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Images de 'Two Objects' médias trouvés, 5,045

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Pegase Constellation - Constellation of Pegasus - Pegasus represents a winged horse of Greek mythology, a figure that appears quite often, most spectacularly as the great winged steed of Bellerophon. The word Pegasus itself is derived from the Greek meaning 'strong'. Pegasus was the son of Neptune and Medusa the Gorgon, and sprang from the blood of his mother when her head had been severed by Perseus. Because Pegasus was considered a mortal, when he died he was placed in the heavens as a constellation by Zeus. Adjoining Pegasus is Equuleus, the foal. The most distinctive part of constellation is the Great Square of Pegasus. Its northernmost star, Sirrah, was incorparated into Andromeda when the constellation boundaries were formalized in the 1930s; it used to be delta (d) Pegasi. Because of its position in the sky, the first two objects in the New General Catalogue (NGC) appear in the Pegasus. NGC 1 and NGC 2 are distant, unremarkable galaxies, indeed this large constellation as a whol

Pegase Constellation - Constellation of Pegasus - Pegasus represents a winged horse of Greek mythology, a figure that appears quite often, most spectacularly as the great winged steed of Bellerophon. The word Pegasus itself is derived from the Greek meaning 'strong'. Pegasus was the son of Neptune and Medusa the Gorgon, and sprang from the blood of his mother when her head had been severed by Perseus. Because Pegasus was considered a mortal, when he died he was placed in the heavens as a constellation by Zeus. Adjoining Pegasus is Equuleus, the foal. The most distinctive part of constellation is the Great Square of Pegasus. Its northernmost star, Sirrah, was incorparated into Andromeda when the constellation boundaries were formalized in the 1930s; it used to be delta (d) Pegasi. Because of its position in the sky, the first two objects in the New General Catalogue (NGC) appear in the Pegasus. NGC 1 and NGC 2 are distant, unremarkable galaxies, indeed this large constellation as a whol

PIX4593125

Binary pulsar and gravitational waves - Artist's impression of the pulsar PSR J0348+0432 and its white dwarf companion - Artist's view of a gravitational wave generated by a system of a neutron star associated with a white dwarf, spreading on the fabric of space - time. This artist's impression shows the exotic double object that consists of a tiny, but very heavy neutron star that spins 25 times each second, orbited every two and a half hours by a white dwarf star. The neutron star is a pulsar named PSR J0348+0432 that is giving off radio waves that can be picked up on Earth by radio telescopes. Although this unusual pair is very interesting in its own right, it is also a unique laboratory for testing the limits of physical theories. This system is radiating gravitational radiation, ripples in spacetime. Although these waves (shown as the grid in this picture) cannot be yet detected directly by astronomers on Earth they can be sensed indirectly by measuring the change in the orbit of

Binary pulsar and gravitational waves - Artist's impression of the pulsar PSR J0348+0432 and its white dwarf companion - Artist's view of a gravitational wave generated by a system of a neutron star associated with a white dwarf, spreading on the fabric of space - time. This artist's impression shows the exotic double object that consists of a tiny, but very heavy neutron star that spins 25 times each second, orbited every two and a half hours by a white dwarf star. The neutron star is a pulsar named PSR J0348+0432 that is giving off radio waves that can be picked up on Earth by radio telescopes. Although this unusual pair is very interesting in its own right, it is also a unique laboratory for testing the limits of physical theories. This system is radiating gravitational radiation, ripples in spacetime. Although these waves (shown as the grid in this picture) cannot be yet detected directly by astronomers on Earth they can be sensed indirectly by measuring the change in the orbit of

PIX4572795

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

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

PIX4619187

Interacting Galaxies Arp 240 - Interacting galaxies Arp 240 - The galaxy Arp 240 is located about 300 million light years away from Earth in the constellation of the Virgin. Composed of spiral galaxies NGC 5257 and NGC 5258, this interacting system presents important star formations. The two galaxies contain a supermassive black hole in the centre. Image obtained by the Hubble Space Telescope on 20 December 2001. NGC 5257/8 (Arp 240) is an astonishing galaxy pair, composed of spiral galaxies of similar mass and size, NGC 5257 and NGC 5258. The galaxies are visibly interacting with each other via a bridge of dim stars connecting the two galaxies, almost like two dancers holding hands while performing a pirouette. Both galaxies harbor supermassive black holes in their centers and are actively forming new stars in their disks. Arp 240 is located in the constellation Virgo, approximately 300 million light - years away, and is the 240th galaxy in ARP's Atlas of Peculiar Galaxies. With the e

Interacting Galaxies Arp 240 - Interacting galaxies Arp 240 - The galaxy Arp 240 is located about 300 million light years away from Earth in the constellation of the Virgin. Composed of spiral galaxies NGC 5257 and NGC 5258, this interacting system presents important star formations. The two galaxies contain a supermassive black hole in the centre. Image obtained by the Hubble Space Telescope on 20 December 2001. NGC 5257/8 (Arp 240) is an astonishing galaxy pair, composed of spiral galaxies of similar mass and size, NGC 5257 and NGC 5258. The galaxies are visibly interacting with each other via a bridge of dim stars connecting the two galaxies, almost like two dancers holding hands while performing a pirouette. Both galaxies harbor supermassive black holes in their centers and are actively forming new stars in their disks. Arp 240 is located in the constellation Virgo, approximately 300 million light - years away, and is the 240th galaxy in ARP's Atlas of Peculiar Galaxies. With the e

PIX4612595

Nebula NGC 6164 - 5 in the Rule - The emission nebula NGC 6164 - 65 - This nebula is located about 4000 years - light from Earth. It is a bipolar nebula around a very hot star at the end of life, the star HD 148937. Image obtained by Siding Spring's 3.9m telescope. Superficially similar to a planetary nebula, NGC 6164 - 5 is in reality a rather unusual object associated with a rather unusual star. The vivid blue central star, known only as HD 148937, is the brightest member of a triple system of stars in orbit around each other. This extremely hot star is loosing mass from its outer layers continuously, but occasionally more vigorous outbursts give rise to the symmetrical shells seen in this picture. The two catalogue numbers, NGC 6164 and 6165, refer to these shells as separate objects

Nebula NGC 6164 - 5 in the Rule - The emission nebula NGC 6164 - 65 - This nebula is located about 4000 years - light from Earth. It is a bipolar nebula around a very hot star at the end of life, the star HD 148937. Image obtained by Siding Spring's 3.9m telescope. Superficially similar to a planetary nebula, NGC 6164 - 5 is in reality a rather unusual object associated with a rather unusual star. The vivid blue central star, known only as HD 148937, is the brightest member of a triple system of stars in orbit around each other. This extremely hot star is loosing mass from its outer layers continuously, but occasionally more vigorous outbursts give rise to the symmetrical shells seen in this picture. The two catalogue numbers, NGC 6164 and 6165, refer to these shells as separate objects

PIX4619235

Colliding neutron stars and gravitational waves - Colliding neutron stars and gravitational waves: Artist's view of a gravitational wave generated by a system of two neutron stars in collision, spreading over the space-time fabric. Artist's impression of two neutron stars - the compact remnants of what were once massive stars - spiralling towards each other just before merging. The collision of these dense, compact objects produced gravitational waves - fluctuations in the fabric of spacetime - that were detected by the LIGO/Virgo collaboration on 17 August 2017. A couple of seconds after that, ESA's Integral and Nasa's Fermi satellites detected a burst of gamma rays, the luminous counterpart to the gravitational waves emitted by the cosmic clash. This is the first discovery of gravitational waves and light coming from the same source

Colliding neutron stars and gravitational waves - Colliding neutron stars and gravitational waves: Artist's view of a gravitational wave generated by a system of two neutron stars in collision, spreading over the space-time fabric. Artist's impression of two neutron stars - the compact remnants of what were once massive stars - spiralling towards each other just before merging. The collision of these dense, compact objects produced gravitational waves - fluctuations in the fabric of spacetime - that were detected by the LIGO/Virgo collaboration on 17 August 2017. A couple of seconds after that, ESA's Integral and Nasa's Fermi satellites detected a burst of gamma rays, the luminous counterpart to the gravitational waves emitted by the cosmic clash. This is the first discovery of gravitational waves and light coming from the same source

PIX4607575

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

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

PIX4619197

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (single) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens (as here). Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (single) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens (as here). Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

Walter B Myers

PIX4643784

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (single) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens (as here). Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (single) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens (as here). Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

Walter B Myers

PIX4643799

Binary pulsar and gravitational waves - Artist's impression of the pulsar PSR J0348+0432 and its white dwarf companion - Artist's view of a gravitational wave generated by a system of a neutron star associated with a white dwarf, spreading on the fabric of space - time. This artist's impression shows the exotic double object that consists of a tiny, but very heavy neutron star that spins 25 times each second, orbited every two and a half hours by a white dwarf star. The neutron star is a pulsar named PSR J0348+0432 that is giving off radio waves that can be picked up on Earth by radio telescopes. Although this unusual pair is very interesting in its own right it is also a unique laboratory for testing the limits of physical theories. This system is radiating gravitational radiation, ripples in spacetime. Although these waves cannot be detected directly by astronomers on Earth they can be detected indirectly by measuring the change in the orbit of the system as it loses energy. As the p

Binary pulsar and gravitational waves - Artist's impression of the pulsar PSR J0348+0432 and its white dwarf companion - Artist's view of a gravitational wave generated by a system of a neutron star associated with a white dwarf, spreading on the fabric of space - time. This artist's impression shows the exotic double object that consists of a tiny, but very heavy neutron star that spins 25 times each second, orbited every two and a half hours by a white dwarf star. The neutron star is a pulsar named PSR J0348+0432 that is giving off radio waves that can be picked up on Earth by radio telescopes. Although this unusual pair is very interesting in its own right it is also a unique laboratory for testing the limits of physical theories. This system is radiating gravitational radiation, ripples in spacetime. Although these waves cannot be detected directly by astronomers on Earth they can be detected indirectly by measuring the change in the orbit of the system as it loses energy. As the p

PIX4572892

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (binary) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens. Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (binary) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens. Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

Walter B Myers

PIX4643730

Colliding neutron stars and gravitational waves - Colliding neutron stars and gravitational waves: Artist's view of two colliding neutron stars about to merge and explode in kilonova. This type of event produces gravitational waves and a gamma ray burst. This artist's impression shows two tiny but very dense neutron stars at the point at which they merge and explode as a kilonova. Such a very rare event is expected to produce both gravitational waves and a short gamma-ray burst, both of which were observed on 17 August 2017 by LIGO-Virgo and Fermi/INTEGRAL respectively. Subsequent detailed observations with many ESO telescopes confirmed that this object, seen in the galaxy NGC 4993 about 130 million light-years from the Earth, is indeed a kilonova. Such objects are the main source of very heavy chemical elements, such as gold and platinum, in the Universe

Colliding neutron stars and gravitational waves - Colliding neutron stars and gravitational waves: Artist's view of two colliding neutron stars about to merge and explode in kilonova. This type of event produces gravitational waves and a gamma ray burst. This artist's impression shows two tiny but very dense neutron stars at the point at which they merge and explode as a kilonova. Such a very rare event is expected to produce both gravitational waves and a short gamma-ray burst, both of which were observed on 17 August 2017 by LIGO-Virgo and Fermi/INTEGRAL respectively. Subsequent detailed observations with many ESO telescopes confirmed that this object, seen in the galaxy NGC 4993 about 130 million light-years from the Earth, is indeed a kilonova. Such objects are the main source of very heavy chemical elements, such as gold and platinum, in the Universe

PIX4607586

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (binary) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens. Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (binary) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens. Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

Walter B Myers

PIX4643748

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (single) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens (as here). Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (single) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens (as here). Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

Walter B Myers

PIX4643791

Spiral galaxy ESO 269 - 57 in Centaurus - Galaxy ESO 269 - 57 in Centaurus - The spiral galaxy ESO 269 - 57 is about 155 million years away - light from Earth. The picture shows the complex structure of ESO 269 - 57, with an inner “” ring””, of several tightly wound spiral arms, surrounded by two outer ones that appear to split into several branches. Many blue and diffuse objects are visible - most are star - forming regions. The galaxy type is Sa (r) and its distance is about 155 million light - years. It extends over about 4 arcmin in the sky, corresponding to almost 200,000 light - years across. Many other galaxies are visible in the background. This three - colour composite was obtained with VLT ANTU and FORS1 in the morning of March 27, 1999

Spiral galaxy ESO 269 - 57 in Centaurus - Galaxy ESO 269 - 57 in Centaurus - The spiral galaxy ESO 269 - 57 is about 155 million years away - light from Earth. The picture shows the complex structure of ESO 269 - 57, with an inner “” ring””, of several tightly wound spiral arms, surrounded by two outer ones that appear to split into several branches. Many blue and diffuse objects are visible - most are star - forming regions. The galaxy type is Sa (r) and its distance is about 155 million light - years. It extends over about 4 arcmin in the sky, corresponding to almost 200,000 light - years across. Many other galaxies are visible in the background. This three - colour composite was obtained with VLT ANTU and FORS1 in the morning of March 27, 1999

PIX4613539

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (binary) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens. Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (binary) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens. Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

Walter B Myers

PIX4643732

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (binary) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens. Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (binary) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens. Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

Walter B Myers

PIX4643767

Southern Crown Nebula - The Corona Australis nebula (NGC 6726 - 27 - 29) - R Coronae Australis is a region of star formations visible in the southern hemisphere. It is located about 500 light years away from Earth. Image made with Siding Spring's 3.9m telescope. This spectacular reflection nebula is the result of a few bright stars caught up in a large, dusty cloud. If that is all there was here, this region would be considered to be like the Pleiades, an accidental association of dust and stars. However, there are features here that show the dark cloud to be an active star forming nebula, though most of the action is hidden from view. The peculiar yellowish curved streak near the two bright reflection nebulae surround an intriguing object best seen in infrared light, R CRA, a young star still accreting interstellar material on to its surface. It seems to be the source of two compact but distinctly red patches which are Herbig - Haro objects, often the first visible signs of star forma

Southern Crown Nebula - The Corona Australis nebula (NGC 6726 - 27 - 29) - R Coronae Australis is a region of star formations visible in the southern hemisphere. It is located about 500 light years away from Earth. Image made with Siding Spring's 3.9m telescope. This spectacular reflection nebula is the result of a few bright stars caught up in a large, dusty cloud. If that is all there was here, this region would be considered to be like the Pleiades, an accidental association of dust and stars. However, there are features here that show the dark cloud to be an active star forming nebula, though most of the action is hidden from view. The peculiar yellowish curved streak near the two bright reflection nebulae surround an intriguing object best seen in infrared light, R CRA, a young star still accreting interstellar material on to its surface. It seems to be the source of two compact but distinctly red patches which are Herbig - Haro objects, often the first visible signs of star forma

PIX4620228

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (single) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens (as here). Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

The New Horizons probe near 2014 MU69 - Artist's View - New Horizons and 2014 MU69 (single) - Artwork: Artist's view of the New Horizons probe near the small object of Kuiper 2014 MU69. Observations in 2017 show that 2014 MU69 would be either a binary object (model favors), in contact or not, or a single object lengthens (as here). Speculative illustration of Nasa's New Horizons interplanetary probe flying by classical Kuiper belt object (486958) 2014 MU69, about 3 billion miles from the Earth, on 1 January 2019. 2014 MU69 is either a single elongated object about 30 miles long, or two smaller objects orbiting very closely together, maybe even touching; this image illustrates the latter. New Horizons is about the size and shape of a grand piano and weighed 1,054 pounds at launch. The high-gain dish antenna is about 7 feet in diameter and is employed for communication with the Earth

Walter B Myers

PIX4643771

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

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

PIX4619201

Galaxies cluster 1E 0657 - 556 - Dark matter in the galaxy cluster 1E 0657 - 556 - Composite view of the galaxy cluster 1E 0657 - 556 visible and X-rays. The hot gas that surrounds this galaxy cluster, detects in X-rays by the Chandra satellite, is visible in pink on this image. The galaxy cluster, photographed by the Magellan telescope and the Hubble space telescope, appears in the background. By studying the mass of this cluster, astronomers were able to determine that most of this mass was concentrated not in the hot gas detected by Chandra but in the blue coloured areas here, suggesting the existence of dark matter. This composite image shows the galaxy cluster 1E 0657 - 556, also known as the “” bullet cluster.”” This cluster was formed after the collision of two large clusters of galaxies, the most energetic event known in the universe since the Big Bang. Hot gas detected by Chandra telescope in X - rays is seen as two pink clumps in the image and contains most of the “” normal,”

Galaxies cluster 1E 0657 - 556 - Dark matter in the galaxy cluster 1E 0657 - 556 - Composite view of the galaxy cluster 1E 0657 - 556 visible and X-rays. The hot gas that surrounds this galaxy cluster, detects in X-rays by the Chandra satellite, is visible in pink on this image. The galaxy cluster, photographed by the Magellan telescope and the Hubble space telescope, appears in the background. By studying the mass of this cluster, astronomers were able to determine that most of this mass was concentrated not in the hot gas detected by Chandra but in the blue coloured areas here, suggesting the existence of dark matter. This composite image shows the galaxy cluster 1E 0657 - 556, also known as the “” bullet cluster.”” This cluster was formed after the collision of two large clusters of galaxies, the most energetic event known in the universe since the Big Bang. Hot gas detected by Chandra telescope in X - rays is seen as two pink clumps in the image and contains most of the “” normal,”

PIX4565684

Barree spiral galaxy NGC 4319 and Markarian quasar 205 - Galaxy NGC 4319 and quasar Markarian 205 - The barree spiral galaxy NGC 4319, in the center, is 80 million years - light in the constellation of the Dragon. The Markarian 205 quasar, on the top right, is 14 times further at about 1 billion light years. These two objects are therefore not interacting; on the other hand, the galaxy NGC 4319 is probably interacting with the galaxy NGC 4291, out of field, as the weak arm at the bottom left allows. Quasars are galaxies that create an extremely bright core. Image made by the Hubble Space Telescope in 2002. In this NASA Hubble Space Telescope image, an odd celestial duo, the spiral galaxy NGC 4319 (center) and a quasar called Markarian 205 (upper right), appear to be neighbors. In reality, the two objects don't even live in the same city. NGC 4319 is 80 million light - years from Earth. Markarian 205 (Mrk 205) is more than 14 times farther away, residing 1 billion light - years from Ear

Barree spiral galaxy NGC 4319 and Markarian quasar 205 - Galaxy NGC 4319 and quasar Markarian 205 - The barree spiral galaxy NGC 4319, in the center, is 80 million years - light in the constellation of the Dragon. The Markarian 205 quasar, on the top right, is 14 times further at about 1 billion light years. These two objects are therefore not interacting; on the other hand, the galaxy NGC 4319 is probably interacting with the galaxy NGC 4291, out of field, as the weak arm at the bottom left allows. Quasars are galaxies that create an extremely bright core. Image made by the Hubble Space Telescope in 2002. In this NASA Hubble Space Telescope image, an odd celestial duo, the spiral galaxy NGC 4319 (center) and a quasar called Markarian 205 (upper right), appear to be neighbors. In reality, the two objects don't even live in the same city. NGC 4319 is 80 million light - years from Earth. Markarian 205 (Mrk 205) is more than 14 times farther away, residing 1 billion light - years from Ear

PIX4611257

Galaxy of the Wheel of the Charette in the Sculptor - The Cartwheel Galaxy - The ring galaxy of the Wheel of the Charette is about 500 million years away - light from the Earth. It is surrounded by a ring of 150,000 years - light of diameter composed of young and very bright stars. This particular form is the result of a collision, probably with one of the two galaxies on the right. Image obtained by the Hubble Space Telescope in October 1994. A rare and spectacular head - on collision between two galaxies appears in this NASA Hubble Space Telescope true - color image of the Cartwheel Galaxy, located 500 million light - years away in the constellation Sculptor. The details of star birth resolved by Hubble provide an opportunity to study how extremely massive stars are born in large fragmented gas clouds. The striking ring - like feature is a direct result of a smaller intruder galaxy - - possibly one of two objects to the right of the ring - - that careened through the core of the host

Galaxy of the Wheel of the Charette in the Sculptor - The Cartwheel Galaxy - The ring galaxy of the Wheel of the Charette is about 500 million years away - light from the Earth. It is surrounded by a ring of 150,000 years - light of diameter composed of young and very bright stars. This particular form is the result of a collision, probably with one of the two galaxies on the right. Image obtained by the Hubble Space Telescope in October 1994. A rare and spectacular head - on collision between two galaxies appears in this NASA Hubble Space Telescope true - color image of the Cartwheel Galaxy, located 500 million light - years away in the constellation Sculptor. The details of star birth resolved by Hubble provide an opportunity to study how extremely massive stars are born in large fragmented gas clouds. The striking ring - like feature is a direct result of a smaller intruder galaxy - - possibly one of two objects to the right of the ring - - that careened through the core of the host

PIX4613594

Star births in the nebula NGC 6729 - Young stars in the nebula NGC 6729 - Close up on a star-forming region. The new stars are invisible, hidden behind the dust cloud at the top left of the image, but the material they eject at very high speed causes colorful and luminous arcs in contact with the surrounding gas. Image obtained in Chile with the VLT. This very detailed false - colour image from Eso's Very Large Telescope shows the dramatic effects of very young stars on the dust and gas from which they were born in the star - forming region NGC 6729. The baby stars are invisible in this picture, being hidden behind dust clouds at the upper left of the picture, but material they are ejecting is crashing into the surroundings at speeds of that can be as high as one million kilometres per hour. These shocks cause the gas to shine and create the strangely coloured glowing arcs and blobs known as Herbig - Haro objects. In this view the Herbig - Haro objects form two lines marking out the pr

Star births in the nebula NGC 6729 - Young stars in the nebula NGC 6729 - Close up on a star-forming region. The new stars are invisible, hidden behind the dust cloud at the top left of the image, but the material they eject at very high speed causes colorful and luminous arcs in contact with the surrounding gas. Image obtained in Chile with the VLT. This very detailed false - colour image from Eso's Very Large Telescope shows the dramatic effects of very young stars on the dust and gas from which they were born in the star - forming region NGC 6729. The baby stars are invisible in this picture, being hidden behind dust clouds at the upper left of the picture, but material they are ejecting is crashing into the surroundings at speeds of that can be as high as one million kilometres per hour. These shocks cause the gas to shine and create the strangely coloured glowing arcs and blobs known as Herbig - Haro objects. In this view the Herbig - Haro objects form two lines marking out the pr

PIX4620300

Nov. 11, 1953 - Army radar team spots the thing R.A.F. pilots saw. From the war office last night came a report that a” Strange object” seen passing over Kent on November 3 was, in fact, tracked by an army reader set in South-east London. This was the first time that an official report has been made in this country about objects that have been and reported first by flying officers T.S. Johnson and C. Scythe, who were at 20,000 ft. in a Vampire jet on that day. When they reported this at west Malling air station, investigations were started. It was found that the war office had received a report a reader on this object from a Territorial Arny unit testing a reader set an El them - road, lee green, photo shows Mr. A.J. Jeffrey (technical strongman (right), and SCT. H. Waller, r.a. (left), a radar instructor, two of the radar team who spotted” The thing” seen discussing their experiences this morning.

Nov. 11, 1953 - Army radar team spots the thing R.A.F. pilots saw. From the war office last night came a report that a” Strange object” seen passing over Kent on November 3 was, in fact, tracked by an army reader set in South-east London. This was the first time that an official report has been made in this country about objects that have been and reported first by flying officers T.S. Johnson and C. Scythe, who were at 20,000 ft. in a Vampire jet on that day. When they reported this at west Malling air station, investigations were started. It was found that the war office had received a report a reader on this object from a Territorial Arny unit testing a reader set an El them - road, lee green, photo shows Mr. A.J. Jeffrey (technical strongman (right), and SCT. H. Waller, r.a. (left), a radar instructor, two of the radar team who spotted” The thing” seen discussing their experiences this morning.

ZUM4895619

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

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

PIX4619228

Nebula of the cone NGC 2264 in the Unicorn - Nebulae in Monoceros - The nebula of the Cone below, is a region about 2600 years - light from the Earth. The bright star in the high center is S Monocerotis, a star of magnitude 4.7. Nests in these gas clouds, the Christmas tree, a cluster of young stars whose shape evokes a Christmas tree. This wide - field image of the Christmas Tree Cluster was taken at the National Science Foundation's 0.9 - meter telescope on Kitt Peak with the NOAO Mosaic CCD camera. Also known as NGC2264, it is an open cluster of stars embedded in a diffuse nebula. It is located in the constellation of Monoceros, the Unicorn. The image also contains two famous nebula. At the bottom center of the image is the Cone Nebula, and to the upper left is the Fox Fur Nebula. The bright star just above the center of the image is known as S Mon. The gentle arcs in orange and blue near the center of the image are Herbig Haro objects, jets of gas from protostars embedded in the ne

Nebula of the cone NGC 2264 in the Unicorn - Nebulae in Monoceros - The nebula of the Cone below, is a region about 2600 years - light from the Earth. The bright star in the high center is S Monocerotis, a star of magnitude 4.7. Nests in these gas clouds, the Christmas tree, a cluster of young stars whose shape evokes a Christmas tree. This wide - field image of the Christmas Tree Cluster was taken at the National Science Foundation's 0.9 - meter telescope on Kitt Peak with the NOAO Mosaic CCD camera. Also known as NGC2264, it is an open cluster of stars embedded in a diffuse nebula. It is located in the constellation of Monoceros, the Unicorn. The image also contains two famous nebula. At the bottom center of the image is the Cone Nebula, and to the upper left is the Fox Fur Nebula. The bright star just above the center of the image is known as S Mon. The gentle arcs in orange and blue near the center of the image are Herbig Haro objects, jets of gas from protostars embedded in the ne

PIX4618652

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

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

PIX4564306

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

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

PIX4619260

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

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

PIX4564310

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

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

Walter B Myers

PIX4616824

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

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

PIX4564283

Constellation of Big Bear - Constellation of Ursa Major - The constellation of Big Bear with the constellations of Hunting Dogs and Little Lion. Ursa Major is the third largest constellation in the sky but is not seen by skywatchers in the far southern hemisphere. However, it is the most recognisable of all constellations for those who can see it, mainly because of the asterism formed by the seven brightest stars. This is known as the Big Dipper in the USA, the Plough in Britain, various kinds of carts in Europe and a range of other objects in other cultures. Not surprisingly the constellation as a whole has a rich mythology associated with it, with many peoples projecting their stories among these beautiful stars. Greatly abbreviated, one ancient Greek version has Zeus romancing Callisto. His wife Hera changed Callisto into a bear out of jealousy. Hera's son Arcus found Callisto (the bear) by chance in the forest and was about to kill her, so to save her, Zeus turned Arcus into a smal

Constellation of Big Bear - Constellation of Ursa Major - The constellation of Big Bear with the constellations of Hunting Dogs and Little Lion. Ursa Major is the third largest constellation in the sky but is not seen by skywatchers in the far southern hemisphere. However, it is the most recognisable of all constellations for those who can see it, mainly because of the asterism formed by the seven brightest stars. This is known as the Big Dipper in the USA, the Plough in Britain, various kinds of carts in Europe and a range of other objects in other cultures. Not surprisingly the constellation as a whole has a rich mythology associated with it, with many peoples projecting their stories among these beautiful stars. Greatly abbreviated, one ancient Greek version has Zeus romancing Callisto. His wife Hera changed Callisto into a bear out of jealousy. Hera's son Arcus found Callisto (the bear) by chance in the forest and was about to kill her, so to save her, Zeus turned Arcus into a smal

PIX4591218

Constellation of Big Bear - Constellation of Ursa Major - The constellation of Big Bear with the constellations of Hunting Dogs and Little Lion. Ursa Major is the third largest constellation in the sky but is not seen by skywatchers in the far southern hemisphere. However, it is the most recognisable of all constellations for those who can see it, mainly because of the asterism formed by the seven brightest stars. This is known as the Big Dipper in the USA, the Plough in Britain, various kinds of carts in Europe and a range of other objects in other cultures. Not surprisingly the constellation as a whole has a rich mythology associated with it, with many peoples projecting their stories among these beautiful stars. Greatly abbreviated, one ancient Greek version has Zeus romancing Callisto. His wife Hera changed Callisto into a bear out of jealousy. Hera's son Arcus found Callisto (the bear) by chance in the forest and was about to kill her, so to save her, Zeus turned Arcus into a smal

Constellation of Big Bear - Constellation of Ursa Major - The constellation of Big Bear with the constellations of Hunting Dogs and Little Lion. Ursa Major is the third largest constellation in the sky but is not seen by skywatchers in the far southern hemisphere. However, it is the most recognisable of all constellations for those who can see it, mainly because of the asterism formed by the seven brightest stars. This is known as the Big Dipper in the USA, the Plough in Britain, various kinds of carts in Europe and a range of other objects in other cultures. Not surprisingly the constellation as a whole has a rich mythology associated with it, with many peoples projecting their stories among these beautiful stars. Greatly abbreviated, one ancient Greek version has Zeus romancing Callisto. His wife Hera changed Callisto into a bear out of jealousy. Hera's son Arcus found Callisto (the bear) by chance in the forest and was about to kill her, so to save her, Zeus turned Arcus into a smal

PIX4591228

NGC 1850 Star Cluster in Dorado - Double Cluster NGC 1850 in Dorado - The double cluster NGC 1850 is located in the galaxy of the Great Magellan Cloud. It contains a cluster of globular form, but young, 50 million years, in the center of the image and another cluster, at the bottom right, even younger (4 million years), consists of warm and blue stars and a few T - Tauri stars. NGC 1850, imaged here with the NASA/ESA Hubble Space Telescope, is an unusual double cluster that lies in the bar of the Large Magellanic Cloud, a satellite galaxy of our own Milky Way. After the 30 Doradus complex, NGC 1850 is the brightest star cluster in the Large Magellanic Cloud. It is representative of a special class of objects - young, globular - like star clusters - that have no counterpart in our own Galaxy. The two components of the cluster are both relatively young and consist of a main globular - like cluster in the centre and an even younger, smaller cluster, seen below and to the right, composed o

NGC 1850 Star Cluster in Dorado - Double Cluster NGC 1850 in Dorado - The double cluster NGC 1850 is located in the galaxy of the Great Magellan Cloud. It contains a cluster of globular form, but young, 50 million years, in the center of the image and another cluster, at the bottom right, even younger (4 million years), consists of warm and blue stars and a few T - Tauri stars. NGC 1850, imaged here with the NASA/ESA Hubble Space Telescope, is an unusual double cluster that lies in the bar of the Large Magellanic Cloud, a satellite galaxy of our own Milky Way. After the 30 Doradus complex, NGC 1850 is the brightest star cluster in the Large Magellanic Cloud. It is representative of a special class of objects - young, globular - like star clusters - that have no counterpart in our own Galaxy. The two components of the cluster are both relatively young and consist of a main globular - like cluster in the centre and an even younger, smaller cluster, seen below and to the right, composed o

PIX4567832

Globular cluster M72 in Aquarius - Globular cluster M72 in Aquarius - M72 (NGC 6981) is a cluster of stars located about 50,000 years from Earth. Image obtained by the Hubble Space Telescope. This rich collection of scattered stars, known as Messier 72, is actually a globular cluster, an ancient spherical collection of old stars packed much closer together at its centre. As well as huge numbers of stars in the cluster itself the picture also captures the images of many much more distant galaxies seen between and around the cluster stars. English astronomer Pierre Megchain discovered this rich cluster in August of 1780, but we take Messier 72's most common name from Mechain's colleague Charles Messier, who recorded it as the 72nd entry in his famous catalog of comet - like objects just two months later. This globular cluster lies in the constellation of Aquarius (the Water Bearer) about 50 000 light - years from Earth. This image was taken with the Wide Field Channel of the Advanced Cam

Globular cluster M72 in Aquarius - Globular cluster M72 in Aquarius - M72 (NGC 6981) is a cluster of stars located about 50,000 years from Earth. Image obtained by the Hubble Space Telescope. This rich collection of scattered stars, known as Messier 72, is actually a globular cluster, an ancient spherical collection of old stars packed much closer together at its centre. As well as huge numbers of stars in the cluster itself the picture also captures the images of many much more distant galaxies seen between and around the cluster stars. English astronomer Pierre Megchain discovered this rich cluster in August of 1780, but we take Messier 72's most common name from Mechain's colleague Charles Messier, who recorded it as the 72nd entry in his famous catalog of comet - like objects just two months later. This globular cluster lies in the constellation of Aquarius (the Water Bearer) about 50 000 light - years from Earth. This image was taken with the Wide Field Channel of the Advanced Cam

PIX4565111

San Francisco Bay area view from space - San Francisco Bay area seen from space - San Francisco Bay area seen from space on April 17, 1998 from space shuttle Columbia. San Francisco Bay Area, California April 17, 1998. Considered one of the best natural harbors in the world, San Francisco Bay, with its various sediment patterns, can be seen in this unique near - vertical view. Surrounded by the San Francisco Metropolitan area to the west and southwest, the Berkeley and Oakland Metropolitan area to the east, and the San Jose Metropolitan (not visible on the image) to the southeast, San Francisco Bay is 50 miles (80 km) long and from 3 to 13 miles (5 to 21 km) wide. Waters of the Pacific Ocean (bottom of image) enter the bay through Golden Gate, a strait between two peninsulas. The world famous Golden Gate Bridge is discernible on the image connecting the two peninsulas. The bay is as deep as 100 feet (30 meters) in spots, with a channel 50 feet (15 meters) deep maintained through the sa

San Francisco Bay area view from space - San Francisco Bay area seen from space - San Francisco Bay area seen from space on April 17, 1998 from space shuttle Columbia. San Francisco Bay Area, California April 17, 1998. Considered one of the best natural harbors in the world, San Francisco Bay, with its various sediment patterns, can be seen in this unique near - vertical view. Surrounded by the San Francisco Metropolitan area to the west and southwest, the Berkeley and Oakland Metropolitan area to the east, and the San Jose Metropolitan (not visible on the image) to the southeast, San Francisco Bay is 50 miles (80 km) long and from 3 to 13 miles (5 to 21 km) wide. Waters of the Pacific Ocean (bottom of image) enter the bay through Golden Gate, a strait between two peninsulas. The world famous Golden Gate Bridge is discernible on the image connecting the two peninsulas. The bay is as deep as 100 feet (30 meters) in spots, with a channel 50 feet (15 meters) deep maintained through the sa

PIX4672866

Galaxy of the Wheel of the Charette in the Sculptor - The Cartwheel Galaxy - The ring galaxy of the Wheel of the Charette is about 500 million years away - light from Earth. It is surrounded by a ring of 150,000 years - light of diameter composed of young and very bright stars (detail at the top left). This particular form is the result of a collision, probably with one of the two galaxies on the right. Bottom left, close-up on the nucleus of the galaxy. Image obtained by the Hubble Space Telescope in October 1994. A rare and spectacular head - on collision between two galaxies appears in this NASA Hubble Space Telescope true - color image of the Cartwheel Galaxy, located 500 million light - years away in the constellation Sculptor. The details of star birth resolved by Hubble provide an opportunity to study how extremely massive stars are born in large fragmented gas clouds. The striking ring - like feature is a direct result of a smaller intruder galaxy - - possibly one of two object

Galaxy of the Wheel of the Charette in the Sculptor - The Cartwheel Galaxy - The ring galaxy of the Wheel of the Charette is about 500 million years away - light from Earth. It is surrounded by a ring of 150,000 years - light of diameter composed of young and very bright stars (detail at the top left). This particular form is the result of a collision, probably with one of the two galaxies on the right. Bottom left, close-up on the nucleus of the galaxy. Image obtained by the Hubble Space Telescope in October 1994. A rare and spectacular head - on collision between two galaxies appears in this NASA Hubble Space Telescope true - color image of the Cartwheel Galaxy, located 500 million light - years away in the constellation Sculptor. The details of star birth resolved by Hubble provide an opportunity to study how extremely massive stars are born in large fragmented gas clouds. The striking ring - like feature is a direct result of a smaller intruder galaxy - - possibly one of two object

PIX4613572

The Hubble Space Telescope's Near Infrared Camera and Multi - Object Spectrometer (NICMOS) has captured a glimpse of a brief stage in the burnout of NGC 7027, a medium - mass star like our sun. THE INFRARED VIEW - - The composite color image of NGC 7027 (on the left) is among the first data of a planetary nebula taken with NICMOS. This picture is actually composed of three separate images taken at different wavelengths. The red color represents cool molecular hydrogen gas, the most abundant gas in the universe. The image reveals the central star, which is difficult to see in images taken with visible light. Surrounding it is an elongated region of gas and dust cast off by the star. This gas (appearing as white) has a temperature of several tens of thousands of degrees Fahrenheit. The object has two “” cones”” of cool molecular hydrogen gas (the red material) glowing in the infrared. The gas has been energized by ultraviolet light from the star - a process known as fluorescence. Most of

The Hubble Space Telescope's Near Infrared Camera and Multi - Object Spectrometer (NICMOS) has captured a glimpse of a brief stage in the burnout of NGC 7027, a medium - mass star like our sun. THE INFRARED VIEW - - The composite color image of NGC 7027 (on the left) is among the first data of a planetary nebula taken with NICMOS. This picture is actually composed of three separate images taken at different wavelengths. The red color represents cool molecular hydrogen gas, the most abundant gas in the universe. The image reveals the central star, which is difficult to see in images taken with visible light. Surrounding it is an elongated region of gas and dust cast off by the star. This gas (appearing as white) has a temperature of several tens of thousands of degrees Fahrenheit. The object has two “” cones”” of cool molecular hydrogen gas (the red material) glowing in the infrared. The gas has been energized by ultraviolet light from the star - a process known as fluorescence. Most of

PIX4623549

Cometary Globule CG4 dans la Puppe - Grand Champ - CG4 a cometary globule in Puppis - Wide field - Cometary cells are small clouds of isolated gases. This one, called CG4 (left middle of the image), is located about 1300 light years away in the constellation Pupus. Its head is 1.5 years light and its tail extends for 8 years. This cloud is a star-forming region. A spiral galaxy seen by the slice (ESO 257 - 19) is visible to the left of the blood cell. It is located 100 million years later. At the bottom left of the image, another galaxy is visible, NGC 2427. This region of the southern sky has numerous colorful faint gaseous nebulae that are very difficult to image due to thier very low surface brightness. CG4 is a ruptured cometary globule that appears to be ready to “” eat””” the distant galaxy ESO257 - 019. In fact, these two objects are very far apart; ESO257 - 019 being more than 100 million light years further away than CG4. Cometary blood cells are isolated, relatively small clo

Cometary Globule CG4 dans la Puppe - Grand Champ - CG4 a cometary globule in Puppis - Wide field - Cometary cells are small clouds of isolated gases. This one, called CG4 (left middle of the image), is located about 1300 light years away in the constellation Pupus. Its head is 1.5 years light and its tail extends for 8 years. This cloud is a star-forming region. A spiral galaxy seen by the slice (ESO 257 - 19) is visible to the left of the blood cell. It is located 100 million years later. At the bottom left of the image, another galaxy is visible, NGC 2427. This region of the southern sky has numerous colorful faint gaseous nebulae that are very difficult to image due to thier very low surface brightness. CG4 is a ruptured cometary globule that appears to be ready to “” eat””” the distant galaxy ESO257 - 019. In fact, these two objects are very far apart; ESO257 - 019 being more than 100 million light years further away than CG4. Cometary blood cells are isolated, relatively small clo

Tom Davis

PIX4621580

Open cluster NGC 6939 and galaxy NGC 6946 - Spiral galaxy NGC 6946 and open cluster NGC 6939 - The spiral galaxy NGC 6946 is located about 10 million years ago - light in Cephee. Many star formations are observed here. The cluster of stars NGC 6939, on the right, belongs to our galaxy. Spiral Galaxy NGC 6946 and Open Cluster NGC 6939 are located about 2 degrees southwest of Eta Cepheus. 6946 is a 9.7 magnitude spiral galaxy that was discovered by William Herschel on September 9, 1798 and is about 10 arc minutes in diameter. It is a relatively close galaxy at a distance of about 10 million light years, and was once suspected by Edwin Hubble of being a member of the Local Group of galaxies that includes the Milky Way, but today it is not believed to be a member. Because we are looking at it through the plane of our own galaxy, it is highly obscured by dust. NGC 6946 is sometimes called the Fireworks galaxy because of the number of supernovae that have been discovered there and the galaxy

Open cluster NGC 6939 and galaxy NGC 6946 - Spiral galaxy NGC 6946 and open cluster NGC 6939 - The spiral galaxy NGC 6946 is located about 10 million years ago - light in Cephee. Many star formations are observed here. The cluster of stars NGC 6939, on the right, belongs to our galaxy. Spiral Galaxy NGC 6946 and Open Cluster NGC 6939 are located about 2 degrees southwest of Eta Cepheus. 6946 is a 9.7 magnitude spiral galaxy that was discovered by William Herschel on September 9, 1798 and is about 10 arc minutes in diameter. It is a relatively close galaxy at a distance of about 10 million light years, and was once suspected by Edwin Hubble of being a member of the Local Group of galaxies that includes the Milky Way, but today it is not believed to be a member. Because we are looking at it through the plane of our own galaxy, it is highly obscured by dust. NGC 6946 is sometimes called the Fireworks galaxy because of the number of supernovae that have been discovered there and the galaxy

Jerry Lodriguss

PIX4568549

Primitive black hole - Artist view - Primitive Black hole - Artist view - Artist view of a primitive galactic black hole. The presence of 13 billion-year-old black holes was observed by the Spitzer space telescope. These distant black holes appear in the early stages of their formation; their accretion disc contains no dust. This artist's conception illustrates one of the most primitive supermassive black holes known (central black dot) at the core of a young, star-rich galaxy. Astronomers using Nasa's Spitzer Space Telescope have uncovered two of these early objects, dating back to about 13 billion years ago. The monstrous black holes are among the most distant known, and appear to be in the very earliest stages of formation, earlier than any observed so far. Unlike all other supermassive black holes probed to date, this primitive duo, called J0005-0006 and J0303-0019, lacks dust. As the drawing shows, gas swirls around a black hole in what is called an accretion disk. Usually, the ac

Primitive black hole - Artist view - Primitive Black hole - Artist view - Artist view of a primitive galactic black hole. The presence of 13 billion-year-old black holes was observed by the Spitzer space telescope. These distant black holes appear in the early stages of their formation; their accretion disc contains no dust. This artist's conception illustrates one of the most primitive supermassive black holes known (central black dot) at the core of a young, star-rich galaxy. Astronomers using Nasa's Spitzer Space Telescope have uncovered two of these early objects, dating back to about 13 billion years ago. The monstrous black holes are among the most distant known, and appear to be in the very earliest stages of formation, earlier than any observed so far. Unlike all other supermassive black holes probed to date, this primitive duo, called J0005-0006 and J0303-0019, lacks dust. As the drawing shows, gas swirls around a black hole in what is called an accretion disk. Usually, the ac

PIX4584544

Young stars in Rho Ophiuchi - Young stars in Rho Ophiuchi - Image of the central part of Rho Ophiuchi obtained in infrared by the Spitzer space telescope. Rho Ophiuchi is a vast dark cloud of molecular hydrogen located 407 years - light from Earth in the constellations of Ophiuchus and Scorpio. More than 300 young stars aged only 300,000 years have been observed. On this picture in false colors highlighting the temperature differences present in this cloud, the younger stars appear in red, the more evolute stars in blue. Newborn stars peek out from beneath their natal blanket of dust in this dynamic image of the Rho Ophiuchi dark cloud from Nasa's Spitzer Space Telescope. Called “” Rho Oph””” by astronomers, it's one of the closest star - forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. Rho Oph is a complex made up of a large main cloud of molecular hydrogen, a key molecule allowing new

Young stars in Rho Ophiuchi - Young stars in Rho Ophiuchi - Image of the central part of Rho Ophiuchi obtained in infrared by the Spitzer space telescope. Rho Ophiuchi is a vast dark cloud of molecular hydrogen located 407 years - light from Earth in the constellations of Ophiuchus and Scorpio. More than 300 young stars aged only 300,000 years have been observed. On this picture in false colors highlighting the temperature differences present in this cloud, the younger stars appear in red, the more evolute stars in blue. Newborn stars peek out from beneath their natal blanket of dust in this dynamic image of the Rho Ophiuchi dark cloud from Nasa's Spitzer Space Telescope. Called “” Rho Oph””” by astronomers, it's one of the closest star - forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. Rho Oph is a complex made up of a large main cloud of molecular hydrogen, a key molecule allowing new

PIX4621537

Southern Crown Nebula - The Corona Australis nebula (NGC 6726 - 27 - 29) - R Coronae Australis is one of the closest and most intense star-forming regions; visible in the southern hemisphere, it is located about 500 years from Earth. R Coronae Australis is the star in the center of the image that illuminates a reddish nebula around it. Image obtained in Chile at the observatory of La Silla with the 2.2 meter MPG/ESO telescope. Image of R Coronae Australis region in the southern Milky Way, obtained with the Wide Field Imager (WFI) (camera) at the 2.2 - m MPG/ESO Telescope on La Silla (Chile). The R Coronae Australis complex of young stars and interstellar gas clouds is one of the nearest star - forming regions, at a distance of approx. 500 light - years from the Sun. It is seen in the southern constellation of that name (The “Southern Crown”). R Coronae Australis, the bright star from which the entire complex is named, is located at the center of the field and illuminates the reddish ne

Southern Crown Nebula - The Corona Australis nebula (NGC 6726 - 27 - 29) - R Coronae Australis is one of the closest and most intense star-forming regions; visible in the southern hemisphere, it is located about 500 years from Earth. R Coronae Australis is the star in the center of the image that illuminates a reddish nebula around it. Image obtained in Chile at the observatory of La Silla with the 2.2 meter MPG/ESO telescope. Image of R Coronae Australis region in the southern Milky Way, obtained with the Wide Field Imager (WFI) (camera) at the 2.2 - m MPG/ESO Telescope on La Silla (Chile). The R Coronae Australis complex of young stars and interstellar gas clouds is one of the nearest star - forming regions, at a distance of approx. 500 light - years from the Sun. It is seen in the southern constellation of that name (The “Southern Crown”). R Coronae Australis, the bright star from which the entire complex is named, is located at the center of the field and illuminates the reddish ne

PIX4620317

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

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

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

PIX4620033

Irregular dwarf galaxy I Zwicky 18 - Irregular dwarf galaxy I Zwicky 18 - The irregular dwarf galaxy I Zwicky 18 is located 59 million years - light in the Great Bear and extends over about 3000 years - light. The two bright white spots are star-forming regions. At the top left, another galaxy is visible. This galaxy could be interacting with I Zwicky 18. This image is the result of observations made by the Hubble Space Telescope in 2005 and 2006. Called I Zwicky 18, this galaxy has a youthful appearance that resembles galaxies typically found only in the early universe. Hubble has now found faint, older stars within this galaxy, suggesting that the galaxy may have formed at the same time as most other galaxies. I Zwicky 18 is classified as a dwarf irregular galaxy and is much smaller than our Milky Way Galaxy. The concentrated bluish - white knots embedded in the heart of the galaxy are two major starburst regions where stars are forming at a furious rate. The wispy blue filaments sur

Irregular dwarf galaxy I Zwicky 18 - Irregular dwarf galaxy I Zwicky 18 - The irregular dwarf galaxy I Zwicky 18 is located 59 million years - light in the Great Bear and extends over about 3000 years - light. The two bright white spots are star-forming regions. At the top left, another galaxy is visible. This galaxy could be interacting with I Zwicky 18. This image is the result of observations made by the Hubble Space Telescope in 2005 and 2006. Called I Zwicky 18, this galaxy has a youthful appearance that resembles galaxies typically found only in the early universe. Hubble has now found faint, older stars within this galaxy, suggesting that the galaxy may have formed at the same time as most other galaxies. I Zwicky 18 is classified as a dwarf irregular galaxy and is much smaller than our Milky Way Galaxy. The concentrated bluish - white knots embedded in the heart of the galaxy are two major starburst regions where stars are forming at a furious rate. The wispy blue filaments sur

PIX4613873

Nebula NGC 6726 - 27 - 29 in the Southern Crown - The Corona Australis nebula (NGC 6726 - 27 - 29) Image of R Coronae Australis region in the southern Milky Way, obtained with the Wide Field Imager (WFI) (camera) at the 2.2 - m MPG/ESO Telescope on La Silla (Chile). The sky field shown measures approx. 33.7 x 31.9 arcmin2 (about the diameter of the full moon). The R Coronae Australis complex of young stars and interstellar gas clouds is one of the nearest star - forming regions, at a distance of approx. 500 light - years from the Sun. It is seen in the southern constellation of that name (The “Southern Crown”). R Coronae Australis, the bright star from which the entire complex is named, is located at the center of the field and illuminates the reddish nebula around it. The bright star in the lower part, illuminating a somewhat bluer nebula, is known as TY Coronae Australis. The brightness of these two stars and several others in the same field is variable. They belong to the so - calle

Nebula NGC 6726 - 27 - 29 in the Southern Crown - The Corona Australis nebula (NGC 6726 - 27 - 29) Image of R Coronae Australis region in the southern Milky Way, obtained with the Wide Field Imager (WFI) (camera) at the 2.2 - m MPG/ESO Telescope on La Silla (Chile). The sky field shown measures approx. 33.7 x 31.9 arcmin2 (about the diameter of the full moon). The R Coronae Australis complex of young stars and interstellar gas clouds is one of the nearest star - forming regions, at a distance of approx. 500 light - years from the Sun. It is seen in the southern constellation of that name (The “Southern Crown”). R Coronae Australis, the bright star from which the entire complex is named, is located at the center of the field and illuminates the reddish nebula around it. The bright star in the lower part, illuminating a somewhat bluer nebula, is known as TY Coronae Australis. The brightness of these two stars and several others in the same field is variable. They belong to the so - calle

PIX4620222

Brown dwarf around the red dwarf star Gliese 229 - Brown dwarf around red dwarf Gliese 229 - First false-colored image of a brown dwarf. With a mass of 20 to 50 times that of Jupiter, but of a diameter equivalent to the gas planet, GL229B, is orbiting around the red dwarf star Gliese 229, about 18 years - light from Earth in the constellation Lievre. On the left, the observation made from the ground in adaptive optics at Mount Palomar, October 27, 1994. On the right, the image obtained by the Hubble space telescope on November 17, 1995. These two false - color telescope images reveal the faintest object ever seen around a star beyond our Sun, and the first unambiguous detection of a brown dwarf. The brown dwarf, called GL229B, orbits the red dwarf star Gliese 229, located approximately 18 light - years away in the constellation Lepus. The brown dwarf is about 20 - 50 times the mass of Jupiter, but is so dense it is about the same diameter as Jupiter (80,000 miles). Brown dwarfs are a m

Brown dwarf around the red dwarf star Gliese 229 - Brown dwarf around red dwarf Gliese 229 - First false-colored image of a brown dwarf. With a mass of 20 to 50 times that of Jupiter, but of a diameter equivalent to the gas planet, GL229B, is orbiting around the red dwarf star Gliese 229, about 18 years - light from Earth in the constellation Lievre. On the left, the observation made from the ground in adaptive optics at Mount Palomar, October 27, 1994. On the right, the image obtained by the Hubble space telescope on November 17, 1995. These two false - color telescope images reveal the faintest object ever seen around a star beyond our Sun, and the first unambiguous detection of a brown dwarf. The brown dwarf, called GL229B, orbits the red dwarf star Gliese 229, located approximately 18 light - years away in the constellation Lepus. The brown dwarf is about 20 - 50 times the mass of Jupiter, but is so dense it is about the same diameter as Jupiter (80,000 miles). Brown dwarfs are a m

PIX4572124

Viola and bow.

UIG535636

A pair of Florentine pietra dura panels depicting birds (pietra dura)

A pair of Florentine pietra dura panels depicting birds (pietra dura)

CH1765112

Two cardinal virtues, 11th - 12th Century (mosaic)

Two cardinal virtues, 11th - 12th Century (mosaic)

Italian School, (12th century)

Sergio Anelli

ELC858473

Violin and bow.

Violin and bow.

UIG535638

Two cardinal virtues, 11th - 12th Century (mosaic)

Two cardinal virtues, 11th - 12th Century (mosaic)

Italian School, (12th century)

Sergio Anelli

ELC858474

Collection of Decorated papers. Woodblock printed box with top, and decorations.

Collection of Decorated papers. Woodblock printed box with top, and decorations.

BL3291681

Visual demonstration of the Pythagorean theorem.

Visual demonstration of the Pythagorean theorem.

UIG531949

An annular strip (region between two concentric circles) cut and bent into a helical strake following the contour of a cylinder.

An annular strip (region between two concentric circles) cut and bent into a helical strake following the contour of a cylinder.

UIG531979

Palazzo della Prefettura in Treviso,

Palazzo della Prefettura in Treviso,

ELC858994

Glaucophyta and Cyanoptyche

Glaucophyta and Cyanoptyche

DGA1259686

Pair of three branch silver candelabra.

Pair of three branch silver candelabra.

A C Cooper

DGA514720

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