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Hertzsprung - Russell - The Hertzsprung - Russell diagram - Hertzsprung - Russell (HR) diagram displaying stars according to their surface temperature and luminosite. The Hertzsprung - Russell diagram is named after the Danish astronomer Einar Hertzsprung (1873 - 1967) and the American astronomer Henry Norris Russell (1877 - 1957). At the beginning of the 20th century they independently noticed that red stars come in very different sizes, pioneering subsequent studies of stellar parameters (e.g., temperature, size and mass). In its basic version, this diagram plots stellar temperature (or colour) against brightness (or magnitude) and is therefore also referred to as the “” colour - magnitude diagram””. The position of a particular star in the diagram also provides information about its evolutionary stage (and age)

Hertzsprung - Russell - The Hertzsprung - Russell diagram - Hertzsprung - Russell (HR) diagram displaying stars according to their surface temperature and luminosite. The Hertzsprung - Russell diagram is named after the Danish astronomer Einar Hertzsprung (1873 - 1967) and the American astronomer Henry Norris Russell (1877 - 1957). At the beginning of the 20th century they independently noticed that red stars come in very different sizes, pioneering subsequent studies of stellar parameters (e.g., temperature, size and mass). In its basic version, this diagram plots stellar temperature (or colour) against brightness (or magnitude) and is therefore also referred to as the “” colour - magnitude diagram””. The position of a particular star in the diagram also provides information about its evolutionary stage (and age)

P. Carril

PIX4573012

Nebula N11 in the Great Magellan Cloud - N11 star forming region in Large Magellanic Cloud (LMC) - N11 (Henize 11) is a vast star-forming region located in the Great Magellan Cloud galaxy. It is home to a cluster of hot young stars, NGC 1760. This glowing complex of rings, shells, and powerful young stars lies in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. The overall complex of glowing gas and stars is known as N11 while the central cluster of hot young blue stars is know as NGC 1760. The complex expanding shells of gas have likely formed from multiple generations of hot O and B type stars and their supernovae. N11 spans over 1000 light years across

Nebula N11 in the Great Magellan Cloud - N11 star forming region in Large Magellanic Cloud (LMC) - N11 (Henize 11) is a vast star-forming region located in the Great Magellan Cloud galaxy. It is home to a cluster of hot young stars, NGC 1760. This glowing complex of rings, shells, and powerful young stars lies in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. The overall complex of glowing gas and stars is known as N11 while the central cluster of hot young blue stars is know as NGC 1760. The complex expanding shells of gas have likely formed from multiple generations of hot O and B type stars and their supernovae. N11 spans over 1000 light years across

R. Gendler

PIX4620765

Contact Binary Star VFTS 352 - Illustration - Binary Contact Star VFTS 352: VFTS 352 is a contact binary star composed of two O stars located in the Nebula of the Tarantula in the Great Magellan Cloud 160,000 light years from Earth. It's the most massive contact binary ever seen. It is composed of two stars orbiting each other in just over a day, the stars being so close that their surfaces touch each other. This artist's impression shows VFTS 352, the hottest and most massive double star system to date where the two components are in contact and sharing material. The two stars in this extreme system lie about 160,000 light-years from Earth in the Large Magellanic Cloud. This intriguing system could be heading for a dramatic end, either with the formation of a single giant star or as a future binary black hole

Contact Binary Star VFTS 352 - Illustration - Binary Contact Star VFTS 352: VFTS 352 is a contact binary star composed of two O stars located in the Nebula of the Tarantula in the Great Magellan Cloud 160,000 light years from Earth. It's the most massive contact binary ever seen. It is composed of two stars orbiting each other in just over a day, the stars being so close that their surfaces touch each other. This artist's impression shows VFTS 352, the hottest and most massive double star system to date where the two components are in contact and sharing material. The two stars in this extreme system lie about 160,000 light-years from Earth in the Large Magellanic Cloud. This intriguing system could be heading for a dramatic end, either with the formation of a single giant star or as a future binary black hole

PIX4572139

Hertzsprung - Russell - The Hertzsprung - Russell diagram - HR diagram (Hertzsprung - Russell) displaying stars according to their surface temperature and luminosite. The Hertzsprung - Russell diagram is named after the Danish astronomer Einar Hertzsprung (1873 - 1967) and the American astronomer Henry Norris Russell (1877 - 1957). At the beginning of the 20th century they independently noticed that red stars come in very different sizes, pioneering subsequent studies of stellar parameters (e.g., temperature, size and mass). In its basic version, this diagram plots stellar temperature (or colour) against brightness (or magnitude) and is therefore also referred to as the “” colour - magnitude diagram””. The position of a particular star in the diagram also provides information about its evolutionary stage (and age)

Hertzsprung - Russell - The Hertzsprung - Russell diagram - HR diagram (Hertzsprung - Russell) displaying stars according to their surface temperature and luminosite. The Hertzsprung - Russell diagram is named after the Danish astronomer Einar Hertzsprung (1873 - 1967) and the American astronomer Henry Norris Russell (1877 - 1957). At the beginning of the 20th century they independently noticed that red stars come in very different sizes, pioneering subsequent studies of stellar parameters (e.g., temperature, size and mass). In its basic version, this diagram plots stellar temperature (or colour) against brightness (or magnitude) and is therefore also referred to as the “” colour - magnitude diagram””. The position of a particular star in the diagram also provides information about its evolutionary stage (and age)

P. Carril

PIX4572996

Barree spiral galaxy NGC 2903 in the Lion - Barred spiral galaxy NGC 2903 in Leo - The barree spiral galaxy Ngc 2903 is located about 25 million years ago - light and extends over 80,000 years - light. It is home to regions of intense star formations. The barred spiral galaxy NGC 2903 is located about 25 million light - years away in the direction of the constellation Leo and its width is roughly 80,000 light - years from edge to edge. NGC 2903 is known to contain numerous hot spots of violent stellar activity

Barree spiral galaxy NGC 2903 in the Lion - Barred spiral galaxy NGC 2903 in Leo - The barree spiral galaxy Ngc 2903 is located about 25 million years ago - light and extends over 80,000 years - light. It is home to regions of intense star formations. The barred spiral galaxy NGC 2903 is located about 25 million light - years away in the direction of the constellation Leo and its width is roughly 80,000 light - years from edge to edge. NGC 2903 is known to contain numerous hot spots of violent stellar activity

PIX4610214

Nebula IC 405, star AE Aurigae in the Coach - Nebula IC 405 and runaway star AE Aurigae - IC 405, is a nebula illuminated by the massive star AE Aurigae. This type O star is a “” fleeing star”, a star ejected from the Orion nebula about 2.5 million years ago and continues its race at a speed of 200 km per second. The Flaming Star Nebula, IC 405, surrounds the variable star AE Aurigae. AE Aurigae is normally a 5.96 magnitude star of spectral class O. The star AE Aurigae itself is very bright, young, blue, and known as a runaway star since it appears to have been ejected from the Orion Nebula region about 2.5 million years ago

Nebula IC 405, star AE Aurigae in the Coach - Nebula IC 405 and runaway star AE Aurigae - IC 405, is a nebula illuminated by the massive star AE Aurigae. This type O star is a “” fleeing star”, a star ejected from the Orion nebula about 2.5 million years ago and continues its race at a speed of 200 km per second. The Flaming Star Nebula, IC 405, surrounds the variable star AE Aurigae. AE Aurigae is normally a 5.96 magnitude star of spectral class O. The star AE Aurigae itself is very bright, young, blue, and known as a runaway star since it appears to have been ejected from the Orion Nebula region about 2.5 million years ago

Adam Block

PIX4621903

Double cluster of Persee - Double cluster in Perseus - NGC 884, on the left and h Persei (NGC 869) on the right are located about 7000 years - light in the constellation Persee. This field corresponds to that of binoculars or a small telescope. The double cluster in the constellation Perseus, normally known by its Greek designation transliterated. chi Persei (NGC 884, on the left) and h Persei (NGC 869) are about 7000 light - years away and less than 100 light - years apart. Although open clusters are quite common, this pair is exceptional due to the large number of young bright O and B stars in each, and their closeness. This skyview is corresponding to binoculars and small telescopes

Double cluster of Persee - Double cluster in Perseus - NGC 884, on the left and h Persei (NGC 869) on the right are located about 7000 years - light in the constellation Persee. This field corresponds to that of binoculars or a small telescope. The double cluster in the constellation Perseus, normally known by its Greek designation transliterated. chi Persei (NGC 884, on the left) and h Persei (NGC 869) are about 7000 light - years away and less than 100 light - years apart. Although open clusters are quite common, this pair is exceptional due to the large number of young bright O and B stars in each, and their closeness. This skyview is corresponding to binoculars and small telescopes

PIX4567770

Polaris - Illustration - Polaris System - Illustration - Polaris is a triple system composed of a supergiant star and two dwarf stars. It is a pulsating variable star, cepheide of low amplitude. This illustration shows the triple system of this star, Polaris A and Polaris Ab, and further on, his companion Polaris B. This is a view from within the Polaris triple star system. The North Star, Polaris A is a bright supergiant variable star.Just above Polaris is a small companion, Polaris Ab, which is 2 billion miles from Polaris. Much farther away, near the top of the illustration, is the wide companion Polaris B. Polaris B is located approximately 240 billion miles from Polaris A. The two companion stars are the same temperature as Polaris A, but are dwarf stars. The wide companion star is visible in small telescopes. It was first noticed by William Herschel in 1780. The close companion, Polaris Ab was known to exist from measurements of a wobble in Polaris, caused by the gravitational tu

Polaris - Illustration - Polaris System - Illustration - Polaris is a triple system composed of a supergiant star and two dwarf stars. It is a pulsating variable star, cepheide of low amplitude. This illustration shows the triple system of this star, Polaris A and Polaris Ab, and further on, his companion Polaris B. This is a view from within the Polaris triple star system. The North Star, Polaris A is a bright supergiant variable star.Just above Polaris is a small companion, Polaris Ab, which is 2 billion miles from Polaris. Much farther away, near the top of the illustration, is the wide companion Polaris B. Polaris B is located approximately 240 billion miles from Polaris A. The two companion stars are the same temperature as Polaris A, but are dwarf stars. The wide companion star is visible in small telescopes. It was first noticed by William Herschel in 1780. The close companion, Polaris Ab was known to exist from measurements of a wobble in Polaris, caused by the gravitational tu

PIX4572039

Double cluster of Persee - Double cluster in Perseus - Chi Persei (NGC 884), on the left and h Persei (NGC 869) on the right are located about 7000 years - light in the constellation Persee. Mosaic of two images obtained with a 30 cm telescope. Time: 14 hours. The double cluster in the constellation Perseus, normally known by its Greek designation transliterated. chi Persei (NGC 884, on the left) and h Persei (NGC 869) are about 7000 light - years away and less than 100 light - years apart. Although open clusters are quite common, this pair is exceptional due to the large number of young bright O and B stars in each, and their closeness

Double cluster of Persee - Double cluster in Perseus - Chi Persei (NGC 884), on the left and h Persei (NGC 869) on the right are located about 7000 years - light in the constellation Persee. Mosaic of two images obtained with a 30 cm telescope. Time: 14 hours. The double cluster in the constellation Perseus, normally known by its Greek designation transliterated. chi Persei (NGC 884, on the left) and h Persei (NGC 869) are about 7000 light - years away and less than 100 light - years apart. Although open clusters are quite common, this pair is exceptional due to the large number of young bright O and B stars in each, and their closeness

R. Gendler

PIX4567773

Double cluster of Persee - Double cluster in Perseus - NGC884, on the left and h Persei NGC869 on the right are located about 7000 years - light in the constellation Persee. The double cluster in the constellation Perseus, normally known by its Greek designation transliterated. chi Persei (NGC884, on the left) and h Persei (NGC869) are about 7000 light - years away and less than 100 light - years apart. Although open clusters are quite common, this pair is exceptional due to the large number of young bright O and B stars in each, and their closeness

Double cluster of Persee - Double cluster in Perseus - NGC884, on the left and h Persei NGC869 on the right are located about 7000 years - light in the constellation Persee. The double cluster in the constellation Perseus, normally known by its Greek designation transliterated. chi Persei (NGC884, on the left) and h Persei (NGC869) are about 7000 light - years away and less than 100 light - years apart. Although open clusters are quite common, this pair is exceptional due to the large number of young bright O and B stars in each, and their closeness

R. Gendler

PIX4567708

Orion Nebula - the trapeze - The Trapezium in Orion nebula - The Orion Trapeze is among the youngest open clusters known, with new stars still forming in this region. The Trapezium is the most famous multiple star system in the entire night sky. Located at the very heart of M42, the Orion Nebula is one of the youngest clusters known

Orion Nebula - the trapeze - The Trapezium in Orion nebula - The Orion Trapeze is among the youngest open clusters known, with new stars still forming in this region. The Trapezium is the most famous multiple star system in the entire night sky. Located at the very heart of M42, the Orion Nebula is one of the youngest clusters known

Jerry Lodriguss

PIX4617799

Double cluster of Persee - Double cluster in Perseus - NGC884, on the left and h Persei NGC869 on the right are located about 7000 years - light in the constellation Persee. The double cluster in the constellation Perseus, normally known by its Greek designation transliterated. chi Persei (NGC884, on the left) and h Persei (NGC869) are about 7000 light - years away and less than 100 light - years apart. Although open clusters are quite common, this pair is exceptional due to the large number of young bright O and B stars in each, and their closeness

Double cluster of Persee - Double cluster in Perseus - NGC884, on the left and h Persei NGC869 on the right are located about 7000 years - light in the constellation Persee. The double cluster in the constellation Perseus, normally known by its Greek designation transliterated. chi Persei (NGC884, on the left) and h Persei (NGC869) are about 7000 light - years away and less than 100 light - years apart. Although open clusters are quite common, this pair is exceptional due to the large number of young bright O and B stars in each, and their closeness

Jerry Lodriguss

PIX4567707

Orion's Trapeze - Trapezium Multiple Star System in Orion - Orion's Trapeze is one of the youngest open clusters known, with new stars still forming in this region. The Trapezium is the most famous multiple star system in the entire night sky. Located at the very heart of M42, the Orion Nebula, it is one of the youngest star clusters known. The four brightest stars in the Trapezium (A, B, C and D) are easily visible in a four inch telescope with decent optical quality under good seeing conditions. They range in brightness from magnitude 5 to magnitude 8. They can be seen merged together as one star to the unaided eye as the middle star in the sword of Orion. The image above shows the four brightest stars of the Trapezium at the center of the photo. The core of M42 surrounding the Trapezium is a blue - green color from the predominantly green spectral emission line of Oxygen III, with a smaller amount of blue - green mixed in from the hydrogen - beta emission line. These particular wave

Orion's Trapeze - Trapezium Multiple Star System in Orion - Orion's Trapeze is one of the youngest open clusters known, with new stars still forming in this region. The Trapezium is the most famous multiple star system in the entire night sky. Located at the very heart of M42, the Orion Nebula, it is one of the youngest star clusters known. The four brightest stars in the Trapezium (A, B, C and D) are easily visible in a four inch telescope with decent optical quality under good seeing conditions. They range in brightness from magnitude 5 to magnitude 8. They can be seen merged together as one star to the unaided eye as the middle star in the sword of Orion. The image above shows the four brightest stars of the Trapezium at the center of the photo. The core of M42 surrounding the Trapezium is a blue - green color from the predominantly green spectral emission line of Oxygen III, with a smaller amount of blue - green mixed in from the hydrogen - beta emission line. These particular wave

Jerry Lodriguss

PIX4617879

Rosette nebula - The Rosette Nebula, NGC 2237 - Rosette nebula in the constellation Unicorn. In the centre is the cluster of stars NGC 2244 which contains about 30 massive OB stars. The Rosette Nebula, NGC 2237, is a large cloud of hydrogen gas and dust located in the constellation of Monoceros. At the center of the nebula is open star cluster NGC 2244, the birthplace of the hot young stars that energize the stellar nursery in the heart of the nebula. The Rosette is located about 5,000 light years away and is about 100 light years across

Rosette nebula - The Rosette Nebula, NGC 2237 - Rosette nebula in the constellation Unicorn. In the centre is the cluster of stars NGC 2244 which contains about 30 massive OB stars. The Rosette Nebula, NGC 2237, is a large cloud of hydrogen gas and dust located in the constellation of Monoceros. At the center of the nebula is open star cluster NGC 2244, the birthplace of the hot young stars that energize the stellar nursery in the heart of the nebula. The Rosette is located about 5,000 light years away and is about 100 light years across

Jerry Lodriguss

PIX4618531

Orion Nebula - the trapeze - The Trapezium region in M42 - Located 1500 years - light, Orion Nebula is the closest region of formation of stars of the Sun. In the center of the picture, the Trapeze of Orion. The Trapeze is among the youngest known open clusters, it is made up of 4 massive stars that make the nebula shine. Image obtained from the 1.5m Danish telescope of La Silla in Chile. The central 'star' of the three groups forming the asterism of Orion's sword is in reality a nebula, and is clearly nebulous to the unaided eye. At the heart of the most luminous nebulosity shimmer a handful of stars known as the Trapezium cluster, visible in binoculars. These are the brightest members of a substantial cluster of stars, most of which are still hidden in the dusty recesses of the Orion nebula against which they are seen. The stars of the Trapezium provide much of the energy which makes the brilliant Orion Nebula visible and are at a distance of about 1500 light years. This image was ma

Orion Nebula - the trapeze - The Trapezium region in M42 - Located 1500 years - light, Orion Nebula is the closest region of formation of stars of the Sun. In the center of the picture, the Trapeze of Orion. The Trapeze is among the youngest known open clusters, it is made up of 4 massive stars that make the nebula shine. Image obtained from the 1.5m Danish telescope of La Silla in Chile. The central 'star' of the three groups forming the asterism of Orion's sword is in reality a nebula, and is clearly nebulous to the unaided eye. At the heart of the most luminous nebulosity shimmer a handful of stars known as the Trapezium cluster, visible in binoculars. These are the brightest members of a substantial cluster of stars, most of which are still hidden in the dusty recesses of the Orion nebula against which they are seen. The stars of the Trapezium provide much of the energy which makes the brilliant Orion Nebula visible and are at a distance of about 1500 light years. This image was ma

PIX4617817

Nebula N11 in the Great Magellan Cloud - N11 star forming region in Large Magellanic Cloud (LMC) - N11 (LHA 120 - N 11) is a large star-forming region located in the Great Magellan Cloud galaxy. Image, obtained by the Hubble space telescope. This broad vista of young stars and gas clouds in our neighbouring galaxy, the Large Magellanic Cloud, was captured by the NASA/ESA Hubble Space Telescope's Advanced Camera for Surveys (ACS). This region is named LHA 120 - N 11, informally known as N11, and is one of the most active star formation regions in the nearby Universe. This picture is a mosaic of ACS data from five different positions and covers a region about six arcminutes across

Nebula N11 in the Great Magellan Cloud - N11 star forming region in Large Magellanic Cloud (LMC) - N11 (LHA 120 - N 11) is a large star-forming region located in the Great Magellan Cloud galaxy. Image, obtained by the Hubble space telescope. This broad vista of young stars and gas clouds in our neighbouring galaxy, the Large Magellanic Cloud, was captured by the NASA/ESA Hubble Space Telescope's Advanced Camera for Surveys (ACS). This region is named LHA 120 - N 11, informally known as N11, and is one of the most active star formation regions in the nearby Universe. This picture is a mosaic of ACS data from five different positions and covers a region about six arcminutes across

PIX4620791

Orion Nebula - the trapeze - The Trapezium region in M42 - Located 1500 years - light, Orion Nebula is the closest region of formation of stars of the Sun. In the center of the picture, the Trapeze of Orion. The Trapeze is among the youngest known open clusters, it is made up of 4 massive stars that make the nebula shine. The central 'star' of the three groups forming the asterism of Orion's sword is in reality a nebula, and is clearly nebulous to the unaided eye. At the heart of the most luminous nebulosity shimmer a handful of stars known as the Trapezium cluster, visible in binoculars. These are the brightest members of a substantial cluster of stars, most of which are still hidden in the dusty recesses of the Orion nebula against which they are seen. The stars of the Trapezium provide much of the energy which makes the brilliant Orion Nebula visible and are at a distance of about 1500 light years

Orion Nebula - the trapeze - The Trapezium region in M42 - Located 1500 years - light, Orion Nebula is the closest region of formation of stars of the Sun. In the center of the picture, the Trapeze of Orion. The Trapeze is among the youngest known open clusters, it is made up of 4 massive stars that make the nebula shine. The central 'star' of the three groups forming the asterism of Orion's sword is in reality a nebula, and is clearly nebulous to the unaided eye. At the heart of the most luminous nebulosity shimmer a handful of stars known as the Trapezium cluster, visible in binoculars. These are the brightest members of a substantial cluster of stars, most of which are still hidden in the dusty recesses of the Orion nebula against which they are seen. The stars of the Trapezium provide much of the energy which makes the brilliant Orion Nebula visible and are at a distance of about 1500 light years

Sebastian Voltmer

PIX4617828

The cluster of stars Pismis 24 in the Scorpio - Pismis 24 star cluster in Scorpius - This image shows the cluster of young stars Pismis 24, located about 8000 years - light in the nebula NGC 6357 of the Scorpio. This cluster is home to some of the most massive stars known to date. Image made with the 1.5m Danish telescope of La Silla in Chile in 2009. Located near the famous “” Cat Paw”” nebula (NGC 6334), the Stellar Cluster Pismis 24 lies at the core of NGC 6357. Its stars include some of the most massive stellar behemoths known. One of the brightest stars in the cluster, Pismis 24 - 1, was thought possibly to be the most massive on record, approaching 300 solar masses, until it was discovered by the Hubble Telescope to be a triple star, with large components exceeding 100 solar masses. Several of the other central stars also exceed 100 solar masses. The nebulosity visible in the image shows the effects of intense radiation which has sculpted the clouds into curious shapes. Massive p

The cluster of stars Pismis 24 in the Scorpio - Pismis 24 star cluster in Scorpius - This image shows the cluster of young stars Pismis 24, located about 8000 years - light in the nebula NGC 6357 of the Scorpio. This cluster is home to some of the most massive stars known to date. Image made with the 1.5m Danish telescope of La Silla in Chile in 2009. Located near the famous “” Cat Paw”” nebula (NGC 6334), the Stellar Cluster Pismis 24 lies at the core of NGC 6357. Its stars include some of the most massive stellar behemoths known. One of the brightest stars in the cluster, Pismis 24 - 1, was thought possibly to be the most massive on record, approaching 300 solar masses, until it was discovered by the Hubble Telescope to be a triple star, with large components exceeding 100 solar masses. Several of the other central stars also exceed 100 solar masses. The nebulosity visible in the image shows the effects of intense radiation which has sculpted the clouds into curious shapes. Massive p

PIX4569042

Star Field in the Antenna Galaxy - Starfield in the Antennae - Detail in the Antenna Galaxy (NGC 4038 - 4039) photograph by the Hubble space telescope showing young blue stars as well as many galaxies in the background. Located about 45 million years ago - light, NGC 4038 and NGC 4039 interact. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 45 million light year from us. Here is an image taken by the Hubble space telescope showing young blue stars and several galaxies in background

Star Field in the Antenna Galaxy - Starfield in the Antennae - Detail in the Antenna Galaxy (NGC 4038 - 4039) photograph by the Hubble space telescope showing young blue stars as well as many galaxies in the background. Located about 45 million years ago - light, NGC 4038 and NGC 4039 interact. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 45 million light year from us. Here is an image taken by the Hubble space telescope showing young blue stars and several galaxies in background

PIX4572239

View of the nebula of the Lagoon (M8/NGC 6523). Located in Sagittarius, at a distance of 5800 light years, it is visible to the naked eye in good conditions. It is a star-forming region illuminated by several large O-type stars that belong to the open cluster NGC 6530 visible in the center of the image. The brightest part of the nebula is called the hourglass nebula whose gases are excited mainly by two massive supergeant stars Herschel 36 and 9 Sagittarii. M8 has at least 60 Giant B stars, 3 to 4 times more than the Orion nebula - The Lagoon nebula (M8), can be visible to the unaided eye as a small bright patch above the large Sagittarius star cloud in the Milky Way. The Lagoon nebula is a star-forming region about 5800 light years from us. The nebula is illuminated by several O-type giants within the open cluster NGC 6530 near the center of the nebula. The brightest part of the nebula is known as the “hourglass nebula”” and its gases are excited primarily by two massive O-type superg

View of the nebula of the Lagoon (M8/NGC 6523). Located in Sagittarius, at a distance of 5800 light years, it is visible to the naked eye in good conditions. It is a star-forming region illuminated by several large O-type stars that belong to the open cluster NGC 6530 visible in the center of the image. The brightest part of the nebula is called the hourglass nebula whose gases are excited mainly by two massive supergeant stars Herschel 36 and 9 Sagittarii. M8 has at least 60 Giant B stars, 3 to 4 times more than the Orion nebula - The Lagoon nebula (M8), can be visible to the unaided eye as a small bright patch above the large Sagittarius star cloud in the Milky Way. The Lagoon nebula is a star-forming region about 5800 light years from us. The nebula is illuminated by several O-type giants within the open cluster NGC 6530 near the center of the nebula. The brightest part of the nebula is known as the “hourglass nebula”” and its gases are excited primarily by two massive O-type superg

R. Gendler

PIX4619585

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 63 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 63 million light year from us

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 63 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 63 million light year from us

R. Gendler

PIX4611087

Orion Nebula - the trapeze - The Trapezium region in M42 - Located 1500 years - light, Orion Nebula is the closest region of formation of stars of the Sun. In the center of the picture, the Trapeze of Orion. The Trapeze is among the youngest known open clusters, it is made up of 4 massive stars that make the nebula shine. Image obtained with Siding Spring's 3.9m telescope. The central 'star' of the three groups forming the asterism of Orion's sword is in reality a nebula, and is clearly nebulous to the unaided eye. At the heart of the most luminous nebulosity shimmer a handful of stars known as the Trapezium cluster, visible in binoculars. These are the brightest members of a substantial cluster of stars, most of which are still hidden in the dusty recesses of the Orion nebula against which they are seen. The stars of the Trapezium provide much of the energy which makes the brilliant Orion Nebula visible and are at a distance of about 1500 light years. This image was made at the prime

Orion Nebula - the trapeze - The Trapezium region in M42 - Located 1500 years - light, Orion Nebula is the closest region of formation of stars of the Sun. In the center of the picture, the Trapeze of Orion. The Trapeze is among the youngest known open clusters, it is made up of 4 massive stars that make the nebula shine. Image obtained with Siding Spring's 3.9m telescope. The central 'star' of the three groups forming the asterism of Orion's sword is in reality a nebula, and is clearly nebulous to the unaided eye. At the heart of the most luminous nebulosity shimmer a handful of stars known as the Trapezium cluster, visible in binoculars. These are the brightest members of a substantial cluster of stars, most of which are still hidden in the dusty recesses of the Orion nebula against which they are seen. The stars of the Trapezium provide much of the energy which makes the brilliant Orion Nebula visible and are at a distance of about 1500 light years. This image was made at the prime

PIX4617858

Orion Nebula - the trapeze - The Trapezium region in M42 - Located 1500 years - light, Orion Nebula is the closest region of formation of stars of the Sun. In the center of the picture, the Trapeze of Orion. The Trapeze is among the youngest known open clusters, it is made up of 4 massive stars that make the nebula shine. Image obtained with Siding Spring's 3.9m telescope. 30-sec poses. The central 'star' of the three groups forming the asterism of Orion's sword is in reality a nebula, and is clearly nebulous to the unaided eye. At the heart of the most luminous nebulosity shimmer a handful of stars known as the Trapezium cluster, visible in binoculars. These are the brightest members of a substantial cluster of stars, most of which are still hidden in the dusty recesses of the Orion nebula against which they are seen. The stars of the Trapezium provide much of the energy which makes the brilliant Orion Nebula visible and are at a distance of about 1500 light years. This image was made

Orion Nebula - the trapeze - The Trapezium region in M42 - Located 1500 years - light, Orion Nebula is the closest region of formation of stars of the Sun. In the center of the picture, the Trapeze of Orion. The Trapeze is among the youngest known open clusters, it is made up of 4 massive stars that make the nebula shine. Image obtained with Siding Spring's 3.9m telescope. 30-sec poses. The central 'star' of the three groups forming the asterism of Orion's sword is in reality a nebula, and is clearly nebulous to the unaided eye. At the heart of the most luminous nebulosity shimmer a handful of stars known as the Trapezium cluster, visible in binoculars. These are the brightest members of a substantial cluster of stars, most of which are still hidden in the dusty recesses of the Orion nebula against which they are seen. The stars of the Trapezium provide much of the energy which makes the brilliant Orion Nebula visible and are at a distance of about 1500 light years. This image was made

PIX4617827

Orion Nebula - the trapeze - The Trapezium region in M42 - Located 1500 years - light, Orion Nebula is the closest region of formation of stars of the Sun. In the center of the picture, the Trapeze of Orion. The Trapeze is among the youngest known open clusters, it is made up of 4 massive stars that make the nebula shine. Image obtained with Siding Spring's 3.9m telescope. The central 'star' of the three groups forming the asterism of Orion's sword is in reality a nebula, and is clearly nebulous to the unaided eye. At the heart of the most luminous nebulosity shimmer a handful of stars known as the Trapezium cluster, visible in binoculars. These are the brightest members of a substantial cluster of stars, most of which are still hidden in the dusty recesses of the Orion nebula against which they are seen. The stars of the Trapezium provide much of the energy which makes the brilliant Orion Nebula visible and are at a distance of about 1500 light years. This image was made at the prime

Orion Nebula - the trapeze - The Trapezium region in M42 - Located 1500 years - light, Orion Nebula is the closest region of formation of stars of the Sun. In the center of the picture, the Trapeze of Orion. The Trapeze is among the youngest known open clusters, it is made up of 4 massive stars that make the nebula shine. Image obtained with Siding Spring's 3.9m telescope. The central 'star' of the three groups forming the asterism of Orion's sword is in reality a nebula, and is clearly nebulous to the unaided eye. At the heart of the most luminous nebulosity shimmer a handful of stars known as the Trapezium cluster, visible in binoculars. These are the brightest members of a substantial cluster of stars, most of which are still hidden in the dusty recesses of the Orion nebula against which they are seen. The stars of the Trapezium provide much of the energy which makes the brilliant Orion Nebula visible and are at a distance of about 1500 light years. This image was made at the prime

PIX4617856

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 45 million light year from us

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 45 million light year from us

Jim Misti

PIX4611081

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light from Earth. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action, as seen here. The colour picture reveals the burst of star formation triggered by the encounter, the large numbers of pink emission nebulae in the inter - galaxy region and the location of the numerous dark, brownish - yellow clouds of dust

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light from Earth. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action, as seen here. The colour picture reveals the burst of star formation triggered by the encounter, the large numbers of pink emission nebulae in the inter - galaxy region and the location of the numerous dark, brownish - yellow clouds of dust

Adam Block

PIX4611108

Star cluster IC 1590 in NGC 281 (Cassiopee) - Open cluster and Bok globules in NGC 281 - View of a detail in the center of the nebula NGC 281 in Cassiopee. The brightest stars of the open cluster IC 1590 are visible, accompanied by Bok's blood cells, dark interstellar clouds consisting of gas and dust that absorb light. Image obtained by the Hubble Space Telescope (HST). Astronomers have used the NASA/ESA Hubble Space Telescope to study the young open star cluster IC 1590, which is found within the star formation region NGC 281 - - nicknamed the Pacman Nebula due to its resemblance to the famous arcade game character. This image only shows the central part of the nebula, where the brightest stars at the core of the cluster are found, with part of the Pacman's hungry mouth visible as the dark region below. But Pacman isn't gobbling up these stars. Instead, the nebula's gas and dust are being used as raw ingredients to make new stars. However, the stars in IC 1590 are still plotting thei

Star cluster IC 1590 in NGC 281 (Cassiopee) - Open cluster and Bok globules in NGC 281 - View of a detail in the center of the nebula NGC 281 in Cassiopee. The brightest stars of the open cluster IC 1590 are visible, accompanied by Bok's blood cells, dark interstellar clouds consisting of gas and dust that absorb light. Image obtained by the Hubble Space Telescope (HST). Astronomers have used the NASA/ESA Hubble Space Telescope to study the young open star cluster IC 1590, which is found within the star formation region NGC 281 - - nicknamed the Pacman Nebula due to its resemblance to the famous arcade game character. This image only shows the central part of the nebula, where the brightest stars at the core of the cluster are found, with part of the Pacman's hungry mouth visible as the dark region below. But Pacman isn't gobbling up these stars. Instead, the nebula's gas and dust are being used as raw ingredients to make new stars. However, the stars in IC 1590 are still plotting thei

PIX4617504

Mel 15 star cluster in the nebula IC 1805 - IC1805 Heart Nebula - Melotte 15 is a cluster of young stars composed of massive OB-type stars. Age about 1.5 million years, this cluster is located 50 years - light in front of the nebula it illuminates. Melotte 15 is an extremely young cluster of massive OB stars with a mean age of only 1.5 million years. The cluster is positioned some 50 light years in front of the nebula it illuminates

Mel 15 star cluster in the nebula IC 1805 - IC1805 Heart Nebula - Melotte 15 is a cluster of young stars composed of massive OB-type stars. Age about 1.5 million years, this cluster is located 50 years - light in front of the nebula it illuminates. Melotte 15 is an extremely young cluster of massive OB stars with a mean age of only 1.5 million years. The cluster is positioned some 50 light years in front of the nebula it illuminates

PIX4622391

Star clusters IC 348 in Persee seen in infrared - Star clusters IC 348 in Perseus - IC 348 is a cluster of 300 stars associated with a relatively bright nebula. The infrared image of the Spitzer telescope shows young stars (red and pink) that appeared about 3 million years ago and still surrounded by their gas cocoon. The nebula is located 1043 years of light from Earth. The IC 348 is a cluster which contains more than 300 young stars. Baby stars are forming near the eastern rim of the cosmic cloud Perseus, in this infrared image from Nasa's Spitzer Space Telescope. The baby stars are approximately three million years old and are shown as reddish - pink dots to the right of the image. The pinkish color indicates that these infant stars are still shrouded by the cosmic dust and gas that collapsed to form them. The Perseus Nebula is located about 1,043 light - years away in the Perseus constellation

Star clusters IC 348 in Persee seen in infrared - Star clusters IC 348 in Perseus - IC 348 is a cluster of 300 stars associated with a relatively bright nebula. The infrared image of the Spitzer telescope shows young stars (red and pink) that appeared about 3 million years ago and still surrounded by their gas cocoon. The nebula is located 1043 years of light from Earth. The IC 348 is a cluster which contains more than 300 young stars. Baby stars are forming near the eastern rim of the cosmic cloud Perseus, in this infrared image from Nasa's Spitzer Space Telescope. The baby stars are approximately three million years old and are shown as reddish - pink dots to the right of the image. The pinkish color indicates that these infant stars are still shrouded by the cosmic dust and gas that collapsed to form them. The Perseus Nebula is located about 1,043 light - years away in the Perseus constellation

PIX4568939

Open Cluster of Pleiades - The Pleiades star cluster - The Pleiades cluster is a cluster of about 500 young stars nees 150 million years ago. Visible in the constellation Taurus, this cluster is 440 years from the Earth. The Pleiades are a reflection nebula associated with a cluster of young stars. The cluster itself is a group of many hundreds of stars about 400 light years from Earth in the northern constellation of Taurus.Seven of the brightest stars are quite easy to see with the unaided eye.The nebulosity seen here is light reflected from the particles in a cloud of cold gas and dust into which the cluster has drifted. It appears blue because these tiny interstellar particles scatter blue light more efficiently than the longer wavelengths of red light and it is streaky because of the distribution of dust particles in space

Open Cluster of Pleiades - The Pleiades star cluster - The Pleiades cluster is a cluster of about 500 young stars nees 150 million years ago. Visible in the constellation Taurus, this cluster is 440 years from the Earth. The Pleiades are a reflection nebula associated with a cluster of young stars. The cluster itself is a group of many hundreds of stars about 400 light years from Earth in the northern constellation of Taurus.Seven of the brightest stars are quite easy to see with the unaided eye.The nebulosity seen here is light reflected from the particles in a cloud of cold gas and dust into which the cluster has drifted. It appears blue because these tiny interstellar particles scatter blue light more efficiently than the longer wavelengths of red light and it is streaky because of the distribution of dust particles in space

PIX4568736

Open Cluster of Pleiades - The Pleiades star cluster - The Pleiades cluster is a cluster of about 500 young stars nees 150 million years ago. Visible in the constellation Taurus, this cluster is 440 years from the Earth. Object number 45 in Messier's catalog is the Pleiades, also know as the Seven Sisters for the seven stars that can be easily seen with excellent eyesight.The Pleiades is a relatively nearby open cluster, which according to new data from the Hipparcos satellite is located at a distance of 370 light years. The cluster is surrounded by blue nebulosity illuminated by the light reflected from the nearby stars. Astro - Physic's 130EDT F/8 Triplet Refractor working at f/6 two 20 minute exposures

Open Cluster of Pleiades - The Pleiades star cluster - The Pleiades cluster is a cluster of about 500 young stars nees 150 million years ago. Visible in the constellation Taurus, this cluster is 440 years from the Earth. Object number 45 in Messier's catalog is the Pleiades, also know as the Seven Sisters for the seven stars that can be easily seen with excellent eyesight.The Pleiades is a relatively nearby open cluster, which according to new data from the Hipparcos satellite is located at a distance of 370 light years. The cluster is surrounded by blue nebulosity illuminated by the light reflected from the nearby stars. Astro - Physic's 130EDT F/8 Triplet Refractor working at f/6 two 20 minute exposures

Jerry Lodriguss

PIX4568688

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 45 million light year from us

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 45 million light year from us

PIX4611107

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

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

PIX4617491

Eagle Nebula (IC 4703) and M16 star cluster in the Snake - Eagle nebula in Serpens - The Eagle Nebula is a cluster of massive young stars (M16) surrounded by clouds of gas and dust. The three columns in the center of the image were sculpted by the intense radiation emitted by these massive stars. Stars will be born in these clouds if they survive the intense radiation that erodes these pillars. Messier 16 is a cluster of young stars which formed about 2 million years ago from the gas and dust which still surrounds them. Brilliant blue stars of this type are much hotter than the Sun and can be up to thirty times more massive. The dark intrusions visible across the face of the nebula are condensations of dusty material which might one day collapse into yet more stars, should they survive the radiation from the bright stars, which is gradually etching them away. Bright red regions of photo - ionised hydrogen such as M16 are usually found in the spiral arms of galaxies and are often associ

Eagle Nebula (IC 4703) and M16 star cluster in the Snake - Eagle nebula in Serpens - The Eagle Nebula is a cluster of massive young stars (M16) surrounded by clouds of gas and dust. The three columns in the center of the image were sculpted by the intense radiation emitted by these massive stars. Stars will be born in these clouds if they survive the intense radiation that erodes these pillars. Messier 16 is a cluster of young stars which formed about 2 million years ago from the gas and dust which still surrounds them. Brilliant blue stars of this type are much hotter than the Sun and can be up to thirty times more massive. The dark intrusions visible across the face of the nebula are condensations of dusty material which might one day collapse into yet more stars, should they survive the radiation from the bright stars, which is gradually etching them away. Bright red regions of photo - ionised hydrogen such as M16 are usually found in the spiral arms of galaxies and are often associ

PIX4619956

Nebula of the Lagoon (M8) in Sagittarius - The Lagoon nebula (M8) in Sagittarius - View of the Nebula of the Lagoon (M8/NGC 6523). Located in Sagittarius, at a distance of 5800 years - light, it is visible to the naked eye in good conditions. It is a star-forming region illuminated by several large O-type stars that belong to the open cluster NGC 6530 visible in the center of the image. The brightest part of the nebula is called the hourglass nebula whose gases are excited mainly by two massive supergeant stars Herschel 36 and 9 Sagittarii. M8 has at least 60 Giant B stars, 3 to 4 times more than the Orion Nebula. The Lagoon nebula (M8), can be visible to the unaided eye as a small bright patch above the large Sagittarius star cloud in the Milky Way. The Lagoon nebula is a star - forming region about 5800 light years from us. The nebula is illuminated by several O - type giants within the open cluster NGC 6530 near the center of the nebula. The brightest part of the nebula is known as

Nebula of the Lagoon (M8) in Sagittarius - The Lagoon nebula (M8) in Sagittarius - View of the Nebula of the Lagoon (M8/NGC 6523). Located in Sagittarius, at a distance of 5800 years - light, it is visible to the naked eye in good conditions. It is a star-forming region illuminated by several large O-type stars that belong to the open cluster NGC 6530 visible in the center of the image. The brightest part of the nebula is called the hourglass nebula whose gases are excited mainly by two massive supergeant stars Herschel 36 and 9 Sagittarii. M8 has at least 60 Giant B stars, 3 to 4 times more than the Orion Nebula. The Lagoon nebula (M8), can be visible to the unaided eye as a small bright patch above the large Sagittarius star cloud in the Milky Way. The Lagoon nebula is a star - forming region about 5800 light years from us. The nebula is illuminated by several O - type giants within the open cluster NGC 6530 near the center of the nebula. The brightest part of the nebula is known as

R. Gendler

PIX4619656

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light from Earth. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. The colour picture reveals the burst of star formation triggered by the encounter, the large numbers of pink emission nebulae in the inter - galaxy region and the location of the numerous dark, brownish - yellow clouds of dust. The yellow nuclei of the two galaxies are also still visible in the colour picture as separate entities

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light from Earth. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. The colour picture reveals the burst of star formation triggered by the encounter, the large numbers of pink emission nebulae in the inter - galaxy region and the location of the numerous dark, brownish - yellow clouds of dust. The yellow nuclei of the two galaxies are also still visible in the colour picture as separate entities

PIX4611076

Etoile Merope in the Pleiades cluster - M45 - The Merope Nebulosity and IC 349 - Close up on the star Merope des Pleiades and its nebulosite. Image obtained with a telescope of 30 cm; 6h30 total installation. Star Merope in Pleiades star cluster seen on this 6 hours 30 minutes cumulative exposure

Etoile Merope in the Pleiades cluster - M45 - The Merope Nebulosity and IC 349 - Close up on the star Merope des Pleiades and its nebulosite. Image obtained with a telescope of 30 cm; 6h30 total installation. Star Merope in Pleiades star cluster seen on this 6 hours 30 minutes cumulative exposure

R. Gendler

PIX4568868

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light from Earth. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action, as seen here. The colour picture reveals the burst of star formation triggered by the encounter, the large numbers of pink emission nebulae in the inter - galaxy region and the location of the numerous dark, brownish - yellow clouds of dust. The yellow nuclei of the two galaxies are also still visible in the colour picture as separate entities

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light from Earth. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action, as seen here. The colour picture reveals the burst of star formation triggered by the encounter, the large numbers of pink emission nebulae in the inter - galaxy region and the location of the numerous dark, brownish - yellow clouds of dust. The yellow nuclei of the two galaxies are also still visible in the colour picture as separate entities

PIX4611114

Circumpolar - Star trails around north celestial pole - Photographic pose around the polar star

Circumpolar - Star trails around north celestial pole - Photographic pose around the polar star

PIX4580227

Open Cluster of Pleiades - The Pleiades star cluster - The Pleiades cluster is a cluster of about 500 young stars nees 150 million years ago. Visible in the constellation Taurus, this cluster is 440 years from the Earth. The Pleiades are one of the finest and nearest examples of a reflection nebula associated with a cluster of young stars. The cluster itself is a group of many hundreds of stars about 400 light years from Earth in the northern constellation of Taurus and has been recognised since ancient times. Seven of the brightest stars are quite easy to see with the unaided eye and bear the names of the Seven Sisters, the daughters of Atlas. The nebulosity seen here is light reflected from the particles in a cloud of cold gas and dust into which the cluster has drifted. It appears blue because these tiny interstellar particles scatter blue light more efficiently than the longer wavelengths of red light and it is streaky because of the distribution of dust particles in space

Open Cluster of Pleiades - The Pleiades star cluster - The Pleiades cluster is a cluster of about 500 young stars nees 150 million years ago. Visible in the constellation Taurus, this cluster is 440 years from the Earth. The Pleiades are one of the finest and nearest examples of a reflection nebula associated with a cluster of young stars. The cluster itself is a group of many hundreds of stars about 400 light years from Earth in the northern constellation of Taurus and has been recognised since ancient times. Seven of the brightest stars are quite easy to see with the unaided eye and bear the names of the Seven Sisters, the daughters of Atlas. The nebulosity seen here is light reflected from the particles in a cloud of cold gas and dust into which the cluster has drifted. It appears blue because these tiny interstellar particles scatter blue light more efficiently than the longer wavelengths of red light and it is streaky because of the distribution of dust particles in space

PIX4568850

Open Cluster of Pleiades - The Pleiades star cluster - The Pleiades cluster is a cluster of about 500 young stars nees 150 million years ago. Visible in the constellation Taurus, this cluster is 440 years from the Earth. The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is one of the brightest and famous star clusters visible in the northern hemisphere. It consists of about 500 bright, hot, young stars that were all born at the same time between 75 and 150 million years ago within a large cloud of dust and gas. The cluster contains many stars, of which only a handful are commonly visible to the naked eye. The blue haze that accompanies them is due to very fine dust which still remains and preferentially reflects the blue light from the stars. This star cluster lie some 440 light years away from the Earth, in the constellation of Taurus

Open Cluster of Pleiades - The Pleiades star cluster - The Pleiades cluster is a cluster of about 500 young stars nees 150 million years ago. Visible in the constellation Taurus, this cluster is 440 years from the Earth. The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is one of the brightest and famous star clusters visible in the northern hemisphere. It consists of about 500 bright, hot, young stars that were all born at the same time between 75 and 150 million years ago within a large cloud of dust and gas. The cluster contains many stars, of which only a handful are commonly visible to the naked eye. The blue haze that accompanies them is due to very fine dust which still remains and preferentially reflects the blue light from the stars. This star cluster lie some 440 light years away from the Earth, in the constellation of Taurus

R. Gendler

PIX4568697

Etoile Merope in the Pleiades cluster - M45 - The Merope Nebulosity - Close up on the star Merope des Pleiades and its nebulosite. The IC 349 cloud is discernable on this composite image obtained with two 30 cm and 50 cm diameter telescopes

Etoile Merope in the Pleiades cluster - M45 - The Merope Nebulosity - Close up on the star Merope des Pleiades and its nebulosite. The IC 349 cloud is discernable on this composite image obtained with two 30 cm and 50 cm diameter telescopes

R. Gendler

PIX4568899

Open Cluster of Pleiades - The Pleiades star cluster - The Pleiades cluster is a cluster of about 500 young stars nees 150 million years ago. Visible in the constellation Taurus, this cluster is 440 years from the Earth. The Pleiades are one of the finest and nearest examples of a reflection nebula associated with a cluster of young stars. The cluster itself is a group of many hundreds of stars about 400 light years from Earth in the northern constellation of Taurus and has been recognised since ancient times. Seven of the brightest stars are quite easy to see with the unaided eye and bear the names of the Seven Sisters, the daughters of Atlas. The nebulosity seen here is light reflected from the particles in a cloud of cold gas and dust into which the cluster has drifted. It appears blue because these tiny interstellar particles scatter blue light more efficiently than the longer wavelengths of red light and it is streaky because of the distribution of dust particles in space

Open Cluster of Pleiades - The Pleiades star cluster - The Pleiades cluster is a cluster of about 500 young stars nees 150 million years ago. Visible in the constellation Taurus, this cluster is 440 years from the Earth. The Pleiades are one of the finest and nearest examples of a reflection nebula associated with a cluster of young stars. The cluster itself is a group of many hundreds of stars about 400 light years from Earth in the northern constellation of Taurus and has been recognised since ancient times. Seven of the brightest stars are quite easy to see with the unaided eye and bear the names of the Seven Sisters, the daughters of Atlas. The nebulosity seen here is light reflected from the particles in a cloud of cold gas and dust into which the cluster has drifted. It appears blue because these tiny interstellar particles scatter blue light more efficiently than the longer wavelengths of red light and it is streaky because of the distribution of dust particles in space

PIX4568732

Open Cluster of Pleiades - The Pleiades star cluster - The Pleiades cluster is a cluster of about 500 young stars nees 150 million years ago. Visible in the constellation Taurus, this cluster is 440 years from the Earth. The Pleiades are one of the finest and nearest examples of a reflection nebula associated with a cluster of young stars. The cluster itself is a group of many hundreds of stars about 400 light years from Earth in the northern constellation of Taurus and has been recognised since ancient times. Seven of the brightest stars are quite easy to see with the unaided eye and bear the names of the Seven Sisters, the daughters of Atlas. The nebulosity seen here is light reflected from the particles in a cloud of cold gas and dust into which the cluster has drifted. It appears blue because these tiny interstellar particles scatter blue light more efficiently than the longer wavelengths of red light and it is streaky because of the distribution of dust particles in space

Open Cluster of Pleiades - The Pleiades star cluster - The Pleiades cluster is a cluster of about 500 young stars nees 150 million years ago. Visible in the constellation Taurus, this cluster is 440 years from the Earth. The Pleiades are one of the finest and nearest examples of a reflection nebula associated with a cluster of young stars. The cluster itself is a group of many hundreds of stars about 400 light years from Earth in the northern constellation of Taurus and has been recognised since ancient times. Seven of the brightest stars are quite easy to see with the unaided eye and bear the names of the Seven Sisters, the daughters of Atlas. The nebulosity seen here is light reflected from the particles in a cloud of cold gas and dust into which the cluster has drifted. It appears blue because these tiny interstellar particles scatter blue light more efficiently than the longer wavelengths of red light and it is streaky because of the distribution of dust particles in space

PIX4568741

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - On the left, an image of the galaxy NGC 4038 - 39 (antenna galaxy), obtained from the ground. On the right, a detail photograph by the Hubble space telescope showing young blue stars and numerous galaxies in the background. Located about 45 million years ago - light, NGC 4038 and NGC 4039 interact. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 45 million light year from us. At left, an image taken from the ground, at right, an image taken by the Hubble space telescope showing young blue stars and several galaxies in background

Interacting galaxies NGC 4038 - 4039 in the Raven - NGC 4038 - 39, the interacting galaxies of the Antennae - On the left, an image of the galaxy NGC 4038 - 39 (antenna galaxy), obtained from the ground. On the right, a detail photograph by the Hubble space telescope showing young blue stars and numerous galaxies in the background. Located about 45 million years ago - light, NGC 4038 and NGC 4039 interact. The collision started at least 100 million years ago causes intense star formation. NGC 4038 and 4039 are the well - known pair of interacting galaxies that show two broadly curved tails of stars, the 'antenna', extending a considerable distance from the action. Massive star formations are resulting of a recent collision between two galaxies (100 million years ago). This galaxy is located 45 million light year from us. At left, an image taken from the ground, at right, an image taken by the Hubble space telescope showing young blue stars and several galaxies in background

PIX4611091

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

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

PIX4569073

Hourglass Nebula in M8 - The Hourglass Nebula in M8, NGC 6523 - View of the Hourglass Nebula in the heart of the Lagoon Nebula (M8/NGC 6523). Located in Sagittarius, at a distance of 5800 light years, it is a region of star formation whose gases are excited mainly by two massive supergeant stars Herschel 36 and 9 Sagittarii. Image made with the 1.5m Danish telescope of La Silla in Chile. At the heart of the Lagoon Nebula in Sagittarius lies the diminutive Hourglass Nebula. Its gases are excited primarily by two massive O-type supergiants designated Herschel 36 and 9 Sagittarii. These two stars lie to the west of NGC 6530 and are separated from it by a dark lane which divides the nebula like a black lagoon, giving it its name. Twisted funnel shaped clouds are visible close to the illuminating stars, especially Herschel 36. The twists are due to shear forces between the hot excited gases at the surface and the cold interior of the clouds. These stars are probably less than 10,000 years o

Hourglass Nebula in M8 - The Hourglass Nebula in M8, NGC 6523 - View of the Hourglass Nebula in the heart of the Lagoon Nebula (M8/NGC 6523). Located in Sagittarius, at a distance of 5800 light years, it is a region of star formation whose gases are excited mainly by two massive supergeant stars Herschel 36 and 9 Sagittarii. Image made with the 1.5m Danish telescope of La Silla in Chile. At the heart of the Lagoon Nebula in Sagittarius lies the diminutive Hourglass Nebula. Its gases are excited primarily by two massive O-type supergiants designated Herschel 36 and 9 Sagittarii. These two stars lie to the west of NGC 6530 and are separated from it by a dark lane which divides the nebula like a black lagoon, giving it its name. Twisted funnel shaped clouds are visible close to the illuminating stars, especially Herschel 36. The twists are due to shear forces between the hot excited gases at the surface and the cold interior of the clouds. These stars are probably less than 10,000 years o

PIX4619660

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

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

Adam Block

PIX4619672

Interacting galaxies NGC 4038 - 4039 in the Raven - The Antennae galaxy in Corvus - On the left, seen from the ground of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. On the right, the image made by the space telescope Hubble on 20 January 1996 shows in detail the nuclei of these two twin galaxies surrounded by young clusters of blue stars, more than 1000, made up of young and massive stars. At left, a ground - based telescopic view of the Antennae galaxies (known formally as NGC 4038/4039) - so named because a pair of long tails of luminous matter, formed by the gravitational tidal forces of their encounter, resemble an insect's antennae. The galaxies are located 45 million light - years away in the southern constellation Corvus. At right, the respective cores of the twin galaxies are the orange blobs, left and right of image

Interacting galaxies NGC 4038 - 4039 in the Raven - The Antennae galaxy in Corvus - On the left, seen from the ground of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. On the right, the image made by the space telescope Hubble on 20 January 1996 shows in detail the nuclei of these two twin galaxies surrounded by young clusters of blue stars, more than 1000, made up of young and massive stars. At left, a ground - based telescopic view of the Antennae galaxies (known formally as NGC 4038/4039) - so named because a pair of long tails of luminous matter, formed by the gravitational tidal forces of their encounter, resemble an insect's antennae. The galaxies are located 45 million light - years away in the southern constellation Corvus. At right, the respective cores of the twin galaxies are the orange blobs, left and right of image

PIX4611051

Eagle Nebula (IC 4703) and M16 star cluster in the Snake - Eagle nebula in Serpens - The Eagle Nebula is a cluster of massive young stars (M16) surrounded by clouds of gas and dust. The three columns in the center of the image were sculpted by the intense radiation emitted by these massive stars. Stars will be born in these clouds if they survive the intense radiation that erodes these pillars. Image obtained by the 2,2m MPG/ESO telescope of the La Silla Observatory. Located in the constellation of Serpens, the Serpent, the Eagle Nebula is a very luminous open cluster of stars surrounded by dust and gas. The three pillars near the center of the image, made famous in an image by the Hubble Space Telescope, are being sculpted by the intense radiation from the hot stars in the cluster. This example is about 6000 - 7000 light years distant. Three - colour composite mosaic image based on images obtained with the Wide - Field Imager camera on the MPG/ESO 2.2 - metre telescope at the La Silla

Eagle Nebula (IC 4703) and M16 star cluster in the Snake - Eagle nebula in Serpens - The Eagle Nebula is a cluster of massive young stars (M16) surrounded by clouds of gas and dust. The three columns in the center of the image were sculpted by the intense radiation emitted by these massive stars. Stars will be born in these clouds if they survive the intense radiation that erodes these pillars. Image obtained by the 2,2m MPG/ESO telescope of the La Silla Observatory. Located in the constellation of Serpens, the Serpent, the Eagle Nebula is a very luminous open cluster of stars surrounded by dust and gas. The three pillars near the center of the image, made famous in an image by the Hubble Space Telescope, are being sculpted by the intense radiation from the hot stars in the cluster. This example is about 6000 - 7000 light years distant. Three - colour composite mosaic image based on images obtained with the Wide - Field Imager camera on the MPG/ESO 2.2 - metre telescope at the La Silla

PIX4620035

Star Birth in Scorpio - Stellar nursery in Scorpius - RCW 120 is a star-forming region about 4200 years from Earth in the constellation Scorpio. In the center a hot and massive star emits powerful ultraviolet radiation, which ionize the surrounding gas, tearing off electrons from the hydrogen atoms and producing the characteristic red glow of H - alpha emissions. As this ionized region extends into space, the associated shock wave meets the surrounding cold interstellar gas and cosmic dust. This gas becomes unstable and collapses under its own gravite forming dense, cold clouds or new stars will be born. These very cold clouds (- 250 degres Celsius) can only be detected in submillimetre wavelength; they appear here in blue thanks to the data obtained by the APEX telescope which observes this radiation. Illustrating the power of submillimetre - wavelength astronomy, an APEX image reveals how an expanding bubble of ionised gas about ten light - years across is causing the surrounding mat

Star Birth in Scorpio - Stellar nursery in Scorpius - RCW 120 is a star-forming region about 4200 years from Earth in the constellation Scorpio. In the center a hot and massive star emits powerful ultraviolet radiation, which ionize the surrounding gas, tearing off electrons from the hydrogen atoms and producing the characteristic red glow of H - alpha emissions. As this ionized region extends into space, the associated shock wave meets the surrounding cold interstellar gas and cosmic dust. This gas becomes unstable and collapses under its own gravite forming dense, cold clouds or new stars will be born. These very cold clouds (- 250 degres Celsius) can only be detected in submillimetre wavelength; they appear here in blue thanks to the data obtained by the APEX telescope which observes this radiation. Illustrating the power of submillimetre - wavelength astronomy, an APEX image reveals how an expanding bubble of ionised gas about ten light - years across is causing the surrounding mat

PIX4621694

S star Monocerotis and nebula - Fox Fur nebula in Monoceros - The region to the right of the bright star S Monocerotis is called Fox Fur nebula. This region where gas mixes with interstellar dust is located above the Cone nebula, about 2600 light years from Earth. Image obtained with a 61 cm telescope, composite of several images. The region around the 4.7 magnitude star S Mon is a fascinating mixture of red fluorescent hydrogen and dark, obscuring dust lanes. Some dust patches are close enough to bright stars to reflect light from them; these appear blue for the same reason that the day - time sky is blue - because some of the interstellar particles preferentially scatter blue light. The dust is mixed with gas and this affects the appearance of the emission nebulae, giving some of the faintest a curious 'fox fur' texture in this photograph. S Mon is part of a young open cluster of stars named NGC 2264 located about 2600 light years away, just north of the Cone nebula. Image taken with

S star Monocerotis and nebula - Fox Fur nebula in Monoceros - The region to the right of the bright star S Monocerotis is called Fox Fur nebula. This region where gas mixes with interstellar dust is located above the Cone nebula, about 2600 light years from Earth. Image obtained with a 61 cm telescope, composite of several images. The region around the 4.7 magnitude star S Mon is a fascinating mixture of red fluorescent hydrogen and dark, obscuring dust lanes. Some dust patches are close enough to bright stars to reflect light from them; these appear blue for the same reason that the day - time sky is blue - because some of the interstellar particles preferentially scatter blue light. The dust is mixed with gas and this affects the appearance of the emission nebulae, giving some of the faintest a curious 'fox fur' texture in this photograph. S Mon is part of a young open cluster of stars named NGC 2264 located about 2600 light years away, just north of the Cone nebula. Image taken with

Adam Block

PIX4618724

Circumpolar and Shooting Star - Circumpolar and Meteor - Circumpolar and meteor - A shooting star passes near the polar eoile. Photographic pose of 60 minutes obtained in April 1995. By pointing a camera towards the north at night, we can record the paths of stars which never set. They appear to circle the apparent position of the Earth's axis of rotation projected on the sky. On this 1 hour exposure, a shooting star appears near the pole star

Circumpolar and Shooting Star - Circumpolar and Meteor - Circumpolar and meteor - A shooting star passes near the polar eoile. Photographic pose of 60 minutes obtained in April 1995. By pointing a camera towards the north at night, we can record the paths of stars which never set. They appear to circle the apparent position of the Earth's axis of rotation projected on the sky. On this 1 hour exposure, a shooting star appears near the pole star

Laurent Laveder

PIX4580295

Barnard's Star Movement - The proper motion of Barnard's star - Barnard's Star is a red dwarf less than six years from Earth in the constellation Ophiuchus. Its proximity makes it move quickly ahead of the other stars. Barnard's star is known for having the most important clean movement. This composite image made from three images taken in 1988 (blue), 1991 (red) and 1993 (green) shows the shift of the star in 15 years. Barnard's Star is red dwarf star approximately 6 light - years away from Earth in the constellation of Ophiuchus Its proper motion is 10.3 arcseconds per year, which remains the largest known proper motion of any star relative to the Sun. The monochrome plates from which this 3 - colour picture were made were taken in 1988 (blue), 1991 (red) and 1993 (green) showing its movement over 15 years

Barnard's Star Movement - The proper motion of Barnard's star - Barnard's Star is a red dwarf less than six years from Earth in the constellation Ophiuchus. Its proximity makes it move quickly ahead of the other stars. Barnard's star is known for having the most important clean movement. This composite image made from three images taken in 1988 (blue), 1991 (red) and 1993 (green) shows the shift of the star in 15 years. Barnard's Star is red dwarf star approximately 6 light - years away from Earth in the constellation of Ophiuchus Its proper motion is 10.3 arcseconds per year, which remains the largest known proper motion of any star relative to the Sun. The monochrome plates from which this 3 - colour picture were made were taken in 1988 (blue), 1991 (red) and 1993 (green) showing its movement over 15 years

PIX4571864

Nebula IC 4628 in Scorpio - Nebula IC 4628 in Scorpius - Nebula with low light emission, IC 4628 (or Gum 56) is alongside the open cluster Collinder 316, which houses many hot young stars. This beautiful, arc - like rim of nebulosity is in the far southern sky, out of sight from most of the USA and Europe. It is quite faint and has often been overlooked because of it, even by southern observers. However, it is in a rich region in Scorpius. This richness is reflected in the number of names associated with the objects in the field illustrated here. There is a large scattered star cluster, Collinder 316 which extends over most of the picture. It encloses Trumpler 24, more or less the same cluster under another name, and all of this is part of the Sco OB1 association, a much larger gathering of very hot, intrinsically luminous stars in this part of the sky. The nebula itself is also known as Gum 56, after the Australian Colin Gum who catalogued emission nebulae in the southern sky using wi

Nebula IC 4628 in Scorpio - Nebula IC 4628 in Scorpius - Nebula with low light emission, IC 4628 (or Gum 56) is alongside the open cluster Collinder 316, which houses many hot young stars. This beautiful, arc - like rim of nebulosity is in the far southern sky, out of sight from most of the USA and Europe. It is quite faint and has often been overlooked because of it, even by southern observers. However, it is in a rich region in Scorpius. This richness is reflected in the number of names associated with the objects in the field illustrated here. There is a large scattered star cluster, Collinder 316 which extends over most of the picture. It encloses Trumpler 24, more or less the same cluster under another name, and all of this is part of the Sco OB1 association, a much larger gathering of very hot, intrinsically luminous stars in this part of the sky. The nebula itself is also known as Gum 56, after the Australian Colin Gum who catalogued emission nebulae in the southern sky using wi

PIX4622627

Nebula N159 in the Great Magellan Cloud - N159 star forming region in Large Magellanic Cloud (LMC): N159 is a star-forming region located in the galaxy of the Great Magellan Cloud. Image obtained by the Hubble Space Telescope (HST) - This shot from the NASA/ESA Hubble Space Telescope shows a maelstrom of glowing gas and dark dust within one of the Milky Way's satellite galaxies, the Large Magellanic Cloud (LMC). This stormy scene shows a stellar nursery known as N159, an HII region over 150 light-years across. N159 contains many hot young stars. These stars are emitting intense ultraviolet light, which causes nearby hydrogen gas to glow, and torrential stellar winds, which are carving out ridges, arcs, and filaments from the surrounding material. At the heart of this cosmic cloud lies the Papillon Nebula, a butterfly-shaped region of nebulosity. This small, dense object is classified as a High-Excitation Blob, and is thought to be tightly linked to the early stages of massive star form

Nebula N159 in the Great Magellan Cloud - N159 star forming region in Large Magellanic Cloud (LMC): N159 is a star-forming region located in the galaxy of the Great Magellan Cloud. Image obtained by the Hubble Space Telescope (HST) - This shot from the NASA/ESA Hubble Space Telescope shows a maelstrom of glowing gas and dark dust within one of the Milky Way's satellite galaxies, the Large Magellanic Cloud (LMC). This stormy scene shows a stellar nursery known as N159, an HII region over 150 light-years across. N159 contains many hot young stars. These stars are emitting intense ultraviolet light, which causes nearby hydrogen gas to glow, and torrential stellar winds, which are carving out ridges, arcs, and filaments from the surrounding material. At the heart of this cosmic cloud lies the Papillon Nebula, a butterfly-shaped region of nebulosity. This small, dense object is classified as a High-Excitation Blob, and is thought to be tightly linked to the early stages of massive star form

PIX4620798

Nebula of the Lagoon (M8) in Sagittarius - The Lagoon nebula (M8) in Sagittarius - View of the Nebula of the Lagoon (M8/NGC 6523). Located in Sagittarius, at a distance of 5800 years - light, it is visible to the naked eye in good conditions. It is a star-forming region illuminated by several large O-type stars that belong to the open cluster NGC 6530 visible in the center of the image. The brightest part of the nebula is called the hourglass nebula whose gases are excited mainly by two massive supergeant stars Herschel 36 and 9 Sagittarii. M8 has at least 60 Giant B stars, 3 to 4 times more than the Orion Nebula. The Lagoon nebula (M8), can be visible to the unaided eye as a small bright patch above the large Sagittarius star cloud in the Milky Way. The Lagoon nebula is a star - forming region about 5800 light years from us. The nebula is illuminated by several O - type giants within the open cluster NGC 6530 near the center of the nebula. The brightest part of the nebula is known as

Nebula of the Lagoon (M8) in Sagittarius - The Lagoon nebula (M8) in Sagittarius - View of the Nebula of the Lagoon (M8/NGC 6523). Located in Sagittarius, at a distance of 5800 years - light, it is visible to the naked eye in good conditions. It is a star-forming region illuminated by several large O-type stars that belong to the open cluster NGC 6530 visible in the center of the image. The brightest part of the nebula is called the hourglass nebula whose gases are excited mainly by two massive supergeant stars Herschel 36 and 9 Sagittarii. M8 has at least 60 Giant B stars, 3 to 4 times more than the Orion Nebula. The Lagoon nebula (M8), can be visible to the unaided eye as a small bright patch above the large Sagittarius star cloud in the Milky Way. The Lagoon nebula is a star - forming region about 5800 light years from us. The nebula is illuminated by several O - type giants within the open cluster NGC 6530 near the center of the nebula. The brightest part of the nebula is known as

R. Jay GaBany

PIX4619726

Eagle Nebula (IC 4703) and M16 star cluster in the Snake - The dust lanes in Messier 16 (NGC 6611) - Located in the Snake, this nebula is about 6000 years away from Earth. The M16 star cluster is a cluster of young stars formed about 2 million years ago in the Eagle nebula, IC 4703. These stars are much warmer than the Sun and can be 30 times more massive. Image made with Siding Spring's 3.9m telescope. There are few clearer examples anywhere of the intimate relationship between dust, gas and young stars than M16. We see a young cluster of stars (NGC 6611) which formed about 2 million years ago, illuminating a cloud of hydrogen gas. The gas is also dusty, and in places the dust is dense enough to prevent starlight from reaching the gas and making it glow with its distinctive red hue. The luminous hydrogen provides a vivid background against which are seen numerous dark lanes and discrete globules of dust. Many of the dusty clouds are edged with bright rims which indicate the direction

Eagle Nebula (IC 4703) and M16 star cluster in the Snake - The dust lanes in Messier 16 (NGC 6611) - Located in the Snake, this nebula is about 6000 years away from Earth. The M16 star cluster is a cluster of young stars formed about 2 million years ago in the Eagle nebula, IC 4703. These stars are much warmer than the Sun and can be 30 times more massive. Image made with Siding Spring's 3.9m telescope. There are few clearer examples anywhere of the intimate relationship between dust, gas and young stars than M16. We see a young cluster of stars (NGC 6611) which formed about 2 million years ago, illuminating a cloud of hydrogen gas. The gas is also dusty, and in places the dust is dense enough to prevent starlight from reaching the gas and making it glow with its distinctive red hue. The luminous hydrogen provides a vivid background against which are seen numerous dark lanes and discrete globules of dust. Many of the dusty clouds are edged with bright rims which indicate the direction

PIX4619969

Interacting galaxies NGC 4038 - 4039 in the Raven - The Antennae galaxy in Corvus - The galaxy NGC 4038 - 39 (antenna galaxy) is located about 45 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. These images made by the Hubble space telescope on 20 January 1996 show in detail the nuclei of these two twin galaxies (right) as well as clusters of blue stars, consisting of young and massive stars (left). The scale bar at the top of each image represents 1500 years - light. These four close - up views are taken from a head - on collision between two spiral galaxies, called the Antennae galaxies, seen at image center. The scale bar at the top of each image is 1,500 light - years across. Left: the collision triggers the birth of new stars in brilliant blue star clusters, the brightest of which contains roughly a million stars. The star clusters are blue because they are very young, the youngest b

Interacting galaxies NGC 4038 - 4039 in the Raven - The Antennae galaxy in Corvus - The galaxy NGC 4038 - 39 (antenna galaxy) is located about 45 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. These images made by the Hubble space telescope on 20 January 1996 show in detail the nuclei of these two twin galaxies (right) as well as clusters of blue stars, consisting of young and massive stars (left). The scale bar at the top of each image represents 1500 years - light. These four close - up views are taken from a head - on collision between two spiral galaxies, called the Antennae galaxies, seen at image center. The scale bar at the top of each image is 1,500 light - years across. Left: the collision triggers the birth of new stars in brilliant blue star clusters, the brightest of which contains roughly a million stars. The star clusters are blue because they are very young, the youngest b

PIX4611053

Interacting galaxies NGC 4038 - 4039 in the Raven - The Antennae galaxy in Corvus - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. Image obtained by the Hubble Space Telescope. The two spiral galaxies started to interact a few hundred million years ago, making the Antennae galaxies one of the nearest (about 45 million light years away) and youngest examples of a pair of colliding galaxies. Almost half of the faint objects in the Antennae image are young clusters containing tens of thousands of stars. The orange blobs to the left and right of image center are the two cores of the original galaxies and consist mainly of old stars criss - crossed by filaments of dust, which appears brown in the image. The two galaxies are dotted with brilliant blue star - forming regions surrounded by glowing hydrogen gas, appearing in the

Interacting galaxies NGC 4038 - 4039 in the Raven - The Antennae galaxy in Corvus - Image of the galaxy NGC 4038 - 39 (antenna galaxy), located about 45 million years ago - light. These two galaxies are interacting. The collision started at least 100 million years ago causes intense star formation. Image obtained by the Hubble Space Telescope. The two spiral galaxies started to interact a few hundred million years ago, making the Antennae galaxies one of the nearest (about 45 million light years away) and youngest examples of a pair of colliding galaxies. Almost half of the faint objects in the Antennae image are young clusters containing tens of thousands of stars. The orange blobs to the left and right of image center are the two cores of the original galaxies and consist mainly of old stars criss - crossed by filaments of dust, which appears brown in the image. The two galaxies are dotted with brilliant blue star - forming regions surrounded by glowing hydrogen gas, appearing in the

PIX4611075

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