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Constellation Orion - Constellation of Orio

Constellation Orion - Constellation of Orio

B&S.Fletcher

PIX4592395

Constellation Orion - Constellation of Orio

Constellation Orion - Constellation of Orio

Jerry Lodriguss

PIX4592402

Constellations of the Great Dog and Orion - Orion and Canis Major - On the left down, the constellation of the Great Dog with the star Sirius, on the right, the constellation Orion. At the top left, the star Procyon of the Little Dog. The stars Betelgeuse, Procyon and Sirius form the asterism of the Winter Triangle. The brightest star is Sirius in Canis Major. Above right, Orion, and above Sirius, on the left, Procyon in Canis Minor. Betelgeuse, Procyon and Sirius composes an asterism named the winter triangle

Constellations of the Great Dog and Orion - Orion and Canis Major - On the left down, the constellation of the Great Dog with the star Sirius, on the right, the constellation Orion. At the top left, the star Procyon of the Little Dog. The stars Betelgeuse, Procyon and Sirius form the asterism of the Winter Triangle. The brightest star is Sirius in Canis Major. Above right, Orion, and above Sirius, on the left, Procyon in Canis Minor. Betelgeuse, Procyon and Sirius composes an asterism named the winter triangle

PIX4590797

Comparison of Sun and Betelgeuse sizes - Size comparison: Betelgeuse and Sun - Betelgeuse star is a supergeant red star in the constellation Orion. It's one of the biggest stars known. It appears on this illustration at the scale next to the Sun (at the top). Betelgeuse is a red giant, one of the largest stars known. It forms the left shoulder of the constellation Orion. If Betelgeuse was placed at the center of our solar system, its fuzzy edge would extent out well beyond the orbit of Mars

Comparison of Sun and Betelgeuse sizes - Size comparison: Betelgeuse and Sun - Betelgeuse star is a supergeant red star in the constellation Orion. It's one of the biggest stars known. It appears on this illustration at the scale next to the Sun (at the top). Betelgeuse is a red giant, one of the largest stars known. It forms the left shoulder of the constellation Orion. If Betelgeuse was placed at the center of our solar system, its fuzzy edge would extent out well beyond the orbit of Mars

M. Carroll

PIX4571774

Orion Constellation - Constellation of Orion - Orion the Hunter is one of the most familar and best known constellations. There is extensive and varied mythology about this beautiful collection of stars, but the most common Greek legend has Orion as a giant huntsman, and he appears in this role in Homer's Odyssey. The most persistent legend seems to be that he died from the sting of a giant scorpion, which was placed in the sky so that Orion sets as the Scorpius rises, in an eternal chase across the sky. The momorable outline of the Hunter proudly bestrides the celestial equator and is equally visible from both hemispheres. The distinctive, equally spaced line of stars of Orion's Belt are more or less on the equator and are framed by quartet of bright and colourful stars. More subtle is Orions short sword, hanging from his belt. Under dark skies or in binoculars the central 'star' is distinctly misty. This is the famous Orion nebula, one of many well known telescopic objects that fill this part of the sky. The westernmost Orion Belt star delta Orionis (Minkata) is about a quarter of a degree of arc south of the celestial equator and all three belt stars are within 2 degrees of it. This means they rise and set due east or west of the observer and track the equator across the sky during the night, tracing straight lines in star trail photographs. Note that Orion is upside down as seen from the southern hemisphere, where it is often called 'the saucepan', with the Belt stars forming the base and the Sword stars the handle — Orion Constellation - Constellation of Orion - Orion the Hunter is one of the most familar and best known constellations. There is extensive and varied mythology about this beautiful collection of stars, but the most common Greek legend has Orion as a giant huntsman, and he appears in this role in Homer's Odyssey. The most persistent legend seems to be that he died from the sting of a giant scorpion, which was placed in the sky so that Orion sets as the Scorpius rises, in an eternal chase across the sky. The momorable outline of the Hunter proudly bestrides the celestial equator and is equally visible from both hemispheres. The distinctive, equally spaced line of stars of Orion's Belt are more or less on the equator and are framed by quartet of bright and colourful stars. More subtle is Orions short sword, hanging from his belt. Under dark skies or in binoculars the central 'star' is distinctly misty. This is the famous Orion nebula, one of many well known telescopic objects that fill

Orion Constellation - Constellation of Orion - Orion the Hunter is one of the most familar and best known constellations. There is extensive and varied mythology about this beautiful collection of stars, but the most common Greek legend has Orion as a giant huntsman, and he appears in this role in Homer's Odyssey. The most persistent legend seems to be that he died from the sting of a giant scorpion, which was placed in the sky so that Orion sets as the Scorpius rises, in an eternal chase across the sky. The momorable outline of the Hunter proudly bestrides the celestial equator and is equally visible from both hemispheres. The distinctive, equally spaced line of stars of Orion's Belt are more or less on the equator and are framed by quartet of bright and colourful stars. More subtle is Orions short sword, hanging from his belt. Under dark skies or in binoculars the central 'star' is distinctly misty. This is the famous Orion nebula, one of many well known telescopic objects that fill

PIX4592404

Orion Constellation - Constellation of Orion - Orion the Hunter is one of the most familar and best known constellations. There is extensive and varied mythology about this beautiful collection of stars, but the most common Greek legend has Orion as a giant huntsman, and he appears in this role in Homer's Odyssey. The most persistent legend seems to be that he died from the sting of a giant scorpion, which was placed in the sky so that Orion sets as the Scorpius rises, in an eternal chase across the sky. The momorable outline of the Hunter proudly bestrides the celestial equator and is equally visible from both hemispheres. The distinctive, equally spaced line of stars of Orion's Belt are more or less on the equator and are framed by quartet of bright and colourful stars. More subtle is Orions short sword, hanging from his belt. Under dark skies or in binoculars the central 'star' is distinctly misty. This is the famous Orion nebula, one of many well known telescopic objects that fill this part of the sky. The westernmost Orion Belt star delta Orionis (Minkata) is about a quarter of a degree of arc south of the celestial equator and all three belt stars are within 2 degrees of it. This means they rise and set due east or west of the observer and track the equator across the sky during the night, tracing straight lines in star trail photographs. Note that Orion is upside down as seen from the southern hemisphere, where it is often called 'the saucepan', with the Belt stars forming the base and the Sword stars the handle — Orion Constellation - Constellation of Orion - Orion the Hunter is one of the most familar and best known constellations. There is extensive and varied mythology about this beautiful collection of stars, but the most common Greek legend has Orion as a giant huntsman, and he appears in this role in Homer's Odyssey. The most persistent legend seems to be that he died from the sting of a giant scorpion, which was placed in the sky so that Orion sets as the Scorpius rises, in an eternal chase across the sky. The momorable outline of the Hunter proudly bestrides the celestial equator and is equally visible from both hemispheres. The distinctive, equally spaced line of stars of Orion's Belt are more or less on the equator and are framed by quartet of bright and colourful stars. More subtle is Orions short sword, hanging from his belt. Under dark skies or in binoculars the central 'star' is distinctly misty. This is the famous Orion nebula, one of many well known telescopic objects that fill

Orion Constellation - Constellation of Orion - Orion the Hunter is one of the most familar and best known constellations. There is extensive and varied mythology about this beautiful collection of stars, but the most common Greek legend has Orion as a giant huntsman, and he appears in this role in Homer's Odyssey. The most persistent legend seems to be that he died from the sting of a giant scorpion, which was placed in the sky so that Orion sets as the Scorpius rises, in an eternal chase across the sky. The momorable outline of the Hunter proudly bestrides the celestial equator and is equally visible from both hemispheres. The distinctive, equally spaced line of stars of Orion's Belt are more or less on the equator and are framed by quartet of bright and colourful stars. More subtle is Orions short sword, hanging from his belt. Under dark skies or in binoculars the central 'star' is distinctly misty. This is the famous Orion nebula, one of many well known telescopic objects that fill

PIX4592500

Constellations of Orion and Tauru - Constellations of Orion and Tauru

Constellations of Orion and Tauru - Constellations of Orion and Tauru

B&S.Fletcher

PIX4592970

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

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

M. Carroll

PIX4571710

The evolution of stars - Illustration - The evolution of the stars - Illustration - All stars are born in interstellar clouds but according to their masses they will follow different destinies

The evolution of stars - Illustration - The evolution of the stars - Illustration - All stars are born in interstellar clouds but according to their masses they will follow different destinies

P. Carril

PIX4573022

Constellation Orion - Constellation of Orio

Constellation Orion - Constellation of Orio

Sebastian Voltmer

PIX4592489

Constellations of Orion and Great Dog - Constellations of Canis Major and Orion - On the left the constellation of the Great Dog with the star Sirius, on the right, the constellation Orion. A shooting star is visible at the top left

Constellations of Orion and Great Dog - Constellations of Canis Major and Orion - On the left the constellation of the Great Dog with the star Sirius, on the right, the constellation Orion. A shooting star is visible at the top left

B&S.Fletcher

PIX4590776

Constellations of the Great Dog, Orion and Taurus - Winter constellations. On the left the constellation of the Great Dog with the star Sirius, in the center the constellation Orion, on the right the constellation of the Taurus with the cluster of the Hyades and the cluster of the Pleiades. Image obtained on November 3, 2005 in New Jersey - USA. The constellations of Canis Major (the Big Dog), Orion (the Hunter), and Taurus (the Bull) stretch across the winter sky just before the start of dawn in the beginning of November. Sirius, the brightest star in the night sky, dominates the left side of the frame. Sirius is the alpha star in the constellation of Canis Major and is located only 9 light years away. Orion, the most distinctive of the winter constellations, is in the middle of the frame. The Hyades and Pleiades (the 7 Sisters), two beautiful open clusters in Taurus, are on the right side of the image

Constellations of the Great Dog, Orion and Taurus - Winter constellations. On the left the constellation of the Great Dog with the star Sirius, in the center the constellation Orion, on the right the constellation of the Taurus with the cluster of the Hyades and the cluster of the Pleiades. Image obtained on November 3, 2005 in New Jersey - USA. The constellations of Canis Major (the Big Dog), Orion (the Hunter), and Taurus (the Bull) stretch across the winter sky just before the start of dawn in the beginning of November. Sirius, the brightest star in the night sky, dominates the left side of the frame. Sirius is the alpha star in the constellation of Canis Major and is located only 9 light years away. Orion, the most distinctive of the winter constellations, is in the middle of the frame. The Hyades and Pleiades (the 7 Sisters), two beautiful open clusters in Taurus, are on the right side of the image

Jerry Lodriguss

PIX4590815

Constellation Scorpio - Milky way and constellation of Scorpius - Scorpius is one of the few constellations whose star pattern resembles its name. The curved stinging tail is marked by the star Shahula, probably from the Arabic 'Al Shaulah' meaning 'raised tail', as seen in a scorpion. In the body of the scorpion lies Antares, meaning 'rival of Mars' for its reddish colour. The head of the scorpion is echoed in the star name Dschubba, meaning 'forehead'. However, the scorpion shape looks trucated in our photograph and it is. In ancient times it extended into what is now Libra, where the brightest stars (not seen here) still carry the resonant names Zeubenelgenubi (a1,2 Lib, the southern claw) and Zeubeneschamali (ss Lib, the northern claw). This celestial scorpion was sent by a jealous Artemis to kill Orion, who still fees the venomous insect: as Scorpius rises Orion sets, and vice - versa. However, he could not be saved even by Asclepius, the god of healing, who was later sent into the heavens as Ophiuchus, the serpent wrestler, a symbol still used by the medical profession. The constellation bestrides one of the richest parts of the southern Milky Way and is adorned by many beautiful stars. It is rich in young stars clusters and the nebulae from which they spring. Some examples are listed below. This image was a long exposure made to show the Milky Way — Constellation Scorpio - Milky way and constellation of Scorpius - Scorpius is one of the few constellations whose star pattern resembles its name. The curved stinging tail is marked by the star Shahula, probably from the Arabic 'Al Shaulah' meaning 'raised tail', as seen in a scorpion. In the body of the scorpion lies Antares, meaning 'rival of Mars' for its reddish colour. The head of the scorpion is echoed in the star name Dschubba, meaning 'forehead'. However, the scorpion shape looks trucated in our photograph and it is. In ancient times it extended into what is now Libra, where the brightest stars (not seen here) still carry the resonant names Zeubenelgenubi (a1,2 Lib, the southern claw) and Zeubeneschamali (ss Lib, the northern claw). This celestial scorpion was sent by a jealous Artemis to kill Orion, who still fees the venomous insect: as Scorpius rises Orion sets, and vice - versa. However, he could not be saved even by Asclepius, the god of healing, who was later sent into th

Constellation Scorpio - Milky way and constellation of Scorpius - Scorpius is one of the few constellations whose star pattern resembles its name. The curved stinging tail is marked by the star Shahula, probably from the Arabic 'Al Shaulah' meaning 'raised tail', as seen in a scorpion. In the body of the scorpion lies Antares, meaning 'rival of Mars' for its reddish colour. The head of the scorpion is echoed in the star name Dschubba, meaning 'forehead'. However, the scorpion shape looks trucated in our photograph and it is. In ancient times it extended into what is now Libra, where the brightest stars (not seen here) still carry the resonant names Zeubenelgenubi (a1,2 Lib, the southern claw) and Zeubeneschamali (ss Lib, the northern claw). This celestial scorpion was sent by a jealous Artemis to kill Orion, who still fees the venomous insect: as Scorpius rises Orion sets, and vice - versa. However, he could not be saved even by Asclepius, the god of healing, who was later sent into th

PIX4593873

Mars Planet Passage (middle left of the image) in front of the nebula Rho Ophiuchi on August 25, 2016 - This star-forming region is located about 520 light years away. The brightest star below is the star Antares, from the Scorpio. Right, star cluster M4 - Mars passing the Rho Ophiuchi cloud complex on Aug 25, 2016 - This star-forming region is located at about 520 light years in Scorpius constellation. The area is highlighted by the bright star Antares (bottom), a red supergiant 40,000 times more luminous than our sun

Mars Planet Passage (middle left of the image) in front of the nebula Rho Ophiuchi on August 25, 2016 - This star-forming region is located about 520 light years away. The brightest star below is the star Antares, from the Scorpio. Right, star cluster M4 - Mars passing the Rho Ophiuchi cloud complex on Aug 25, 2016 - This star-forming region is located at about 520 light years in Scorpius constellation. The area is highlighted by the bright star Antares (bottom), a red supergiant 40,000 times more luminous than our sun

Sebastian Voltmer

PIX4650987

Supernova 1993J exploding (artist's impression) - In 1993 the supernova SN 1993J appeared in the galaxy M81. The illustration shows the supergiant red star exploding after transferring a huge mass of hydrogen to its companion star (right). In this artist's view the red supergiant supernova progenitor star (left) is exploding after having transferred about 10 solar masses of hydrogen gas to the blue companion star (right). This interaction process happened over about 250 years and affected the supernova explosion to such an extent that SN 1993J was later known as one of the most peculiar supernovae ever seen

Supernova 1993J exploding (artist's impression) - In 1993 the supernova SN 1993J appeared in the galaxy M81. The illustration shows the supergiant red star exploding after transferring a huge mass of hydrogen to its companion star (right). In this artist's view the red supergiant supernova progenitor star (left) is exploding after having transferred about 10 solar masses of hydrogen gas to the blue companion star (right). This interaction process happened over about 250 years and affected the supernova explosion to such an extent that SN 1993J was later known as one of the most peculiar supernovae ever seen

PIX4583292

Scorpio Constellation - Constellation of Scorpius - The star Antares with its orange eclate dominates the constellation Scorpio. Starry sky with the constellation of Scorpius with the reddish star Antares

Scorpio Constellation - Constellation of Scorpius - The star Antares with its orange eclate dominates the constellation Scorpio. Starry sky with the constellation of Scorpius with the reddish star Antares

PIX4593894

Constellation Scorpio - Constellation of Scorpiu

Constellation Scorpio - Constellation of Scorpiu

PIX4593725

Constellation Orion - Constellation of Orion - Orion, a constellation often referred to as The Hunter, is a prominent constellation, perhaps the best - known in the sky. Its brilliant stars are found on the celestial equator and are visible throughout the world, making this constellation universally recognized

Constellation Orion - Constellation of Orion - Orion, a constellation often referred to as The Hunter, is a prominent constellation, perhaps the best - known in the sky. Its brilliant stars are found on the celestial equator and are visible throughout the world, making this constellation universally recognized

Christopher Picking

PIX4592414

Constellation Scorpio - Constellation of Scorpiu

Constellation Scorpio - Constellation of Scorpiu

B&S.Fletcher

PIX4593698

Constellation Scorpio - Constellation of Scorpiu

Constellation Scorpio - Constellation of Scorpiu

PIX4593735

Constellation Scorpio - Constellation of Scorpiu

Constellation Scorpio - Constellation of Scorpiu

PIX4593742

Constellation of Scorpio - Constellation of Scorpius - Scorpius is one of the constellations of the zodiac. It lies between Libra to the west and Sagittarius to the east

Constellation of Scorpio - Constellation of Scorpius - Scorpius is one of the constellations of the zodiac. It lies between Libra to the west and Sagittarius to the east

Christopher Picking

PIX4593697

Constellation Scorpio - Constellation of Scorpius - Star Antares in Scorpius dominates the sky north of the Milky Way. Image incudes large parts of Sagittarius

Constellation Scorpio - Constellation of Scorpius - Star Antares in Scorpius dominates the sky north of the Milky Way. Image incudes large parts of Sagittarius

PIX4593766

Constellation Scorpio - Constellation of Scorpius - Star Antares in Scorpius dominates the sky north of the Milky Way. Image incudes large parts of Sagittarius

Constellation Scorpio - Constellation of Scorpius - Star Antares in Scorpius dominates the sky north of the Milky Way. Image incudes large parts of Sagittarius

PIX4593724

Evolution of a giant blue star - Artist view - Death of a blue giant star - Artist view - Vue d'artiste de la mort d'une supergeante. After several million years of existence, the blue giant star (on the left) swell to become a red supergeante; its heart contracts and its weight heats, resulting in the evaporation of the outer layers of the star (in the centre). When the nucleus is empty of its energy, it compresses itself causing the explosion of the star (a supernova, on the right). This image shows steps in a celestial cataclysm. After several million years, a blue giant star (at left) is becoming a red supergiant (center). As the nuclear reaction within a giant star's core falters, the core collapses, triggering an intensely energetic rebound and the star explodes (a supernova, at right)

Evolution of a giant blue star - Artist view - Death of a blue giant star - Artist view - Vue d'artiste de la mort d'une supergeante. After several million years of existence, the blue giant star (on the left) swell to become a red supergeante; its heart contracts and its weight heats, resulting in the evaporation of the outer layers of the star (in the centre). When the nucleus is empty of its energy, it compresses itself causing the explosion of the star (a supernova, on the right). This image shows steps in a celestial cataclysm. After several million years, a blue giant star (at left) is becoming a red supergiant (center). As the nuclear reaction within a giant star's core falters, the core collapses, triggering an intensely energetic rebound and the star explodes (a supernova, at right)

PIX4583280

Star Antares in Scorpio - Star Antares in Scorpius - Supergeant star - On its left the globular cluster M4. To its left, the globular cluster M4

Star Antares in Scorpio - Star Antares in Scorpius - Supergeant star - On its left the globular cluster M4. To its left, the globular cluster M4

Serge Brunier

PIX4571699

Open cluster NGC 4755 - Jewel Box - The Jewel Box star cluster - The NGC 4755 cluster is located in the constellation of the Southern Cross at a distance of 6400 years - light from Earth. The bright orange star on the top right is Kappa Crucis, a supergiant red star. This cluster contains about fifty stars formed about 16 million years ago. This close-up of the center of the cluster was obtained with the Hubble Space Telescope. This image is a “” close - up 'view from the NASA/ESA Hubble Space Telescope of NGC 4755, or the Jewel Box cluster. Several very bright, pale blue supergiant stars, a solitary ruby - red supergiant and a variety of other brilliantly coloured stars are visible in the image, as well as many much fainter ones, often with intriguing colours. The huge variety in brightness exists because the brighter stars are 15 to 20 times the mass of the Sun, while the dimmest stars are less than half the mass of the Sun. This is the first image of an open galactic cluster with imaging extending from the far ultraviolet to the near - infrared. NGC 4755 (Caldwell 94) is called the Jewel Box, based on John Herschel's comment in the 1830's that it looked like a superb piece of jewelry. There are about 50 stars in this cluster which formed some 14 million years ago. Most of the cluster members are blue giants which in a few million years will exhaust their hydrogen fuel and become red giants on their way to a cataclysmic end as supernovae. One red giant can already be seen at the center of the cluster (top right) — Open cluster NGC 4755 - Jewel Box - The Jewel Box star cluster - The NGC 4755 cluster is located in the constellation of the Southern Cross at a distance of 6400 years - light from Earth. The bright orange star on the top right is Kappa Crucis, a supergiant red star. This cluster contains about fifty stars formed about 16 million years ago. This close-up of the center of the cluster was obtained with the Hubble Space Telescope. This image is a “” close - up 'view from the NASA/ESA Hubble Space Telescope of NGC 4755, or the Jewel Box cluster. Several very bright, pale blue supergiant stars, a solitary ruby - red supergiant and a variety of other brilliantly coloured stars are visible in the image, as well as many much fainter ones, often with intriguing colours. The huge variety in brightness exists because the brighter stars are 15 to 20 times the mass of the Sun, while the dimmest stars are less than half the mass of the Sun. This is the first image of an open galactic cluster with im

Open cluster NGC 4755 - Jewel Box - The Jewel Box star cluster - The NGC 4755 cluster is located in the constellation of the Southern Cross at a distance of 6400 years - light from Earth. The bright orange star on the top right is Kappa Crucis, a supergiant red star. This cluster contains about fifty stars formed about 16 million years ago. This close-up of the center of the cluster was obtained with the Hubble Space Telescope. This image is a “” close - up 'view from the NASA/ESA Hubble Space Telescope of NGC 4755, or the Jewel Box cluster. Several very bright, pale blue supergiant stars, a solitary ruby - red supergiant and a variety of other brilliantly coloured stars are visible in the image, as well as many much fainter ones, often with intriguing colours. The huge variety in brightness exists because the brighter stars are 15 to 20 times the mass of the Sun, while the dimmest stars are less than half the mass of the Sun. This is the first image of an open galactic cluster with im

PIX4568246

Open cluster NGC 4755 - Jewel Box - The Jewel Box cluster, NGC 4755 - NGC 4755 is located in the constellation of the Southern Cross at a distance of 7800 years - light from Earth. The bright orange star is Kappa Crucis, a supergiant red star. This famous group of young bright stars is an open cluster some 7800 light years from the Sun. It was named the Jewel Box from its description by Sir John Herschel as 'a casket of variously coloured precious stones', which refers to its appearance in the telescope. The bright orange star is kappa Crucis, and it contrasts strongly against its predominantly blue, hot companions. Kappa Cru is a very large, (hence very luminous) quite young star in its red supergiant stage, which paradoxically indicates that its life is drawing to a close. The cluster is looks like a star to the unaided eye and appears close to the eastern - most star of the Southern Cross, so is only visible from southern latitude

Open cluster NGC 4755 - Jewel Box - The Jewel Box cluster, NGC 4755 - NGC 4755 is located in the constellation of the Southern Cross at a distance of 7800 years - light from Earth. The bright orange star is Kappa Crucis, a supergiant red star. This famous group of young bright stars is an open cluster some 7800 light years from the Sun. It was named the Jewel Box from its description by Sir John Herschel as 'a casket of variously coloured precious stones', which refers to its appearance in the telescope. The bright orange star is kappa Crucis, and it contrasts strongly against its predominantly blue, hot companions. Kappa Cru is a very large, (hence very luminous) quite young star in its red supergiant stage, which paradoxically indicates that its life is drawing to a close. The cluster is looks like a star to the unaided eye and appears close to the eastern - most star of the Southern Cross, so is only visible from southern latitude

PIX4568295

Star Antares in the Scorpion - The nebula around Antares - Supergeant star Antares seen at the 3.9m telescope of Siding Spring. To his right is the globular cluster NGC 6144. Antares is a giant among stars, and like giants in general, very rare. Antares has spent most of its short life as a highly luminous blue supergiant star, its mass obliging it to consume its vast store of nuclear fuel (hydrogen) very rapidly. This nuclear fusion process supplied the energy that prevented the star collapsing in on itself - - all stars support themselves against gravity in this way. Now, the supply of fuel in the core of the star is close to exhaustion and the star has undergone a major internal re - arrangement to cope with the changed circumstances, both cooling and swelling in the process. This star is big; the earth would be inside it if it were to replace the sun. At its cool, distended surface, tiny solid particles begin to appear, made of the heavier trace elements formed with in the star. They drift away, reflecting its light and making the yellowish nebula that seems to envelop the moribund star, soon to be a supernova — Star Antares in the Scorpion - The nebula around Antares - Supergeant star Antares seen at the 3.9m telescope of Siding Spring. To his right is the globular cluster NGC 6144. Antares is a giant among stars, and like giants in general, very rare. Antares has spent most of its short life as a highly luminous blue supergiant star, its mass obliging it to consume its vast store of nuclear fuel (hydrogen) very rapidly. This nuclear fusion process supplied the energy that prevented the star collapsing in on itself - - all stars support themselves against gravity in this way. Now, the supply of fuel in the core of the star is close to exhaustion and the star has undergone a major internal re - arrangement to cope with the changed circumstances, both cooling and swelling in the process. This star is big; the earth would be inside it if it were to replace the sun. At its cool, distended surface, tiny solid particles begin to appear, made of the heavier trace elements formed with in the star. Th

Star Antares in the Scorpion - The nebula around Antares - Supergeant star Antares seen at the 3.9m telescope of Siding Spring. To his right is the globular cluster NGC 6144. Antares is a giant among stars, and like giants in general, very rare. Antares has spent most of its short life as a highly luminous blue supergiant star, its mass obliging it to consume its vast store of nuclear fuel (hydrogen) very rapidly. This nuclear fusion process supplied the energy that prevented the star collapsing in on itself - - all stars support themselves against gravity in this way. Now, the supply of fuel in the core of the star is close to exhaustion and the star has undergone a major internal re - arrangement to cope with the changed circumstances, both cooling and swelling in the process. This star is big; the earth would be inside it if it were to replace the sun. At its cool, distended surface, tiny solid particles begin to appear, made of the heavier trace elements formed with in the star. Th

PIX4571707

Open cluster NGC 4755 - Jewel box - The Jewel Box cluster - The NGC 4755 cluster is located in the constellation of the Southern Cross at a distance of 7800 years - light from Earth. The bright orange star is Kappa Crucis, a supergiant red star. This cluster contains about fifty stars formed about 14 million years ago. NGC4755 (Caldwell 94) is called the Jewel Box, based on John Herschel's comment in the 1830's that it looked like a superb piece of jewelry. There are about 50 stars in this cluster which formed some 14 million years ago. Most of the cluster members are blue giants which in a few million years will exhaust their hydrogen fuel and become red giants on their way to a cataclysmic end as supernovae. One red giant can already be seen at the center of the cluster

Open cluster NGC 4755 - Jewel box - The Jewel Box cluster - The NGC 4755 cluster is located in the constellation of the Southern Cross at a distance of 7800 years - light from Earth. The bright orange star is Kappa Crucis, a supergiant red star. This cluster contains about fifty stars formed about 14 million years ago. NGC4755 (Caldwell 94) is called the Jewel Box, based on John Herschel's comment in the 1830's that it looked like a superb piece of jewelry. There are about 50 stars in this cluster which formed some 14 million years ago. Most of the cluster members are blue giants which in a few million years will exhaust their hydrogen fuel and become red giants on their way to a cataclysmic end as supernovae. One red giant can already be seen at the center of the cluster

R. Gendler

PIX4568254

Constellation Orion - Constellation of Orion - The constellation of Orion rises over the Mullica River in the Pine Barrens forest of New Jersey

Constellation Orion - Constellation of Orion - The constellation of Orion rises over the Mullica River in the Pine Barrens forest of New Jersey

Jerry Lodriguss

PIX4592405

Orion and Sirius Constellation - Constellation of Orion and Sirius - Winter Sky. To the left is the star Sirius, to the right is the constellation Orion. Image obtained on 11 December 2006. To the left star Sirius and to the right the constellation of Orion, in a winter sky. Dec 11 2006

Orion and Sirius Constellation - Constellation of Orion and Sirius - Winter Sky. To the left is the star Sirius, to the right is the constellation Orion. Image obtained on 11 December 2006. To the left star Sirius and to the right the constellation of Orion, in a winter sky. Dec 11 2006

Stefan Seip

PIX4592428

Constellation Orion - Constellation of Orion - The constellation of Orion rises over the Mullica River in the Pine Barrens forest of New Jersey

Constellation Orion - Constellation of Orion - The constellation of Orion rises over the Mullica River in the Pine Barrens forest of New Jersey

Jerry Lodriguss

PIX4592412

Antares star and globular clusters in the Scorpion - The nebula around Antares and globular clusters - Supergeante star Antares seen at the 3.9m telescope from Siding Spring. At the top right is the globular cluster NGC 6144, at the extreme right, cluster M4. Antares is a giant among stars, and like giants in general, very rare. Antares has spent most of its short life as a highly luminous blue supergiant star, its mass obliging it to consume its vast store of nuclear fuel (hydrogen) very rapidly. This nuclear fusion process supplied the energy that prevented the star collapsing in on itself - - all stars support themselves against gravity in this way. Now, the supply of fuel in the core of the star is close to exhaustion and the star has undergone a major internal re - arrangement to cope with the changed circumstances, both cooling and swelling in the process. This star is big; the earth would be inside it if it were to replace the sun. At its cool, distended surface, tiny solid particles begin to appear, made of the heavier trace elements formed with in the star. They drift away, reflecting its light and making the yellowish nebula that seems to envelop the moribund star, soon to be a supernova. Globular clusters NGC 6144 (close to the star) and M4 (far right) can be seen in this picture — Antares star and globular clusters in the Scorpion - The nebula around Antares and globular clusters - Supergeante star Antares seen at the 3.9m telescope from Siding Spring. At the top right is the globular cluster NGC 6144, at the extreme right, cluster M4. Antares is a giant among stars, and like giants in general, very rare. Antares has spent most of its short life as a highly luminous blue supergiant star, its mass obliging it to consume its vast store of nuclear fuel (hydrogen) very rapidly. This nuclear fusion process supplied the energy that prevented the star collapsing in on itself - - all stars support themselves against gravity in this way. Now, the supply of fuel in the core of the star is close to exhaustion and the star has undergone a major internal re - arrangement to cope with the changed circumstances, both cooling and swelling in the process. This star is big; the earth would be inside it if it were to replace the sun. At its cool, distended surface, tiny solid part

Antares star and globular clusters in the Scorpion - The nebula around Antares and globular clusters - Supergeante star Antares seen at the 3.9m telescope from Siding Spring. At the top right is the globular cluster NGC 6144, at the extreme right, cluster M4. Antares is a giant among stars, and like giants in general, very rare. Antares has spent most of its short life as a highly luminous blue supergiant star, its mass obliging it to consume its vast store of nuclear fuel (hydrogen) very rapidly. This nuclear fusion process supplied the energy that prevented the star collapsing in on itself - - all stars support themselves against gravity in this way. Now, the supply of fuel in the core of the star is close to exhaustion and the star has undergone a major internal re - arrangement to cope with the changed circumstances, both cooling and swelling in the process. This star is big; the earth would be inside it if it were to replace the sun. At its cool, distended surface, tiny solid part

PIX4571773

Antares star and the Rho Ophiuchi nebula - This coloree nebula represents the visible part of a very large molecule cloud, the Ophiuchus cloud. This star-forming region is located about 520 light years away. The brightest star below is the star Antares, from the Scorpio. On the right, the M4 star cluster. View of the region surrounding the bright triple star Rho Ophiuchus (in the blue cloud). This star-forming region is located at about 520 light years in Scorpius constellation. The area is highlighted by the bright star Antares (bottom), a red supergiant 40,000 times more luminous than our sun

Antares star and the Rho Ophiuchi nebula - This coloree nebula represents the visible part of a very large molecule cloud, the Ophiuchus cloud. This star-forming region is located about 520 light years away. The brightest star below is the star Antares, from the Scorpio. On the right, the M4 star cluster. View of the region surrounding the bright triple star Rho Ophiuchus (in the blue cloud). This star-forming region is located at about 520 light years in Scorpius constellation. The area is highlighted by the bright star Antares (bottom), a red supergiant 40,000 times more luminous than our sun

Alex Conu

PIX4580154

Constellation Scorpio and Jupiter - Scorpius constellation with Jupiter - Jupiter (the brightest point on the right) in the constellation Scorpio. Chile. August 2007. The Scorpio constellation and Jupiter (bright dot on the right). Chile. August 2007

Constellation Scorpio and Jupiter - Scorpius constellation with Jupiter - Jupiter (the brightest point on the right) in the constellation Scorpio. Chile. August 2007. The Scorpio constellation and Jupiter (bright dot on the right). Chile. August 2007

Stephane Guisard

PIX4593736

Lactee Way in Scorpio - Milky way in Scorpius - Lactee Way and Constellation of Scorpio

Lactee Way in Scorpio - Milky way in Scorpius - Lactee Way and Constellation of Scorpio

Sebastian Voltmer

PIX4635906

The evolution of stars - Illustration - The evolution of stars - Illustration - All stars are born in interstellar clouds but according to their masses they will follow different destinies. From top to bottom: - The brown dwarf - The red dwarf, a small star that will become a white dwarf and then a black dwarf. - A star of the same type as the Sun, which will evolve into a red giant then planetary nebula to become a white dwarf and end up as a black dwarf. - A blue giant star that becomes supergeant red to explode in supernova and finish either black hole or neutron star. Every stars come to life in interstellar clouds, but their evolution will depend on their mass; from top to bottom: - A brown dwarf - A red dwarf, a small star which will slowly collapse to become a white dwarf then a black dwarf. - A Sun - like star will become a red giant then a planetary nebula, a white dwarf and will end as a black dwarf. - A blue star will become a red supergiant, then will explode in a supernova to end as a black hole or a neutron star — The evolution of stars - Illustration - The evolution of stars - Illustration - All stars are born in interstellar clouds but according to their masses they will follow different destinies. From top to bottom: - The brown dwarf - The red dwarf, a small star that will become a white dwarf and then a black dwarf. - A star of the same type as the Sun, which will evolve into a red giant then planetary nebula to become a white dwarf and end up as a black dwarf. - A blue giant star that becomes supergeant red to explode in supernova and finish either black hole or neutron star. Every stars come to life in interstellar clouds, but their evolution will depend on their mass; from top to bottom: - A brown dwarf - A red dwarf, a small star which will slowly collapse to become a white dwarf then a black dwarf. - A Sun - like star will become a red giant then a planetary nebula, a white dwarf and will end as a black dwarf. - A blue star will become a red supergiant, then will explode in a supernova

The evolution of stars - Illustration - The evolution of stars - Illustration - All stars are born in interstellar clouds but according to their masses they will follow different destinies. From top to bottom: - The brown dwarf - The red dwarf, a small star that will become a white dwarf and then a black dwarf. - A star of the same type as the Sun, which will evolve into a red giant then planetary nebula to become a white dwarf and end up as a black dwarf. - A blue giant star that becomes supergeant red to explode in supernova and finish either black hole or neutron star. Every stars come to life in interstellar clouds, but their evolution will depend on their mass; from top to bottom: - A brown dwarf - A red dwarf, a small star which will slowly collapse to become a white dwarf then a black dwarf. - A Sun - like star will become a red giant then a planetary nebula, a white dwarf and will end as a black dwarf. - A blue star will become a red supergiant, then will explode in a supernova

PIX4573087

Constellation Scorpio and Jupiter - Scorpius constellation with Jupiter - Jupiter (the brightest point on the right) in the constellation Scorpio. Chile. August 2007. The Scorpio constellation and Jupiter (bright dot on the right). Chile. August 2007

Constellation Scorpio and Jupiter - Scorpius constellation with Jupiter - Jupiter (the brightest point on the right) in the constellation Scorpio. Chile. August 2007. The Scorpio constellation and Jupiter (bright dot on the right). Chile. August 2007

Stephane Guisard

PIX4593754

Constellations of the Great Dog, Orion and Hyad Cluster - Constellations Canis Major, Orion and the Hyades cluster - Winter Constellations. On the left the constellation of the Great Dog with the star Sirius, in the center the constellation of Orion, on the right the cluster of the Hyades. Winter constellations, from left to right: Canis Major with Sirius star, the constellation Orion and the Hyades cluster

Constellations of the Great Dog, Orion and Hyad Cluster - Constellations Canis Major, Orion and the Hyades cluster - Winter Constellations. On the left the constellation of the Great Dog with the star Sirius, in the center the constellation of Orion, on the right the cluster of the Hyades. Winter constellations, from left to right: Canis Major with Sirius star, the constellation Orion and the Hyades cluster

S. Numazawa

PIX4590807

Antares star and the nebula Rho Ophiuchi - Antares and Rho Ophiuchi cloud - This coloree nebula represents the visible part of a very large molecule cloud, the cloud of Ophiuchus. This star-forming region is about 520 years old - light. The brightest star at the bottom left is the star Antares, from the Scorpio. The triple star Rho Ophiuchus is located in the middle of the blue cloud at the top of the picture. On the right, surrounded by a nebula, the star Sigma Scorpii. The globular clusters M4 (at the bottom of the image) and NGC 6144 (near Antares) are also visible on this image obtained with the UK Schmidt telescope of 1.2m. This photograph shows a portion of a great swath of obscuring gas and dust in the constellations Ophiuchus and Scorpius, and illustrates what is probably the most colourful region in the entire sky. The almost garish colours are due to the brilliance and contrasting colours of the stars, by whose reflected light we see the dust clouds. Dominating the picture is the first - magnitude red supergiant star Antares, or Apha Scorpii. Because of its deep red colour the light reflected from the dust has a rich reddish hue, unusual among such reflection nebulae which are generally associated with bright bluish stars and normally have the appearance of the nebula surrounding Rho Ophiuchus (top). Clearly to be seen on this picture is the discolouring effect of the dust clouds on the stars and nebulae seen through them: the dust selectively absorbs the blue light leaving the obscured objects with a reddish - brown tinge. Also visible in this extraordinary photograph is the yellowish globular star cluster M4, at 5700 light years (9 times the distance of the foreground dust and stars) the nearest globular cluster to the Sun. Partly surrounding Sigma Scorpii at the right of the picture is a red emission nebula, completing the most comprehensive collection of nebular types ever seen in one photograph. There's also two globular clusters, one — Antares star and the nebula Rho Ophiuchi - Antares and Rho Ophiuchi cloud - This coloree nebula represents the visible part of a very large molecule cloud, the cloud of Ophiuchus. This star-forming region is about 520 years old - light. The brightest star at the bottom left is the star Antares, from the Scorpio. The triple star Rho Ophiuchus is located in the middle of the blue cloud at the top of the picture. On the right, surrounded by a nebula, the star Sigma Scorpii. The globular clusters M4 (at the bottom of the image) and NGC 6144 (near Antares) are also visible on this image obtained with the UK Schmidt telescope of 1.2m. This photograph shows a portion of a great swath of obscuring gas and dust in the constellations Ophiuchus and Scorpius, and illustrates what is probably the most colourful region in the entire sky. The almost garish colours are due to the brilliance and contrasting colours of the stars, by whose reflected light we see the dust clouds. Dominating the picture is

Antares star and the nebula Rho Ophiuchi - Antares and Rho Ophiuchi cloud - This coloree nebula represents the visible part of a very large molecule cloud, the cloud of Ophiuchus. This star-forming region is about 520 years old - light. The brightest star at the bottom left is the star Antares, from the Scorpio. The triple star Rho Ophiuchus is located in the middle of the blue cloud at the top of the picture. On the right, surrounded by a nebula, the star Sigma Scorpii. The globular clusters M4 (at the bottom of the image) and NGC 6144 (near Antares) are also visible on this image obtained with the UK Schmidt telescope of 1.2m. This photograph shows a portion of a great swath of obscuring gas and dust in the constellations Ophiuchus and Scorpius, and illustrates what is probably the most colourful region in the entire sky. The almost garish colours are due to the brilliance and contrasting colours of the stars, by whose reflected light we see the dust clouds. Dominating the picture is

PIX4621421

Winter constellations - Winter constellations - The moon growing with ash light passes near the Pleiades cluster in the constellation Taurus. On the left, the constellation Orion. 11 April 2005 The crescent Moon with Earthshine is next to M45, The Pleiades, as they set in the twilight in the west with the Winter constellations of Orion and Taurus. April 11, 2005. (c) 2006 Jerry Lodriguss/www.astropix.com (c) 2006 Jerry Lodriguss/www.astropix.co

Winter constellations - Winter constellations - The moon growing with ash light passes near the Pleiades cluster in the constellation Taurus. On the left, the constellation Orion. 11 April 2005 The crescent Moon with Earthshine is next to M45, The Pleiades, as they set in the twilight in the west with the Winter constellations of Orion and Taurus. April 11, 2005. (c) 2006 Jerry Lodriguss/www.astropix.com (c) 2006 Jerry Lodriguss/www.astropix.co

Jerry Lodriguss

PIX4594080

Antares Stars -Rho Ophiuchus and Pipe Nebula - Pipe Dark Nebula to Antares and Rho Ophiuchus: The Pipe Nebula, visible to the left of the image, is part of a larger region of dark nebulae that extends to the stars Antares and Rho Ophiuchus (right). Seen at left of this photo, the Pipe Nebula is a very large dark nebula wich is part of an even larger complex of dark nebulae The complex of dark nebulosity stretches 13 degrees in what has been called a “” dark river”” from the Pipe Nebula all the way to the vicinity of Antares and Rho Ophiuchus. On the right side of the frame is a large complex of red emission nebulae near Antares and Rho Ophiuchus

Antares Stars -Rho Ophiuchus and Pipe Nebula - Pipe Dark Nebula to Antares and Rho Ophiuchus: The Pipe Nebula, visible to the left of the image, is part of a larger region of dark nebulae that extends to the stars Antares and Rho Ophiuchus (right). Seen at left of this photo, the Pipe Nebula is a very large dark nebula wich is part of an even larger complex of dark nebulae The complex of dark nebulosity stretches 13 degrees in what has been called a “” dark river”” from the Pipe Nebula all the way to the vicinity of Antares and Rho Ophiuchus. On the right side of the frame is a large complex of red emission nebulae near Antares and Rho Ophiuchus

Alex Tudorica

PIX4621470

Winter constellations - Winter constellations - The Moon sets on the horizon to the west this 28 April 2006 in Maryland. In the sky on the left, the constellation of Orion, in the center the Taurus with the clusters of the Hyades and Pleiades, on the right the constellation of Persee, above to the center the Coach with the bright star Capella, on its left, the Gemels with the planet Mars. The crescent Moon with Earthshine sets in the twilight in the west with the Winter constellations of Orion, Gemini, Auriga, Taurus and Perseus

Winter constellations - Winter constellations - The Moon sets on the horizon to the west this 28 April 2006 in Maryland. In the sky on the left, the constellation of Orion, in the center the Taurus with the clusters of the Hyades and Pleiades, on the right the constellation of Persee, above to the center the Coach with the bright star Capella, on its left, the Gemels with the planet Mars. The crescent Moon with Earthshine sets in the twilight in the west with the Winter constellations of Orion, Gemini, Auriga, Taurus and Perseus

Jerry Lodriguss

PIX4594068

The evolution of stars - Illustration - The evolution of the stars - Illustration - All stars are born in interstellar clouds but according to their masses they will follow different destinies

The evolution of stars - Illustration - The evolution of the stars - Illustration - All stars are born in interstellar clouds but according to their masses they will follow different destinies

P. Carril

PIX4573016

Star Antares and the nebula Rho Ophiuchi - Antares and Rho Ophiuchi - This coloree nebula represents the visible part of a very large molecule cloud, the cloud of Ophiuchus. This star-forming region is about 520 years old - light. The brightest star below is the star Antares, from the Scorpio. On the right, the M4 star cluster. View of the region surrounding the bright triple star Rho Ophiuchus (top, in the blue cloud). This star - forming region is located at about 520 light years in Scorpius constellation. The area is highlighted by the bright star Antares (bottom), a red supergiant 40,000 times more luminous than our su

Star Antares and the nebula Rho Ophiuchi - Antares and Rho Ophiuchi - This coloree nebula represents the visible part of a very large molecule cloud, the cloud of Ophiuchus. This star-forming region is about 520 years old - light. The brightest star below is the star Antares, from the Scorpio. On the right, the M4 star cluster. View of the region surrounding the bright triple star Rho Ophiuchus (top, in the blue cloud). This star - forming region is located at about 520 light years in Scorpius constellation. The area is highlighted by the bright star Antares (bottom), a red supergiant 40,000 times more luminous than our su

Sebastian Voltmer

PIX4621497

Winter constellations - Winter constellations - The Moon sets on the horizon to the west this 28 April 2006 in Maryland. In the sky on the left, the constellation of Orion, in the center the Taurus with the clusters of the Hyades and Pleiades, on the right the constellation of Persee, above to the center the Coach with the bright star Capella, on its left, the Gemels with the planet Mars. The crescent Moon with Earthshine sets in the twilight in the west with the Winter constellations of Orion, Gemini, Auriga, Taurus and Perseus

Winter constellations - Winter constellations - The Moon sets on the horizon to the west this 28 April 2006 in Maryland. In the sky on the left, the constellation of Orion, in the center the Taurus with the clusters of the Hyades and Pleiades, on the right the constellation of Persee, above to the center the Coach with the bright star Capella, on its left, the Gemels with the planet Mars. The crescent Moon with Earthshine sets in the twilight in the west with the Winter constellations of Orion, Gemini, Auriga, Taurus and Perseus

Jerry Lodriguss

PIX4594072

Mars and the nebula Rho Ophiuchi - Mars and Rho Ophiuchi: Passage of the planet Mars (middle left of the image) in front of the nebula Rho Ophiuchi on August 26, 2016 - This star-forming region is located about 520 light years away. The brightest star below is the star Antares, from the Scorpio. Right, star cluster M4. - March passing the Rho Ophiuchi cloud complex on Aug 26, 2016 - This star-forming region is located at about 520 light years in Scorpius constellation. The area is highlighted by the bright star Antares (bottom), a red supergiant 40,000 times more luminous than our sun

Mars and the nebula Rho Ophiuchi - Mars and Rho Ophiuchi: Passage of the planet Mars (middle left of the image) in front of the nebula Rho Ophiuchi on August 26, 2016 - This star-forming region is located about 520 light years away. The brightest star below is the star Antares, from the Scorpio. Right, star cluster M4. - March passing the Rho Ophiuchi cloud complex on Aug 26, 2016 - This star-forming region is located at about 520 light years in Scorpius constellation. The area is highlighted by the bright star Antares (bottom), a red supergiant 40,000 times more luminous than our sun

Sebastian Voltmer

PIX4621574

A supergeant red star will swallow a planet - Vue d'artist

A supergeant red star will swallow a planet - Vue d'artist

S. Numazawa

PIX4574018

Star cluster in the nebula NGC 3603 - Star cluster in NGC 3603 nebula - Cluster of young stars in the nebula NGC 3603, located about 20,000 years ago - light from Earth in the southern constellation of Carene. Image obtained by the Hubble Space Telescope in August and December 2009. NGC 3603 is a prominent star - forming region located in the Carina spiral arm of the Milky Way, about 20,000 light - years away from our Solar System. This image from the NASA/ESA Hubble Space Telescope shows a young star cluster surrounded by a vast region of dust and gas. Most of the bright stars in the image are hot blue stars whose ultraviolet radiation and violent winds have blown out an enormous cavity in the gas and dust enveloping the cluster. This Hubble Space Telescope image was captured in August 2009 and December 2009 with the Wide Field Camera 3 in both visible and infrared light, which trace the glow of sulfur, hydrogen, and iron

Star cluster in the nebula NGC 3603 - Star cluster in NGC 3603 nebula - Cluster of young stars in the nebula NGC 3603, located about 20,000 years ago - light from Earth in the southern constellation of Carene. Image obtained by the Hubble Space Telescope in August and December 2009. NGC 3603 is a prominent star - forming region located in the Carina spiral arm of the Milky Way, about 20,000 light - years away from our Solar System. This image from the NASA/ESA Hubble Space Telescope shows a young star cluster surrounded by a vast region of dust and gas. Most of the bright stars in the image are hot blue stars whose ultraviolet radiation and violent winds have blown out an enormous cavity in the gas and dust enveloping the cluster. This Hubble Space Telescope image was captured in August 2009 and December 2009 with the Wide Field Camera 3 in both visible and infrared light, which trace the glow of sulfur, hydrogen, and iron

PIX4619158

Constellations of Sagittarius, Scorpio and Jupiter - Sagittarius and Scorpius constellations with Jupiter - Jupiter (the brightest point on the image) in the constellation of Scorpio and on the left, Sagittarius, July 5, 2007, Beg Meil (Finistere - France). Jupiter (brightest spot in the image) in Scorpius constellation and clouds above the sea. July 5 2007, Beg Meil (Finistere - France)

Constellations of Sagittarius, Scorpio and Jupiter - Sagittarius and Scorpius constellations with Jupiter - Jupiter (the brightest point on the image) in the constellation of Scorpio and on the left, Sagittarius, July 5, 2007, Beg Meil (Finistere - France). Jupiter (brightest spot in the image) in Scorpius constellation and clouds above the sea. July 5 2007, Beg Meil (Finistere - France)

Laurent Laveder

PIX4593786

Constellation Scorpio and Jupiter - Scorpius constellation and Jupiter - Jupiter (the brightest point on the image) in the constellation Scorpio, July 5, 2007, Beg Meil (Finistere - France). Jupiter (brightest spot in the image) in Scorpius constellation and clouds above the sea. July 5 2007, Beg Meil (Finistere - France)

Constellation Scorpio and Jupiter - Scorpius constellation and Jupiter - Jupiter (the brightest point on the image) in the constellation Scorpio, July 5, 2007, Beg Meil (Finistere - France). Jupiter (brightest spot in the image) in Scorpius constellation and clouds above the sea. July 5 2007, Beg Meil (Finistere - France)

Laurent Laveder

PIX4593801

The evolution of stars - Illustration - The evolution of the stars - Illustration - All stars are born in interstellar clouds but depending on their masses, they will follow different destinies. Stars are all born in interstellar clouds but according to their mass, they will follow different destinies

The evolution of stars - Illustration - The evolution of the stars - Illustration - All stars are born in interstellar clouds but depending on their masses, they will follow different destinies. Stars are all born in interstellar clouds but according to their mass, they will follow different destinies

P. Carril

PIX4573028

Constellations of Sagittarius, Scorpio and Jupiter - Sagittarius and Scorpius constellations with Jupiter - Jupiter (the brightest point on the image) in the constellation of Scorpio, on the left, Sagittarius, July 5, 2007, Beg Meil (Finistere - France). Jupiter (brightest spot in the image) in Scorpius constellation and clouds above the sea. July 5 2007, Beg Meil (Finistere - France)

Constellations of Sagittarius, Scorpio and Jupiter - Sagittarius and Scorpius constellations with Jupiter - Jupiter (the brightest point on the image) in the constellation of Scorpio, on the left, Sagittarius, July 5, 2007, Beg Meil (Finistere - France). Jupiter (brightest spot in the image) in Scorpius constellation and clouds above the sea. July 5 2007, Beg Meil (Finistere - France)

Laurent Laveder

PIX4593809

Light pollution and Taurus constellation - Light pollution and Taurus constellation - Light pollution of reverbere. In the sky, the stars of Taurus, Orion and Coach, accompanied by Pleiades and Jupiter (near one of the Horns of Taurus).3 January 2003. Light pollution of a street lamp. Above, Taurus constellation with planet Jupiter. January 3 2003

Light pollution and Taurus constellation - Light pollution and Taurus constellation - Light pollution of reverbere. In the sky, the stars of Taurus, Orion and Coach, accompanied by Pleiades and Jupiter (near one of the Horns of Taurus).3 January 2003. Light pollution of a street lamp. Above, Taurus constellation with planet Jupiter. January 3 2003

Laurent Laveder

PIX4594088

Constellation Scorpio and Jupiter - Scorpius constellation with Jupiter - Jupiter (the brightest point on the image) in the constellation Scorpio, July 5, 2007, Beg Meil (Finistere - France). In overprint, the mythological form of this constellation, extracted from the Uranographia of Hevelius. Jupiter (brightest spot in the image) in Scorpius constellation and clouds above the sea. Constellation mythological form from “” Uranographia”” star atlas by Hevelius (1690) has been added. July 5 2007, Beg Meil (Finistere - France)

Constellation Scorpio and Jupiter - Scorpius constellation with Jupiter - Jupiter (the brightest point on the image) in the constellation Scorpio, July 5, 2007, Beg Meil (Finistere - France). In overprint, the mythological form of this constellation, extracted from the Uranographia of Hevelius. Jupiter (brightest spot in the image) in Scorpius constellation and clouds above the sea. Constellation mythological form from “” Uranographia”” star atlas by Hevelius (1690) has been added. July 5 2007, Beg Meil (Finistere - France)

Laurent Laveder

PIX4593794

Constellations of Sagittarius, Scorpio and Jupiter - Sagittarius and Scorpius constellations with Jupiter - Jupiter (the brightest point on the image) in the constellation of Scorpio, on the left, Sagittarius, July 5, 2007, Beg Meil (Finistere - France). In overprint, the mythological form of this constellation, extracted from the Uranographia of Hevelius. Jupiter (brightest spot in the image) in Scorpius constellation and clouds above the sea. Constellation mythological form from “” Uranographia”” star atlas by Hevelius (1690) has been added. July 5 2007, Beg Meil (Finistere - France)

Constellations of Sagittarius, Scorpio and Jupiter - Sagittarius and Scorpius constellations with Jupiter - Jupiter (the brightest point on the image) in the constellation of Scorpio, on the left, Sagittarius, July 5, 2007, Beg Meil (Finistere - France). In overprint, the mythological form of this constellation, extracted from the Uranographia of Hevelius. Jupiter (brightest spot in the image) in Scorpius constellation and clouds above the sea. Constellation mythological form from “” Uranographia”” star atlas by Hevelius (1690) has been added. July 5 2007, Beg Meil (Finistere - France)

Laurent Laveder

PIX4593783

The evolution of stars - Illustration - The evolution of the stars - Illustration - All stars are born in interstellar clouds but depending on their masses, they will follow different destinies. Stars are all born in interstellar clouds but according to their mass, they will follow different destinies

The evolution of stars - Illustration - The evolution of the stars - Illustration - All stars are born in interstellar clouds but depending on their masses, they will follow different destinies. Stars are all born in interstellar clouds but according to their mass, they will follow different destinies

P. Carril

PIX4573031

Constellations of Sagittarius, Scorpio and Jupiter - Sagittarius and Scorpius constellations with Jupiter - Jupiter (the brightest point on the image) in the constellation of Scorpio, on the left, Sagittarius, July 5, 2007, Beg Meil (Finistere - France). In overprint, the mythological forms of these constellations, extracted from the Uranographia of Hevelius. Jupiter (brightest spot in the image) in Scorpius constellation and clouds above the sea. Mythological Constellations forms from “” Uranographia”” star atlas by Hevelius (1690) have been added. July 5 2007, Beg Meil (Finistere - France)

Constellations of Sagittarius, Scorpio and Jupiter - Sagittarius and Scorpius constellations with Jupiter - Jupiter (the brightest point on the image) in the constellation of Scorpio, on the left, Sagittarius, July 5, 2007, Beg Meil (Finistere - France). In overprint, the mythological forms of these constellations, extracted from the Uranographia of Hevelius. Jupiter (brightest spot in the image) in Scorpius constellation and clouds above the sea. Mythological Constellations forms from “” Uranographia”” star atlas by Hevelius (1690) have been added. July 5 2007, Beg Meil (Finistere - France)

Laurent Laveder

PIX4593796

Object of Thorne-Zytkow - Artist's view - Thorne-Zytkow object - Artwork: An object of Thorne-Zytkow is a star shaped like a red supergiant star whose heart is occupied by a neutron star. A Thorne- ytkow object is a conjectured type of star wherein a red giant or supergiant contains a neutron star at its core, formed from the collision of the giant with the neutron star. Such objects were hypothesized by Kip Thorne and Anna ytkow in 1977

Object of Thorne-Zytkow - Artist's view - Thorne-Zytkow object - Artwork: An object of Thorne-Zytkow is a star shaped like a red supergiant star whose heart is occupied by a neutron star. A Thorne- ytkow object is a conjectured type of star wherein a red giant or supergiant contains a neutron star at its core, formed from the collision of the giant with the neutron star. Such objects were hypothesized by Kip Thorne and Anna ytkow in 1977

Dixon, Don (b.1951)

PIX4607548

Barnard's loop and constellation Orion - Barnard's loop and Orion constellation - The constellation Orion and its nebulae. The main stars of this constellation are two supergeants, Betelgeuse (red) on the top left and Rigel (blue) on the bottom right. In the center of the constellation are the three stars forming Orion's Belt (or Baldrier) and the dark nebula of the horse's head (IC434 - B33). Further down, the large Orion nebula (M42) vast star-forming region. Wrapping these nebulae, Barnard's loop, a circle-arch nebula that would come from the explosion of a supernova more than two million years ago. The Orion constellation and its nebulae. The two Orion's bright stars are both supergiant stars: Betelgeuse (a red one) and Rigel (blue one). The center of this constellation is the Orion Belt with the Horsehead nebula (IC 434 - B33). Lower, the great Orion nebula, M42, a large star forming region. Also visible on this image, the Barnard's loop, a very faint nebula. This is composite mosaic image assembled from many hours of data including hydrogen alpha filtered exposure — Barnard's loop and constellation Orion - Barnard's loop and Orion constellation - The constellation Orion and its nebulae. The main stars of this constellation are two supergeants, Betelgeuse (red) on the top left and Rigel (blue) on the bottom right. In the center of the constellation are the three stars forming Orion's Belt (or Baldrier) and the dark nebula of the horse's head (IC434 - B33). Further down, the large Orion nebula (M42) vast star-forming region. Wrapping these nebulae, Barnard's loop, a circle-arch nebula that would come from the explosion of a supernova more than two million years ago. The Orion constellation and its nebulae. The two Orion's bright stars are both supergiant stars: Betelgeuse (a red one) and Rigel (blue one). The center of this constellation is the Orion Belt with the Horsehead nebula (IC 434 - B33). Lower, the great Orion nebula, M42, a large star forming region. Also visible on this image, the Barnard's loop, a very faint nebula. This is composite mos

Barnard's loop and constellation Orion - Barnard's loop and Orion constellation - The constellation Orion and its nebulae. The main stars of this constellation are two supergeants, Betelgeuse (red) on the top left and Rigel (blue) on the bottom right. In the center of the constellation are the three stars forming Orion's Belt (or Baldrier) and the dark nebula of the horse's head (IC434 - B33). Further down, the large Orion nebula (M42) vast star-forming region. Wrapping these nebulae, Barnard's loop, a circle-arch nebula that would come from the explosion of a supernova more than two million years ago. The Orion constellation and its nebulae. The two Orion's bright stars are both supergiant stars: Betelgeuse (a red one) and Rigel (blue one). The center of this constellation is the Orion Belt with the Horsehead nebula (IC 434 - B33). Lower, the great Orion nebula, M42, a large star forming region. Also visible on this image, the Barnard's loop, a very faint nebula. This is composite mos

R. Gendler

PIX4617896

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

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

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 even rarer around a red supergiant - - this is the first ionised nebula discovered around such a star. W26 itself would be too cool to make the gas glow; the astronomers speculate that the source of the ionising radiation may be either hot blue stars elsewhere in the cluster, or possibly a fainter, but much hotter, companion star to W26. W26 will eventually explode as a supernova. The nebula that surrounds it is very similar to the nebula surrounding SN1987A, the remnants of a star that went supernova in 198 — 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

Nebula IC 1318 in the Swan - Gamma Cygnus, IC 1318, NGC 6888 - IC 1318 is a very extended emission nebula that surrounds the star Gamma Cygni (Sadr), visible towards the middle of the image. Lower right is the nebula NGC 6888 which surrounds a star Wolf - Rayet. This complex of red emission nebulosity in Cygnus surrounds the bright 2.2 magnitude star Gamma Cygni, or Sadr, just above right of the center of the frame. Above Sadr are two patches of nebulosity designated as IC 1318, popularly called the Butterfly Nebula. At the lower left of the frame is NGC 6888, the Crescent Nebula, a very interesting nebula that surrounds a Wolf - Rayet star

Nebula IC 1318 in the Swan - Gamma Cygnus, IC 1318, NGC 6888 - IC 1318 is a very extended emission nebula that surrounds the star Gamma Cygni (Sadr), visible towards the middle of the image. Lower right is the nebula NGC 6888 which surrounds a star Wolf - Rayet. This complex of red emission nebulosity in Cygnus surrounds the bright 2.2 magnitude star Gamma Cygni, or Sadr, just above right of the center of the frame. Above Sadr are two patches of nebulosity designated as IC 1318, popularly called the Butterfly Nebula. At the lower left of the frame is NGC 6888, the Crescent Nebula, a very interesting nebula that surrounds a Wolf - Rayet star

Jerry Lodriguss

PIX4622184

Horsehead Nebula (IC 434) in Orion - Horsehead Nebula (B33) in Orion - The horse's head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emitting nebula about 1500 years - light from Earth in the constellation Orion. At the bottom left, the nebula NGC 2024 with just above the star Alnitak, a supergiant star belonging to the Baudrier of Orion. Towards the center of the image, a reflexion nebula, NGC 2023. Image obtained with the 1.2m Schmidt UK Telescope from Siding Spring. This distinctive red emission nebula (IC 434) is the result of radiation from sigma Orionis interacting with the surface of a dusty cloud of gas from which projects the dark shape of the head of a horse. Sigma is the second brightest star in the picture and is at about the same distance from the Sun as the nebula. The brightest star here is zeta Orionis, easily visible to the unaided eye as the easternmost star in the line of three which form Orion's Belt. Alnitak (Zeta Orionis) is a supergiant star with a brightness 35,000 times greater than the Sun. Its mass is 20 times the solar mass. Partly obscured by the glare of zeta is the curious yellowish nebula NGC 2024, whose energy comes from stars hidden in the dark lane, while other nebulae simply reflect the light of embedded hot stars and appear blue. All these objects are about 1500 light years distant. This photograph was produced by combining three separate photographs taken with the 1.2m UK Schmidt Telescope through different coloured filters — Horsehead Nebula (IC 434) in Orion - Horsehead Nebula (B33) in Orion - The horse's head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emitting nebula about 1500 years - light from Earth in the constellation Orion. At the bottom left, the nebula NGC 2024 with just above the star Alnitak, a supergiant star belonging to the Baudrier of Orion. Towards the center of the image, a reflexion nebula, NGC 2023. Image obtained with the 1.2m Schmidt UK Telescope from Siding Spring. This distinctive red emission nebula (IC 434) is the result of radiation from sigma Orionis interacting with the surface of a dusty cloud of gas from which projects the dark shape of the head of a horse. Sigma is the second brightest star in the picture and is at about the same distance from the Sun as the nebula. The brightest star here is zeta Orionis, easily visible to the unaided eye as the easternmost star in the line of three which form Orion's Belt. Alnitak (Zeta Orionis) is a supergiant sta

Horsehead Nebula (IC 434) in Orion - Horsehead Nebula (B33) in Orion - The horse's head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emitting nebula about 1500 years - light from Earth in the constellation Orion. At the bottom left, the nebula NGC 2024 with just above the star Alnitak, a supergiant star belonging to the Baudrier of Orion. Towards the center of the image, a reflexion nebula, NGC 2023. Image obtained with the 1.2m Schmidt UK Telescope from Siding Spring. This distinctive red emission nebula (IC 434) is the result of radiation from sigma Orionis interacting with the surface of a dusty cloud of gas from which projects the dark shape of the head of a horse. Sigma is the second brightest star in the picture and is at about the same distance from the Sun as the nebula. The brightest star here is zeta Orionis, easily visible to the unaided eye as the easternmost star in the line of three which form Orion's Belt. Alnitak (Zeta Orionis) is a supergiant sta

PIX4622085

Horse's Head Nebula (IC 434) in Orion - Horsehead nebula in Orion - The horse's head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emitting nebula about 1500 years - light of the Earth in the constellation Orion. At the bottom left, the nebula NGC 2024 with just above the star Alnitak, a supergiant star belonging to the Baudrier of Orion. Towards the center of the image, a reflexion nebula, NGC 2023. Image obtained with the 1.2m Schmidt UK Telescope from Siding Spring. This distinctive red emission nebula (IC 434) is the result of radiation from sigma Orionis interacting with the surface of a dusty cloud of gas from which projects the dark shape of the head of a horse. Sigma is the second brightest star in the picture and is at about the same distance from the Sun as the nebula. The brightest star here is zeta Orionis, easily visible to the unaided eye as the easternmost star in the line of three which form Orion's Belt. Alnitak (Zeta Orionis) is a supergiant star with a brightness 35,000 times greater than the Sun. Its mass is 20 times the solar mass. Partly obscured by the glare of zeta is the curious yellowish nebula NGC 2024, whose energy comes from stars hidden in the dark lane, while other nebulae simply reflect the light of embedded hot stars and appear blue. All these objects are about 1500 light years distant. This photograph was produced by combining three separate photographs taken with the 1.2m UK Schmidt Telescope through different coloured filters — Horse's Head Nebula (IC 434) in Orion - Horsehead nebula in Orion - The horse's head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emitting nebula about 1500 years - light of the Earth in the constellation Orion. At the bottom left, the nebula NGC 2024 with just above the star Alnitak, a supergiant star belonging to the Baudrier of Orion. Towards the center of the image, a reflexion nebula, NGC 2023. Image obtained with the 1.2m Schmidt UK Telescope from Siding Spring. This distinctive red emission nebula (IC 434) is the result of radiation from sigma Orionis interacting with the surface of a dusty cloud of gas from which projects the dark shape of the head of a horse. Sigma is the second brightest star in the picture and is at about the same distance from the Sun as the nebula. The brightest star here is zeta Orionis, easily visible to the unaided eye as the easternmost star in the line of three which form Orion's Belt. Alnitak (Zeta Orionis) is a supergiant star

Horse's Head Nebula (IC 434) in Orion - Horsehead nebula in Orion - The horse's head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emitting nebula about 1500 years - light of the Earth in the constellation Orion. At the bottom left, the nebula NGC 2024 with just above the star Alnitak, a supergiant star belonging to the Baudrier of Orion. Towards the center of the image, a reflexion nebula, NGC 2023. Image obtained with the 1.2m Schmidt UK Telescope from Siding Spring. This distinctive red emission nebula (IC 434) is the result of radiation from sigma Orionis interacting with the surface of a dusty cloud of gas from which projects the dark shape of the head of a horse. Sigma is the second brightest star in the picture and is at about the same distance from the Sun as the nebula. The brightest star here is zeta Orionis, easily visible to the unaided eye as the easternmost star in the line of three which form Orion's Belt. Alnitak (Zeta Orionis) is a supergiant star

PIX4621983

Horsehead Nebula (IC 434) in Orion - Horsehead Nebula (B33) in Orion - The horse's head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emitting nebula about 1500 years - light from Earth in the constellation Orion. At the bottom left, the nebula NGC 2024 with just above the star Alnitak, a supergiant star belonging to the Baudrier of Orion. Towards the center of the image, a reflexion nebula, NGC 2023. This distinctive red emission nebula (IC 434) is the result of radiation from sigma Orionis interacting with the surface of a dusty cloud of gas from which projects the dark shape of the head of a horse. Sigma is the second brightest star in the picture and is at about the same distance from the Sun as the nebula. The brightest star here is zeta Orionis, easily visible to the unaided eye as the easternmost star in the line of three which form Orion's Belt. Alnitak (Zeta Orionis) is a supergiant star with a brightness 35,000 times greater than the Sun. Its mass is 20 times the solar mass. Partly obscured by the glare of zeta is the curious yellowish nebula NGC 2024, whose energy comes from stars hidden in the dark lane, while other nebulae simply reflect the light of embedded hot stars and appear blue. All these objects are about 1500 light years distant — Horsehead Nebula (IC 434) in Orion - Horsehead Nebula (B33) in Orion - The horse's head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emitting nebula about 1500 years - light from Earth in the constellation Orion. At the bottom left, the nebula NGC 2024 with just above the star Alnitak, a supergiant star belonging to the Baudrier of Orion. Towards the center of the image, a reflexion nebula, NGC 2023. This distinctive red emission nebula (IC 434) is the result of radiation from sigma Orionis interacting with the surface of a dusty cloud of gas from which projects the dark shape of the head of a horse. Sigma is the second brightest star in the picture and is at about the same distance from the Sun as the nebula. The brightest star here is zeta Orionis, easily visible to the unaided eye as the easternmost star in the line of three which form Orion's Belt. Alnitak (Zeta Orionis) is a supergiant star with a brightness 35,000 times greater than the Sun. Its mass is 20

Horsehead Nebula (IC 434) in Orion - Horsehead Nebula (B33) in Orion - The horse's head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emitting nebula about 1500 years - light from Earth in the constellation Orion. At the bottom left, the nebula NGC 2024 with just above the star Alnitak, a supergiant star belonging to the Baudrier of Orion. Towards the center of the image, a reflexion nebula, NGC 2023. This distinctive red emission nebula (IC 434) is the result of radiation from sigma Orionis interacting with the surface of a dusty cloud of gas from which projects the dark shape of the head of a horse. Sigma is the second brightest star in the picture and is at about the same distance from the Sun as the nebula. The brightest star here is zeta Orionis, easily visible to the unaided eye as the easternmost star in the line of three which form Orion's Belt. Alnitak (Zeta Orionis) is a supergiant star with a brightness 35,000 times greater than the Sun. Its mass is 20

Stephane Guisard

PIX4622088

Horsehead Nebula (IC 434) in Orion - Horsehead Nebula (B33) in Orion - The horse's head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emitting nebula about 1500 years - light from Earth in the constellation Orion. At the bottom left, the nebula NGC 2024 with just above the star Alnitak, a supergiant star belonging to the Baudrier of Orion. Towards the center of the image, a reflexion nebula, NGC 2023. Image obtained with the 1.2m Schmidt UK Telescope from Siding Spring. This distinctive red emission nebula (IC 434) is the result of radiation from sigma Orionis interacting with the surface of a dusty cloud of gas from which projects the dark shape of the head of a horse. Sigma is the second brightest star in the picture and is at about the same distance from the Sun as the nebula. The brightest star here is zeta Orionis, easily visible to the unaided eye as the easternmost star in the line of three which form Orion's Belt. Alnitak (Zeta Orionis) is a supergiant star with a brightness 35,000 times greater than the Sun. Its mass is 20 times the solar mass. Partly obscured by the glare of zeta is the curious yellowish nebula NGC 2024, whose energy comes from stars hidden in the dark lane, while other nebulae simply reflect the light of embedded hot stars and appear blue. All these objects are about 1500 light years distant. This photograph was produced by combining three separate photographs taken with the 1.2m UK Schmidt Telescope through different coloured filters — Horsehead Nebula (IC 434) in Orion - Horsehead Nebula (B33) in Orion - The horse's head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emitting nebula about 1500 years - light from Earth in the constellation Orion. At the bottom left, the nebula NGC 2024 with just above the star Alnitak, a supergiant star belonging to the Baudrier of Orion. Towards the center of the image, a reflexion nebula, NGC 2023. Image obtained with the 1.2m Schmidt UK Telescope from Siding Spring. This distinctive red emission nebula (IC 434) is the result of radiation from sigma Orionis interacting with the surface of a dusty cloud of gas from which projects the dark shape of the head of a horse. Sigma is the second brightest star in the picture and is at about the same distance from the Sun as the nebula. The brightest star here is zeta Orionis, easily visible to the unaided eye as the easternmost star in the line of three which form Orion's Belt. Alnitak (Zeta Orionis) is a supergiant sta

Horsehead Nebula (IC 434) in Orion - Horsehead Nebula (B33) in Orion - The horse's head nebula, Barnard 33, is a dark nebula located in front of the IC 434 emitting nebula about 1500 years - light from Earth in the constellation Orion. At the bottom left, the nebula NGC 2024 with just above the star Alnitak, a supergiant star belonging to the Baudrier of Orion. Towards the center of the image, a reflexion nebula, NGC 2023. Image obtained with the 1.2m Schmidt UK Telescope from Siding Spring. This distinctive red emission nebula (IC 434) is the result of radiation from sigma Orionis interacting with the surface of a dusty cloud of gas from which projects the dark shape of the head of a horse. Sigma is the second brightest star in the picture and is at about the same distance from the Sun as the nebula. The brightest star here is zeta Orionis, easily visible to the unaided eye as the easternmost star in the line of three which form Orion's Belt. Alnitak (Zeta Orionis) is a supergiant sta

PIX4622070

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