siding Spring - september 2014 - Comet Siding Spring - september 2014 - La comete C/2013 A1 Siding Spring near the globular cluster 47 Toucan, seen September 1, 2014. Comet Siding Spring C/2013 A1 passing 47 Tucanae seen on september 1st 2014

La comete Siding Spring - september 2014 - Comet Siding Spring - september 2014 - La comete C/2013 A1 Siding Spring near the globular cluster 47 Toucan, seen September 1, 2014. Comet Siding Spring C/2013 A1 passing 47 Tucanae seen on september 1st 2014

Sebastian Voltmer

PIX4571284

Constellations of the Compsole and the Great Dog - Constellations of Pyxis and Canis Major - Constellation of the Compsole, near the horizon, and constellation of the Great Dog with the brilliant star Sirius. Pyxis, the Mariner's Compasse was originally Pyxis Nauticus and refers to the magnetic compasset. It is a small, insignificant arrangement of faint stars surrounded by much more eyecatching patterns of stars. Pyxis was once part of the very large constellation Argo Navis, the ship Argo, which carried Jason and the Argonauts. Argo Navis is now obsolete, but it was listed in Ptolemy's star catalogue, the Almagest. When the constellation boundaries were defined by the International Astronomical Union in the 1930s it was the only one of Ptolemy's 48 constellations that was not accepted. Instead, it was divided into the four constellations introduced by the French cleric and astronomer Nicolas de Lacaille in the 1750s: Carina, the keel, Puppis the stern, Vela the sails, and Pyxis. La C

Constellations of the Compsole and the Great Dog - Constellations of Pyxis and Canis Major - Constellation of the Compsole, near the horizon, and constellation of the Great Dog with the brilliant star Sirius. Pyxis, the Mariner's Compasse was originally Pyxis Nauticus and refers to the magnetic compasset. It is a small, insignificant arrangement of faint stars surrounded by much more eyecatching patterns of stars. Pyxis was once part of the very large constellation Argo Navis, the ship Argo, which carried Jason and the Argonauts. Argo Navis is now obsolete, but it was listed in Ptolemy's star catalogue, the Almagest. When the constellation boundaries were defined by the International Astronomical Union in the 1930s it was the only one of Ptolemy's 48 constellations that was not accepted. Instead, it was divided into the four constellations introduced by the French cleric and astronomer Nicolas de Lacaille in the 1750s: Carina, the keel, Puppis the stern, Vela the sails, and Pyxis. La C

PIX4589256

Dark nebula and globular cluster NGC 4372 - Dark nebula and globular cluster NGC 4372 - HMSTG 436 is a molecular cloud visible near the globular cluster NGC 4372 (on the right, above the bright star Gamma Musca) in the southern constellation of the Fly. HMSTG 436 is a linear molecular cloud in the southern constellation Musca, the fly. It is easily found by targeting the globular cluster NGC 4372, visible at right, above the bright star gamma Musca

Dark nebula and globular cluster NGC 4372 - Dark nebula and globular cluster NGC 4372 - HMSTG 436 is a molecular cloud visible near the globular cluster NGC 4372 (on the right, above the bright star Gamma Musca) in the southern constellation of the Fly. HMSTG 436 is a linear molecular cloud in the southern constellation Musca, the fly. It is easily found by targeting the globular cluster NGC 4372, visible at right, above the bright star gamma Musca

Tom Davis

PIX4621162

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

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

PIX4612521

Circumpolar - hemisphere sud - Circumpolar star trails above native Bolivian huts - Lake Titicaca, 1997. Circumpolar star trails mark the south celestial pole as they circle above native Bolivian mud huts on the shore of Lake Titicaca

Circumpolar - hemisphere sud - Circumpolar star trails above native Bolivian huts - Lake Titicaca, 1997. Circumpolar star trails mark the south celestial pole as they circle above native Bolivian mud huts on the shore of Lake Titicaca

F.Espenak

PIX4581135

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

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

PIX4613806

Field of distant galaxies - Hubble eXtreme Deep Field (XDF) - Distant galaxies - Hubble eXtreme Deep Field (XDF) - Image of distant galaxies obtained in infrared by the Hubble space telescope in the constellation of the Furnace. The farthest galaxies visible in this image are 13.2 billion light years away. Called the Extreme Deep Field, or XDF, the photo was assembled by combining 10 years of NASA Hubble Space Telescope photographs taken of a patch of sky at the center of the original Hubble Ultra Deep Field. The XDF is a small fraction of the angular diameter of the full Moon. The Hubble Ultra Deep Field is an image of a small area of space in the constellation Fornax, created using Hubble Space Telescope data from 2003 and 2004. By collecting faint light over many hours of observation, it revealed thousands of galaxies, both nearby and very distant, making it the deepest image of the universe ever taken at that time. The new full - color XDF image reaches much fainter galaxies, and i

Field of distant galaxies - Hubble eXtreme Deep Field (XDF) - Distant galaxies - Hubble eXtreme Deep Field (XDF) - Image of distant galaxies obtained in infrared by the Hubble space telescope in the constellation of the Furnace. The farthest galaxies visible in this image are 13.2 billion light years away. Called the Extreme Deep Field, or XDF, the photo was assembled by combining 10 years of NASA Hubble Space Telescope photographs taken of a patch of sky at the center of the original Hubble Ultra Deep Field. The XDF is a small fraction of the angular diameter of the full Moon. The Hubble Ultra Deep Field is an image of a small area of space in the constellation Fornax, created using Hubble Space Telescope data from 2003 and 2004. By collecting faint light over many hours of observation, it revealed thousands of galaxies, both nearby and very distant, making it the deepest image of the universe ever taken at that time. The new full - color XDF image reaches much fainter galaxies, and i

PIX4613831

Spiral galaxy NGC 1792 in Dove - Spiral galaxy NGC 1792 in Columba - NGC 1792 is located in the southern constellation Dove. Image obtained by the VLT in December 2001 NGC 1792 is located in the southern constellation Columba (The Dove). It is a starburst spiral galaxy. Its optical appearance is quite chaotic, due to the patchy distribution of dust throughout the disc of this galaxy. It is very rich in neutral hydrogen gas - fuel for the formation of new stars - and is indeed rapidly forming such stars. The galaxy is characterized by unusually luminous far - infrared radiation; this is due to dust heated by young stars. Image taken on 16 - 18 December 2001 with the VLT

Spiral galaxy NGC 1792 in Dove - Spiral galaxy NGC 1792 in Columba - NGC 1792 is located in the southern constellation Dove. Image obtained by the VLT in December 2001 NGC 1792 is located in the southern constellation Columba (The Dove). It is a starburst spiral galaxy. Its optical appearance is quite chaotic, due to the patchy distribution of dust throughout the disc of this galaxy. It is very rich in neutral hydrogen gas - fuel for the formation of new stars - and is indeed rapidly forming such stars. The galaxy is characterized by unusually luminous far - infrared radiation; this is due to dust heated by young stars. Image taken on 16 - 18 December 2001 with the VLT

PIX4609960

Nebula NGC 3372 in the Carene - The Carina nebula, NGC 3372 - The Carene nebula is located about 7000 years from the Earth. It is home to many hot stars, including the star Eta Carinae in the centre of the nebula. Image obtained by Siding Spring's 3.9m telescope. The brightest part of the Milky Way, as seen by the unaided eye, lies in the southern constellation Carina. Here there are an unusually large number of young, hot stars. Their radiation is rich in energetic ultraviolet light. Many of these stars were born within the spectacular Carinae nebula, seen here. The nebula is a cloud of glowing gas composed mostly of hydrogen. It excited by ultrviolet light from the embedded stars. This dostictive emission radiation is responsible for the red colour. About a quarter of the nebula is made of helium gas, the second most abundant element in the universe after hydrogen, and all the other chemical elements account for only a few percent of the total mass. The brightest star in the nebula i

Nebula NGC 3372 in the Carene - The Carina nebula, NGC 3372 - The Carene nebula is located about 7000 years from the Earth. It is home to many hot stars, including the star Eta Carinae in the centre of the nebula. Image obtained by Siding Spring's 3.9m telescope. The brightest part of the Milky Way, as seen by the unaided eye, lies in the southern constellation Carina. Here there are an unusually large number of young, hot stars. Their radiation is rich in energetic ultraviolet light. Many of these stars were born within the spectacular Carinae nebula, seen here. The nebula is a cloud of glowing gas composed mostly of hydrogen. It excited by ultrviolet light from the embedded stars. This dostictive emission radiation is responsible for the red colour. About a quarter of the nebula is made of helium gas, the second most abundant element in the universe after hydrogen, and all the other chemical elements account for only a few percent of the total mass. The brightest star in the nebula i

PIX4618887

Nebulae NGC 3603 and NGC 3576 in Carene - NGC 3576 and 3603 in Carina - NGC 3576 (right) is located about 7000 years - light from Earth; NGC 3603 (left) is twice as far away. These two nebulae are located in the constellation Carene. Image obtained by Siding Spring's 3.9m telescope. These two star - formation regions appear side by side in the sky and seem to be linked as parts of an extensive nebula. However, the apparent intimacy is line - of - sight effect because these two objects are at quite different distances from the Sun. The curious looped nebula NGC 3576 is about 7000 light years from us while its neighbour NGC 3603 is more than twice as far away. That NGC 3603 is the more distant is confirmed by its colour, which is a ruddier red than the pinkish hue of NGC 3576. The change in colour is due to absorption of the blue - light component of the nebulosity by dust particles in the much longer line of sight. This effect is known as interstellar reddening, though it would be bette

Nebulae NGC 3603 and NGC 3576 in Carene - NGC 3576 and 3603 in Carina - NGC 3576 (right) is located about 7000 years - light from Earth; NGC 3603 (left) is twice as far away. These two nebulae are located in the constellation Carene. Image obtained by Siding Spring's 3.9m telescope. These two star - formation regions appear side by side in the sky and seem to be linked as parts of an extensive nebula. However, the apparent intimacy is line - of - sight effect because these two objects are at quite different distances from the Sun. The curious looped nebula NGC 3576 is about 7000 light years from us while its neighbour NGC 3603 is more than twice as far away. That NGC 3603 is the more distant is confirmed by its colour, which is a ruddier red than the pinkish hue of NGC 3576. The change in colour is due to absorption of the blue - light component of the nebulosity by dust particles in the much longer line of sight. This effect is known as interstellar reddening, though it would be bette

PIX4619201

Sky Star - Starry night - Pacific Coast, Chile, February 2008. Pacific coast, Chile, february 2008

Sky Star - Starry night - Pacific Coast, Chile, February 2008. Pacific coast, Chile, february 2008

Stephane Guisard

PIX4592900

Constellation of the Southern Cross - Constellation Crux. The Southern Cross - The Southern Cross with Beta and Alpha Centaurus left. Image obtained from New Zealand. 'Crux', being Latin for 'cross', commonly known as the' Southern Cross' (in contrast to the Cygnus (constellation) Northern Cross), is the smallest of the 88 modern constellations, but nevertheless one of the most distinctive. It is surrounded on three sides by the constellation Centaurus while to the south lies the 'Fly' (Musca). Crux was originally thought of by ancient Greeks as part of Centaurus, but was defined as a separate asterism in the 16th Century after Amerigo Vespucci's expedition to South America in 1501. Vespucci mapped the two stars, Alpha Centauri and Beta Centauri as well as the stars of the Crux. Although these stars were known to the ancient Greeks, gradual precession had lowered them below the European skyline so that they were forgotten

Constellation of the Southern Cross - Constellation Crux. The Southern Cross - The Southern Cross with Beta and Alpha Centaurus left. Image obtained from New Zealand. 'Crux', being Latin for 'cross', commonly known as the' Southern Cross' (in contrast to the Cygnus (constellation) Northern Cross), is the smallest of the 88 modern constellations, but nevertheless one of the most distinctive. It is surrounded on three sides by the constellation Centaurus while to the south lies the 'Fly' (Musca). Crux was originally thought of by ancient Greeks as part of Centaurus, but was defined as a separate asterism in the 16th Century after Amerigo Vespucci's expedition to South America in 1501. Vespucci mapped the two stars, Alpha Centauri and Beta Centauri as well as the stars of the Crux. Although these stars were known to the ancient Greeks, gradual precession had lowered them below the European skyline so that they were forgotten

Christopher Picking

PIX4590166

Star formation regions NGC 3576 and 3603 in Carina - NGC 3576 (right) is located about 7000 years - light from Earth; NGC 3603 (left) is twice as far away. These two nebulae are located in the constellation Carene. Image obtained by Siding Spring's 3.9m telescope. These two star - formation regions appear side by side in the sky and seem to be linked as parts of an extensive nebula. However, the apparent intimacy is line - of - sight effect because these two objects are at quite different distances from the Sun. The curious looped nebula NGC 3576 is about 7000 light years from us while its neighbour NGC 3603 is more than twice as far away. That NGC 3603 is the more distant is confirmed by its colour, which is a ruddier red than the pinkish hue of NGC 3576. The change in colour is due to absorption of the blue - light component of the nebulosity by dust particles in the much longer line of sight. This effect is known as interstellar reddening, though it would be better described as 'de

Star formation regions NGC 3576 and 3603 in Carina - NGC 3576 (right) is located about 7000 years - light from Earth; NGC 3603 (left) is twice as far away. These two nebulae are located in the constellation Carene. Image obtained by Siding Spring's 3.9m telescope. These two star - formation regions appear side by side in the sky and seem to be linked as parts of an extensive nebula. However, the apparent intimacy is line - of - sight effect because these two objects are at quite different distances from the Sun. The curious looped nebula NGC 3576 is about 7000 light years from us while its neighbour NGC 3603 is more than twice as far away. That NGC 3603 is the more distant is confirmed by its colour, which is a ruddier red than the pinkish hue of NGC 3576. The change in colour is due to absorption of the blue - light component of the nebulosity by dust particles in the much longer line of sight. This effect is known as interstellar reddening, though it would be better described as 'de

PIX4619187

Nebula NGC 6164 - 5 in the Rule - The field around NGC 6164 - 65 - This nebula is located about 4000 years from Earth. It's a bipolar nebula around a hot O star at the end of life. Image obtained by Siding Spring's 3.9m telescope. Very hot, massive stars lose substantial amounts of matter from their surfaces during much of their brief lives. Mass - loss is usually a fairly steady process but some stars occasionally develop instabilities and have major outbursts. This star has thrown off at least two distinct lots of material during its lifetime, the brightest and most recent being the bright lobes of NGC 6164 - 5 at the centre of the picture while a much fainter rim of nebulosity can be seen at a considerable distance from the central star, indicating an earlier episode of violent ejection. The nebula is at a distance of about 4200 light years

Nebula NGC 6164 - 5 in the Rule - The field around NGC 6164 - 65 - This nebula is located about 4000 years from Earth. It's a bipolar nebula around a hot O star at the end of life. Image obtained by Siding Spring's 3.9m telescope. Very hot, massive stars lose substantial amounts of matter from their surfaces during much of their brief lives. Mass - loss is usually a fairly steady process but some stars occasionally develop instabilities and have major outbursts. This star has thrown off at least two distinct lots of material during its lifetime, the brightest and most recent being the bright lobes of NGC 6164 - 5 at the centre of the picture while a much fainter rim of nebulosity can be seen at a considerable distance from the central star, indicating an earlier episode of violent ejection. The nebula is at a distance of about 4200 light years

PIX4619215

Spiral galaxy ESO 510 - 13 in Hydra - Spiral galaxy ESO 510 - 13 in Hydra - The spiral galaxy ESO 510 - 13 is about 150 million years away - light from Earth and extends over about 100,000 years - light. Image obtained by the ANTU telescope of the VLT on March 15, 1999. The peculiar spiral galaxy ESO 510 - 13 resembles the famous “” Sombrero”” galaxy, but its equatorial dust plane is pronouncedly warped. Its distance is about 170 million light - years and the size is 100,000 light - years. This three - colour composite was obtained with VLT ANTU and FORS in the morning of March 15, 1999

Spiral galaxy ESO 510 - 13 in Hydra - Spiral galaxy ESO 510 - 13 in Hydra - The spiral galaxy ESO 510 - 13 is about 150 million years away - light from Earth and extends over about 100,000 years - light. Image obtained by the ANTU telescope of the VLT on March 15, 1999. The peculiar spiral galaxy ESO 510 - 13 resembles the famous “” Sombrero”” galaxy, but its equatorial dust plane is pronouncedly warped. Its distance is about 170 million light - years and the size is 100,000 light - years. This three - colour composite was obtained with VLT ANTU and FORS in the morning of March 15, 1999

PIX4613547

Distant galaxies in the Fornax constellation - Distant galaxies in the Fornax constellation - Image of distant galaxies obtained by the Hubble space telescope in the constellation Forneau in September 2003. This image represents a typical view of our distant universe. In taking this picture, Hubble is looking down a long corridor of galaxies stretching billions of light - years distant in space, corresponding to looking billions of years back in time. The field shown in this picture covers a relatively small patch of sky, a fraction of the area of the full moon, yet it is richly populated with a variety of galaxy types. A handful of large fully formed galaxies are scattered throughout the image. These galaxies are easy to see because they are relatively close to us. Several of the galaxies are spirals with flat disks that are oriented edge - on or face - on to our line of sight, or somewhere in between. Elliptical galaxies and more exotic galaxies with bars or tidal tails are also visi

Distant galaxies in the Fornax constellation - Distant galaxies in the Fornax constellation - Image of distant galaxies obtained by the Hubble space telescope in the constellation Forneau in September 2003. This image represents a typical view of our distant universe. In taking this picture, Hubble is looking down a long corridor of galaxies stretching billions of light - years distant in space, corresponding to looking billions of years back in time. The field shown in this picture covers a relatively small patch of sky, a fraction of the area of the full moon, yet it is richly populated with a variety of galaxy types. A handful of large fully formed galaxies are scattered throughout the image. These galaxies are easy to see because they are relatively close to us. Several of the galaxies are spirals with flat disks that are oriented edge - on or face - on to our line of sight, or somewhere in between. Elliptical galaxies and more exotic galaxies with bars or tidal tails are also visi

PIX4613828

Globular cluster Hodge 11 - Globular cluster Hodge 11 - This cluster of stars is located about 160,000 years ago - light in the Big Magellan Cloud

Globular cluster Hodge 11 - Globular cluster Hodge 11 - This cluster of stars is located about 160,000 years ago - light in the Big Magellan Cloud

PIX4565244

Centaur Omega globular cluster - The globular cluster Omega Centauri, NGC 5139 - Located 17,000 years ago - light from Earth in the southern constellation of Centaur, Omega Centauri contains several million stars and is one of the most ancient objects in our galaxy. Image obtained by the VST (VLT Survey Telescope) in Chile. The second released VST (VLT Survey Telescope) image may be the best portrait of the globular star cluster Omega Centauri ever made. Omega Centauri, in the constellation of Centaurus (The Centaur), is the largest globular cluster in the sky, but the very wide field of view of VST and its powerful camera Omegaam can include even the faint outer regions of this spectacular object. This view includes about 300,000 stars

Centaur Omega globular cluster - The globular cluster Omega Centauri, NGC 5139 - Located 17,000 years ago - light from Earth in the southern constellation of Centaur, Omega Centauri contains several million stars and is one of the most ancient objects in our galaxy. Image obtained by the VST (VLT Survey Telescope) in Chile. The second released VST (VLT Survey Telescope) image may be the best portrait of the globular star cluster Omega Centauri ever made. Omega Centauri, in the constellation of Centaurus (The Centaur), is the largest globular cluster in the sky, but the very wide field of view of VST and its powerful camera Omegaam can include even the faint outer regions of this spectacular object. This view includes about 300,000 stars

PIX4564449

Constellations of the Centaur and the Southern Cross - Constellations Centaurus and Crux - Visible also, the constellations of the Compas, and the Fly. Image obtained from New Zealand. Also visible are Circunus and Musca constellations. Image obtained from New Zealand

Constellations of the Centaur and the Southern Cross - Constellations Centaurus and Crux - Visible also, the constellations of the Compas, and the Fly. Image obtained from New Zealand. Also visible are Circunus and Musca constellations. Image obtained from New Zealand

Christopher Picking

PIX4589756

Super - Land around the star HD 40307 - Super - Earths around HD 40307 - Artist view of three super - Earth orbiting around the star HD 40307, about 42 years ago - light from our Sun. The planets, observed by the HARPS instrument installed on the 3.6m telescope of La Silla, have a mass ranging from 4 to 9 times the mass of the Earth. Artist's impression of the trio of super - Earths discovered by an European team using the HARPS spectrograph on Eso's 3.6 - m telescope at La Silla, Chile, after 5 years of monitoring. The three planets, having 4.2, 6.7, and 9.4 times the mass of the Earth, orbit the star HD 40307 with periods of 4.3, 9.6, and 20.4 days, respectively

Super - Land around the star HD 40307 - Super - Earths around HD 40307 - Artist view of three super - Earth orbiting around the star HD 40307, about 42 years ago - light from our Sun. The planets, observed by the HARPS instrument installed on the 3.6m telescope of La Silla, have a mass ranging from 4 to 9 times the mass of the Earth. Artist's impression of the trio of super - Earths discovered by an European team using the HARPS spectrograph on Eso's 3.6 - m telescope at La Silla, Chile, after 5 years of monitoring. The three planets, having 4.2, 6.7, and 9.4 times the mass of the Earth, orbit the star HD 40307 with periods of 4.3, 9.6, and 20.4 days, respectively

PIX4573752

Shooting star in the southern hemisphere - Meteor - A shooting star passes near the Little Magellan Cloud. Cap Mechant - La Reunion December 6, 2012. A meteor seen right next to the Small Magellanic Cloud on December 6, 2012. Cape Mechant, Reunion

Shooting star in the southern hemisphere - Meteor - A shooting star passes near the Little Magellan Cloud. Cap Mechant - La Reunion December 6, 2012. A meteor seen right next to the Small Magellanic Cloud on December 6, 2012. Cape Mechant, Reunion

Luc Perrot

PIX4599258

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