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Laser shooting at the Paranal Observatory - The VLT Laser Guide Star - View from the LGS (Laser Guide Star), a laser beam launches from the Yepun (UT4) telescope of the VLT. This laser creates an artificial star in the high atmosphere at about 90 km altitude. This repere is analysed and each variation of turbulence in the atmosphere is detected and corrected by the adaptive optics of the telescope. On the left, the two galaxies of the Magellan Cloud, on the right, the dome of the VST (VLT Survey Telescope). A 50 cm wide yellow laser beam is coming out of Yepun, (UT4) of the Very Large Telescope. It is used to create a yellow artificial star at 95 km of altitude which helps the adaptive optics to measure and correct the atmosphere's blurring effect. On the left, the two Magellanic Clouds, on the right, the VST dome

Laser shooting at the Paranal Observatory - The VLT Laser Guide Star - View from the LGS (Laser Guide Star), a laser beam launches from the Yepun (UT4) telescope of the VLT. This laser creates an artificial star in the high atmosphere at about 90 km altitude. This repere is analysed and each variation of turbulence in the atmosphere is detected and corrected by the adaptive optics of the telescope. On the left, the two galaxies of the Magellan Cloud, on the right, the dome of the VST (VLT Survey Telescope). A 50 cm wide yellow laser beam is coming out of Yepun, (UT4) of the Very Large Telescope. It is used to create a yellow artificial star at 95 km of altitude which helps the adaptive optics to measure and correct the atmosphere's blurring effect. On the left, the two Magellanic Clouds, on the right, the VST dome

Stephane Guisard

PIX4656905

Sir Norman Lockyer's observatory, Westgate-on-Sea, Isle of Thanet, c 1890

Sir Norman Lockyer's observatory, Westgate-on-Sea, Isle of Thanet, c 1890

UIS5096378

Exoplanete HD 85512b - The rocky super - Earth HD 85512 b - HD 85512 b is an exoplanet orbiting around the star HD 85512, located about 36 years ago - light from Earth in the constellation of Sails. It is one of the smallest exoplanets in habitable areas discovered to date; this super Earth was detected with the help of the HARPS program at the La Silla Observatory in Chile in August 2011. This artist's impression shows the planet orbiting the Sun - like star HD 85512 in the southern constellation of Vela (The Sail). This planet is one of sixteen super - Earths discovered by the HARPS instrument on the 3.6 - metre telescope at Eso's La Silla Observatory. This planet, HD 85512b, is about 3.6 times as massive as the Earth and lies at the edge of the habitable zone around the star, where liquid water, and perhaps even life, could potentially exist

Exoplanete HD 85512b - The rocky super - Earth HD 85512 b - HD 85512 b is an exoplanet orbiting around the star HD 85512, located about 36 years ago - light from Earth in the constellation of Sails. It is one of the smallest exoplanets in habitable areas discovered to date; this super Earth was detected with the help of the HARPS program at the La Silla Observatory in Chile in August 2011. This artist's impression shows the planet orbiting the Sun - like star HD 85512 in the southern constellation of Vela (The Sail). This planet is one of sixteen super - Earths discovered by the HARPS instrument on the 3.6 - metre telescope at Eso's La Silla Observatory. This planet, HD 85512b, is about 3.6 times as massive as the Earth and lies at the edge of the habitable zone around the star, where liquid water, and perhaps even life, could potentially exist

Miller, Ron (b.1947)

PIX4574012

My two other children are quite okay, only Shad is ill. Thalassaemia was detected when he was only four months old. None among our relatives has this disease. At first I couldnt bear his ailment, but now I am much stronger. I am fighting a battle round the clock to keep him well. Says Shads mother. Shad, aged 8 is affected by E-Beta Thalassaemia. Dhaka, Bangladesh. April 30, 2008. (photo)

My two other children are quite okay, only Shad is ill. Thalassaemia was detected when he was only four months old. None among our relatives has this disease. At first I couldnt bear his ailment, but now I am much stronger. I am fighting a battle round the clock to keep him well. Says Shads mother. Shad, aged 8 is affected by E-Beta Thalassaemia. Dhaka, Bangladesh. April 30, 2008. (photo)

UIG800995

Exoplanete HD 85512b - The rocky super - Earth HD 85512 b - HD 85512 b is an exoplanet orbiting around the star HD 85512, located about 36 years ago - light from Earth in the constellation of Sails. It is one of the smallest exoplanets in habitable areas discovered to date; this super Earth was detected with the help of the HARPS program at the La Silla Observatory in Chile in August 2011. This artist's impression shows the planet orbiting the Sun - like star HD 85512 in the southern constellation of Vela (The Sail). This planet is one of sixteen super - Earths discovered by the HARPS instrument on the 3.6 - metre telescope at Eso's La Silla Observatory. This planet, HD 85512b, is about 3.6 times as massive as the Earth and lies at the edge of the habitable zone around the star, where liquid water, and perhaps even life, could potentially exist

Exoplanete HD 85512b - The rocky super - Earth HD 85512 b - HD 85512 b is an exoplanet orbiting around the star HD 85512, located about 36 years ago - light from Earth in the constellation of Sails. It is one of the smallest exoplanets in habitable areas discovered to date; this super Earth was detected with the help of the HARPS program at the La Silla Observatory in Chile in August 2011. This artist's impression shows the planet orbiting the Sun - like star HD 85512 in the southern constellation of Vela (The Sail). This planet is one of sixteen super - Earths discovered by the HARPS instrument on the 3.6 - metre telescope at Eso's La Silla Observatory. This planet, HD 85512b, is about 3.6 times as massive as the Earth and lies at the edge of the habitable zone around the star, where liquid water, and perhaps even life, could potentially exist

PIX4573990

Exoplanete HD 85512b - The rocky super - Earth HD 85512 b - HD 85512 b is an exoplanet orbiting around the star HD 85512, located about 36 years ago - light from Earth in the constellation of Sails. It is one of the smallest exoplanets in habitable areas discovered to date; this super Earth was detected with the help of the HARPS program at the La Silla Observatory in Chile in August 2011. This artist's impression shows the planet orbiting the Sun - like star HD 85512 in the southern constellation of Vela (The Sail). This planet is one of sixteen super - Earths discovered by the HARPS instrument on the 3.6 - metre telescope at Eso's La Silla Observatory. This planet, HD 85512b, is about 3.6 times as massive as the Earth and lies at the edge of the habitable zone around the star, where liquid water, and perhaps even life, could potentially exist

Exoplanete HD 85512b - The rocky super - Earth HD 85512 b - HD 85512 b is an exoplanet orbiting around the star HD 85512, located about 36 years ago - light from Earth in the constellation of Sails. It is one of the smallest exoplanets in habitable areas discovered to date; this super Earth was detected with the help of the HARPS program at the La Silla Observatory in Chile in August 2011. This artist's impression shows the planet orbiting the Sun - like star HD 85512 in the southern constellation of Vela (The Sail). This planet is one of sixteen super - Earths discovered by the HARPS instrument on the 3.6 - metre telescope at Eso's La Silla Observatory. This planet, HD 85512b, is about 3.6 times as massive as the Earth and lies at the edge of the habitable zone around the star, where liquid water, and perhaps even life, could potentially exist

PIX4574021

Wilhelm Roentgen, German physicist, 1906

Wilhelm Roentgen, German physicist, 1906

UIS5072017

Glaciers under Martian crateres - Buried glaciers on Mars - Computer reconstructed views of three Martian crateres in the Hellas region that house glaciers. The images show the crateres as they appear today with a layer of Martian soil covering the ice with water and, on the right, the glaciers updated according to radar measurements obtained by the Mars Reconnaissance Orbiter probe (MRO). These glaciers would have a thickness of 250 to 450 meters. Each image covers 20 km wide. This computer graphic image shows three craters in the eastern Hellas region of Mars containing concealed glaciers detected by radar. The images shows how the surface looks today with the ice covered with a layer of Martian soil and what the ice may look like underneath. The image was created using image data from the Context Camera on the Mars Reconnaissance Orbiter (MRO) spacecraft combined with results from the SHARAD radar sounder on MRO and HRSC digital elevation map from the Mars Express spacecraft. The co

Glaciers under Martian crateres - Buried glaciers on Mars - Computer reconstructed views of three Martian crateres in the Hellas region that house glaciers. The images show the crateres as they appear today with a layer of Martian soil covering the ice with water and, on the right, the glaciers updated according to radar measurements obtained by the Mars Reconnaissance Orbiter probe (MRO). These glaciers would have a thickness of 250 to 450 meters. Each image covers 20 km wide. This computer graphic image shows three craters in the eastern Hellas region of Mars containing concealed glaciers detected by radar. The images shows how the surface looks today with the ice covered with a layer of Martian soil and what the ice may look like underneath. The image was created using image data from the Context Camera on the Mars Reconnaissance Orbiter (MRO) spacecraft combined with results from the SHARAD radar sounder on MRO and HRSC digital elevation map from the Mars Express spacecraft. The co

PIX4616544

Exoplanete HD 85512b - The rocky super - Earth HD 85512 b - HD 85512 b is an exoplanet orbiting around the star HD 85512, located about 36 years ago - light from Earth in the constellation of Sails. It is one of the smallest exoplanets in habitable areas discovered to date; this super Earth was detected with the help of the HARPS program at the La Silla Observatory in Chile in August 2011. This artist's impression shows the planet orbiting the Sun - like star HD 85512 in the southern constellation of Vela (The Sail). This planet is one of sixteen super - Earths discovered by the HARPS instrument on the 3.6 - metre telescope at Eso's La Silla Observatory. This planet, HD 85512b, is about 3.6 times as massive as the Earth and lies at the edge of the habitable zone around the star, where liquid water, and perhaps even life, could potentially exist

Exoplanete HD 85512b - The rocky super - Earth HD 85512 b - HD 85512 b is an exoplanet orbiting around the star HD 85512, located about 36 years ago - light from Earth in the constellation of Sails. It is one of the smallest exoplanets in habitable areas discovered to date; this super Earth was detected with the help of the HARPS program at the La Silla Observatory in Chile in August 2011. This artist's impression shows the planet orbiting the Sun - like star HD 85512 in the southern constellation of Vela (The Sail). This planet is one of sixteen super - Earths discovered by the HARPS instrument on the 3.6 - metre telescope at Eso's La Silla Observatory. This planet, HD 85512b, is about 3.6 times as massive as the Earth and lies at the edge of the habitable zone around the star, where liquid water, and perhaps even life, could potentially exist

PIX4573989

Exoplanete HD 85512b - The rocky super - Earth HD 85512 b - HD 85512 b is an exoplanet orbiting around the star HD 85512, located about 36 years ago - light from Earth in the constellation of Sails. It is one of the smallest exoplanets in habitable areas discovered to date; this super Earth was detected with the help of the HARPS program at the La Silla Observatory in Chile in August 2011. This artist's impression shows the planet orbiting the Sun - like star HD 85512 in the southern constellation of Vela (The Sail). This planet is one of sixteen super - Earths discovered by the HARPS instrument on the 3.6 - metre telescope at Eso's La Silla Observatory. This planet, HD 85512b, is about 3.6 times as massive as the Earth and lies at the edge of the habitable zone around the star, where liquid water, and perhaps even life, could potentially exist

Exoplanete HD 85512b - The rocky super - Earth HD 85512 b - HD 85512 b is an exoplanet orbiting around the star HD 85512, located about 36 years ago - light from Earth in the constellation of Sails. It is one of the smallest exoplanets in habitable areas discovered to date; this super Earth was detected with the help of the HARPS program at the La Silla Observatory in Chile in August 2011. This artist's impression shows the planet orbiting the Sun - like star HD 85512 in the southern constellation of Vela (The Sail). This planet is one of sixteen super - Earths discovered by the HARPS instrument on the 3.6 - metre telescope at Eso's La Silla Observatory. This planet, HD 85512b, is about 3.6 times as massive as the Earth and lies at the edge of the habitable zone around the star, where liquid water, and perhaps even life, could potentially exist

PIX4573980

Group portrait of 540 Sapper Arthur Findon Dunbar MM, 2nd Australian Tunnelling Company (in uniform with his arm resting on gate) and his family members gathered outside their house at 45 Chief Street, Brompton, SA, July - August 1919 (b/w photo)

Group portrait of 540 Sapper Arthur Findon Dunbar MM, 2nd Australian Tunnelling Company (in uniform with his arm resting on gate) and his family members gathered outside their house at 45 Chief Street, Brompton, SA, July - August 1919 (b/w photo)

Australian Photographer (20th century)

MEM1268283

Exoplanete SWEEPS-10: SWEEPS-10 is an exoplanet located towards the galactic center. This hot jupiter is one of the hottest exoplanets discovered to date with a temperature of 1650 degres. SWEEPS-10 is an extrasolar planet orbiting the star SWEPS J175902.00 291323.7 located in the Galactic bulge at a distance of approximately 22,000 light years from Earth. It completes an orbit of its star in just 10 hours, and is categorized as an ultra-short period planet (USPP). Located only 1.2 million kilometers from its star, the planet is among the hottest ever detected; its estimated temperature is approximately 1,650 degrees Celsius. This planet must be at least 1.6 times the mass of Jupiter. This illustration presents a purely speculative view of what such a “” hot Jupiter”” might look like. It could have a powerful magnetic field that traps charged particles from the star. These particles create glowing auroral rings around the planet's magnetic poles

Exoplanete SWEEPS-10: SWEEPS-10 is an exoplanet located towards the galactic center. This hot jupiter is one of the hottest exoplanets discovered to date with a temperature of 1650 degres. SWEEPS-10 is an extrasolar planet orbiting the star SWEPS J175902.00 291323.7 located in the Galactic bulge at a distance of approximately 22,000 light years from Earth. It completes an orbit of its star in just 10 hours, and is categorized as an ultra-short period planet (USPP). Located only 1.2 million kilometers from its star, the planet is among the hottest ever detected; its estimated temperature is approximately 1,650 degrees Celsius. This planet must be at least 1.6 times the mass of Jupiter. This illustration presents a purely speculative view of what such a “” hot Jupiter”” might look like. It could have a powerful magnetic field that traps charged particles from the star. These particles create glowing auroral rings around the planet's magnetic poles

PIX4608319

MIKA HAKKINEN CELEBRATES HIS WIN IN SPIELBERG, 2000-07-16 (photo)

MIKA HAKKINEN CELEBRATES HIS WIN IN SPIELBERG, 2000-07-16 (photo)

REU7992228

Astronauts on Titan - Illustration - Releasing a weather balloon on Titan - Astronauts make meteorological measurements on the surface of Titan. A titanian explorer prepares to release a weather balloon while another direct a flood lamp to illuminate the activity. On the left is a supply cart with a portable weather station, featuring an interactive control panel designed to accommodate hands enclosed in thick gloves. All exposed hardware would have to function at temperatures of minus 300* F and below. With an atmosphere 10 times denser than the Earth's, weather would be of keen interest to Titan's visitors. High in Titan's atmosphere wind velocities in excess of 400 mph have been detected. While not much is known about winds and weather at Triton's surface, terrain features resembling dune fields have been observed, suggesting surface winds have occurred at some locations. Fogs of methane gas would likely be present at the surface as well

Astronauts on Titan - Illustration - Releasing a weather balloon on Titan - Astronauts make meteorological measurements on the surface of Titan. A titanian explorer prepares to release a weather balloon while another direct a flood lamp to illuminate the activity. On the left is a supply cart with a portable weather station, featuring an interactive control panel designed to accommodate hands enclosed in thick gloves. All exposed hardware would have to function at temperatures of minus 300* F and below. With an atmosphere 10 times denser than the Earth's, weather would be of keen interest to Titan's visitors. High in Titan's atmosphere wind velocities in excess of 400 mph have been detected. While not much is known about winds and weather at Triton's surface, terrain features resembling dune fields have been observed, suggesting surface winds have occurred at some locations. Fogs of methane gas would likely be present at the surface as well

Walter B Myers

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

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

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Titan Exploration - Illustration - Exploring a hydrocarbon swamp on Titan - Automatic balloons fly over an oil marsh on the surface of Titan. A pair of balloon - borne probes leisurely survey a methane - ethane “” swamp”” on Titan. Each probe carries its own spot light illuminating the terrain below, augmenting the haze - filtered sunlight. Scientists have long speculated that methane and ethane may exist as liquids on Titan's extremely cold surface, but it wasn't until 2005 that the Cassini spacecraft's radar imager detected what indeed may be large hydrocarbon lakes on Titan's northern latitudes. While it is believed that the liquid in these lakes would be primarily methane and ethane, this won't be confirmed until the lakes - - if that's indeed what they are - - are actually sampled. Whatever lies on Titan's surface, there is the possibility that the ancient and exotic environment has given rise to compounds heretofore unknown on Earth. Large quantities of Methane and ethane exist i

Titan Exploration - Illustration - Exploring a hydrocarbon swamp on Titan - Automatic balloons fly over an oil marsh on the surface of Titan. A pair of balloon - borne probes leisurely survey a methane - ethane “” swamp”” on Titan. Each probe carries its own spot light illuminating the terrain below, augmenting the haze - filtered sunlight. Scientists have long speculated that methane and ethane may exist as liquids on Titan's extremely cold surface, but it wasn't until 2005 that the Cassini spacecraft's radar imager detected what indeed may be large hydrocarbon lakes on Titan's northern latitudes. While it is believed that the liquid in these lakes would be primarily methane and ethane, this won't be confirmed until the lakes - - if that's indeed what they are - - are actually sampled. Whatever lies on Titan's surface, there is the possibility that the ancient and exotic environment has given rise to compounds heretofore unknown on Earth. Large quantities of Methane and ethane exist i

Walter B Myers

PIX4626117

Exoplanete Gliese 667 Cb - The system Gliese 667 (Artist's impression) - Gliese 667 Cb is an exoplanet orbiting the star Gliese 667 C, located about 23 years ago - light from Earth in the constellation of the scorpion. This super Earth was detected using the HARPS program at the La Silla Observatory in Chile in October 2009. On 19 October 2009, the team who built the High Accuracy Radial Velocity Planet Searcher, better known as HARPS, the spectrograph for ESO's 3.6 - metre telescope, reported on the incredible discovery of some 32 new exoplanets, cementing Harps's position as the world's foremost exoplanet hunter. One of these is surrounding the star Gliese 667 C, which belongs to a triple system. The 6 Earth - mass exoplanet circulates around its low - mass host star at a distance equal to only 1/20th of the Earth - Sun distance. The host star is a companion to two other low - mass stars, which are seen here in the distance

Exoplanete Gliese 667 Cb - The system Gliese 667 (Artist's impression) - Gliese 667 Cb is an exoplanet orbiting the star Gliese 667 C, located about 23 years ago - light from Earth in the constellation of the scorpion. This super Earth was detected using the HARPS program at the La Silla Observatory in Chile in October 2009. On 19 October 2009, the team who built the High Accuracy Radial Velocity Planet Searcher, better known as HARPS, the spectrograph for ESO's 3.6 - metre telescope, reported on the incredible discovery of some 32 new exoplanets, cementing Harps's position as the world's foremost exoplanet hunter. One of these is surrounding the star Gliese 667 C, which belongs to a triple system. The 6 Earth - mass exoplanet circulates around its low - mass host star at a distance equal to only 1/20th of the Earth - Sun distance. The host star is a companion to two other low - mass stars, which are seen here in the distance

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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

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Spiral galaxy of the Sombrero M104 infrared view - Sombrero galaxy seen in infrared - Infrared image of the spiral galaxy M104 (Sombrero galaxy), located about 28 million years ago - light, obtained with the Spitzer space telescope in 2004 and January 2005. Infrared radiation shows the dust of the disc visible throughout the circumference. A high emission also comes from the center of the galaxy where a supermassive black hole is thought to reside there. This spiral galaxy is located some 28 million light - years away. The infrared image obtained by Spitzer space telescope in 2004 and 2005 pierces through the obscuring dust, along with the bulge of stars. It shows that the disk is warped, which is often the result of a gravitational encounter with another galaxy; clumpy areas spotted in the far edges of the ring indicate young star - forming regions. Spitzer detected infrared emission not only from the ring, but from the center of the galaxy too, where there is a huge black hole, belie

Spiral galaxy of the Sombrero M104 infrared view - Sombrero galaxy seen in infrared - Infrared image of the spiral galaxy M104 (Sombrero galaxy), located about 28 million years ago - light, obtained with the Spitzer space telescope in 2004 and January 2005. Infrared radiation shows the dust of the disc visible throughout the circumference. A high emission also comes from the center of the galaxy where a supermassive black hole is thought to reside there. This spiral galaxy is located some 28 million light - years away. The infrared image obtained by Spitzer space telescope in 2004 and 2005 pierces through the obscuring dust, along with the bulge of stars. It shows that the disk is warped, which is often the result of a gravitational encounter with another galaxy; clumpy areas spotted in the far edges of the ring indicate young star - forming regions. Spitzer detected infrared emission not only from the ring, but from the center of the galaxy too, where there is a huge black hole, belie

PIX4611595

Underground nuclear explosive detonated at Urta-Bulak gas field, Bukhara, Uzbekistan, 1966

Underground nuclear explosive detonated at Urta-Bulak gas field, Bukhara, Uzbekistan, 1966

TME3619044

Spiral galaxy NGC 300 in the Sculptor - Galaxy NGC 300 in Sculptor - Located about 7 million years ago - light from Earth, the spiral galaxy NGC 300 belongs to the Sculptor's group. It appears to us as a great object in the sky since its apparent diameter is almost that of the full moon. This photo made by the Hubble space telesope in 2002 shows the central part of the galaxy and reveals myriad stars. NGC 300 is a spiral galaxy similar to our own Milky Way galaxy. It is a member of a nearby group of galaxies known as the Sculptor group, named for the southern constellation where the group can be found. The distance to NGC 300 is 6.5 million light - years, making it one of the Milky Way's closer neighbors. At this distance, only the brightest stars can be picked out from ground - based images. With a resolution some 10 times better than ground - based telescopes, Hubble's Advanced Camera for Surveys (ACS) resolves many more stars in this galaxy than can be detected from the ground

Spiral galaxy NGC 300 in the Sculptor - Galaxy NGC 300 in Sculptor - Located about 7 million years ago - light from Earth, the spiral galaxy NGC 300 belongs to the Sculptor's group. It appears to us as a great object in the sky since its apparent diameter is almost that of the full moon. This photo made by the Hubble space telesope in 2002 shows the central part of the galaxy and reveals myriad stars. NGC 300 is a spiral galaxy similar to our own Milky Way galaxy. It is a member of a nearby group of galaxies known as the Sculptor group, named for the southern constellation where the group can be found. The distance to NGC 300 is 6.5 million light - years, making it one of the Milky Way's closer neighbors. At this distance, only the brightest stars can be picked out from ground - based images. With a resolution some 10 times better than ground - based telescopes, Hubble's Advanced Camera for Surveys (ACS) resolves many more stars in this galaxy than can be detected from the ground

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Neptune - Voyager 2 - Image of the Great Dark Spot on Neptune obtained by the Voyager 2 probe on August 23, 1989. The Great Dark Spot is the size of the Earth and winds are blowing at 300 m/s. This spot has now disappeared but other dark spots have been detected since then. Date: 08/23/89 Range: 2.8 million km. (1.7 million miles) Smallest Resolvable Feature: 50 km or 31 miles This Voyager 2 image shows the last face on view of the Great Dark Spot that Voyager 2 will take with the narrow angle camera. It was made 45 hours before the closest approach to Neptune. the image shows feathery white clouds that overlie the boundary of the dark and light blue regions. the pinwheel (spiral) structure of both the dark boundary and the white cirrus suggest a storm system rotating counterclockwise. Periodic, small - scale patterns in the white clouds, possibly waves, are short - lived and do not persist from one Neptunian rotation to the next. This color composite was made from the clear and green

Neptune - Voyager 2 - Image of the Great Dark Spot on Neptune obtained by the Voyager 2 probe on August 23, 1989. The Great Dark Spot is the size of the Earth and winds are blowing at 300 m/s. This spot has now disappeared but other dark spots have been detected since then. Date: 08/23/89 Range: 2.8 million km. (1.7 million miles) Smallest Resolvable Feature: 50 km or 31 miles This Voyager 2 image shows the last face on view of the Great Dark Spot that Voyager 2 will take with the narrow angle camera. It was made 45 hours before the closest approach to Neptune. the image shows feathery white clouds that overlie the boundary of the dark and light blue regions. the pinwheel (spiral) structure of both the dark boundary and the white cirrus suggest a storm system rotating counterclockwise. Periodic, small - scale patterns in the white clouds, possibly waves, are short - lived and do not persist from one Neptunian rotation to the next. This color composite was made from the clear and green

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Uranus and three satellites seen by Voyager 2 - Image obtained by the Voyager 2 probe in January 1986 showing the planet Uranus accompanied by the satellites Ariel (top right), Miranda (closest to the planet) and Umbriel (bottom left). This Voyager photograph of Uranus taken in january 1986 is a composite of for images taken by the narrow angle camera. At this range, clouds and other features in the atmosphere as small as 1,370 km. could be detected by Voyager 2. Yet, no such features are visible. This view is toward the illuminated south pole of Uranus. The predominant blue color is the result of atmospheric methane, which absorbs the red wavelengths from incoming sunlight. The spot at the upper left edge of the planet's disk reulted from the removal of a network mark used in making measurments on the photograph. Three of Uranus' five known satellites are visible; Miranda (at far right, closest to the planet), Ariel (next out, at top), and Umbriel (lower left). Titania and Oberon are

Uranus and three satellites seen by Voyager 2 - Image obtained by the Voyager 2 probe in January 1986 showing the planet Uranus accompanied by the satellites Ariel (top right), Miranda (closest to the planet) and Umbriel (bottom left). This Voyager photograph of Uranus taken in january 1986 is a composite of for images taken by the narrow angle camera. At this range, clouds and other features in the atmosphere as small as 1,370 km. could be detected by Voyager 2. Yet, no such features are visible. This view is toward the illuminated south pole of Uranus. The predominant blue color is the result of atmospheric methane, which absorbs the red wavelengths from incoming sunlight. The spot at the upper left edge of the planet's disk reulted from the removal of a network mark used in making measurments on the photograph. Three of Uranus' five known satellites are visible; Miranda (at far right, closest to the planet), Ariel (next out, at top), and Umbriel (lower left). Titania and Oberon are

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Interacting galaxies NGC 454 - Interacting galaxies NGC 454 - NGC 454 is located about 164 million light years away from Earth in the southern constellation of Phenix. This pair of interacting galaxies consists of a large elliptical galaxy and an irregular galaxy. The fusion process between the two galaxies is still in its early stages and no sign of star formation caused by this interaction has been detected. Image obtained by the Hubble Space Telescope on 6 March 1997. NGC 454 is galaxy pair comprising a large red elliptical galaxy and an irregular gas - rich blue galaxy. The system is in the early stages of an interaction that has severely distorted both components. The three bright blue knots of very young stars to the left of the two main components are probably part of the irregular blue galaxy. Although the dust lanes that stretch all the way to the center of the elliptical galaxy suggest that gas has penetrated that far, no signs of star formation or nuclear activity are visibl

Interacting galaxies NGC 454 - Interacting galaxies NGC 454 - NGC 454 is located about 164 million light years away from Earth in the southern constellation of Phenix. This pair of interacting galaxies consists of a large elliptical galaxy and an irregular galaxy. The fusion process between the two galaxies is still in its early stages and no sign of star formation caused by this interaction has been detected. Image obtained by the Hubble Space Telescope on 6 March 1997. NGC 454 is galaxy pair comprising a large red elliptical galaxy and an irregular gas - rich blue galaxy. The system is in the early stages of an interaction that has severely distorted both components. The three bright blue knots of very young stars to the left of the two main components are probably part of the irregular blue galaxy. Although the dust lanes that stretch all the way to the center of the elliptical galaxy suggest that gas has penetrated that far, no signs of star formation or nuclear activity are visibl

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Sombrero M104 Spiral Galaxy - Visible Composite - Infrared - The Sombrero galaxy. Composite of visible and infrared views - Composite image of the spiral galaxy M104 (Sombrero galaxy), located about 28 million years ago - light. Infrared image obtained with the Spitzer space telescope in 2004 and January 2005 superimposed on the image made by the Hubble space telescope visible in May and June 2003. The dark band of girders in this galaxy is visible throughout the circumference. Composite image of a visible image and an infrared image of the galaxy M104. The visible image was obtained by the Hubble space telescope in 2003, the infrared view by Spitzer telescope in 2004 and 2005. This spiral galaxy is located some 28 million light - years away. The infrared image obtained by Spitzer space telescope pierces through the obscuring dust, along with the bulge of stars. It shows that the disk is warped, which is often the result of a gravitational encounter with another galaxy; clumpy areas sp

Sombrero M104 Spiral Galaxy - Visible Composite - Infrared - The Sombrero galaxy. Composite of visible and infrared views - Composite image of the spiral galaxy M104 (Sombrero galaxy), located about 28 million years ago - light. Infrared image obtained with the Spitzer space telescope in 2004 and January 2005 superimposed on the image made by the Hubble space telescope visible in May and June 2003. The dark band of girders in this galaxy is visible throughout the circumference. Composite image of a visible image and an infrared image of the galaxy M104. The visible image was obtained by the Hubble space telescope in 2003, the infrared view by Spitzer telescope in 2004 and 2005. This spiral galaxy is located some 28 million light - years away. The infrared image obtained by Spitzer space telescope pierces through the obscuring dust, along with the bulge of stars. It shows that the disk is warped, which is often the result of a gravitational encounter with another galaxy; clumpy areas sp

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Futuristic advertising poster for tourism on Trappist-1e - Illustration - Futuristic Advert for tourism on Trappist-1e - Illustration: Advertising promoting tourism on Trappist-1e. This exoplanet is orbiting in the habitable zone of the star system TRAPPIST-1, a red dwarf star located at a distance of about 40 light years from the Sun in the constellation Aquarius. At least seven exoplanets the size of the Earth orbit this star. Some 40 light-years from Earth, a planet called Trappist-1e offers a heart-stopping view: brilliant objects in a red sky, looming like larger and smaller versions of our own moon. But these are no moons. They are Earth-sized planets in a spectacular planetary system outside our own. These seven rocky worlds huddle around their small, dim, red star, like a family around a campfire. Any of them could harbor liquid water, but the planet shown here, fourth from the TRAPPIST-1 star, is in the habitable zone, the area around the star where liquid water is most likely

Futuristic advertising poster for tourism on Trappist-1e - Illustration - Futuristic Advert for tourism on Trappist-1e - Illustration: Advertising promoting tourism on Trappist-1e. This exoplanet is orbiting in the habitable zone of the star system TRAPPIST-1, a red dwarf star located at a distance of about 40 light years from the Sun in the constellation Aquarius. At least seven exoplanets the size of the Earth orbit this star. Some 40 light-years from Earth, a planet called Trappist-1e offers a heart-stopping view: brilliant objects in a red sky, looming like larger and smaller versions of our own moon. But these are no moons. They are Earth-sized planets in a spectacular planetary system outside our own. These seven rocky worlds huddle around their small, dim, red star, like a family around a campfire. Any of them could harbor liquid water, but the planet shown here, fourth from the TRAPPIST-1 star, is in the habitable zone, the area around the star where liquid water is most likely

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M87 elliptical galaxy in Virgo - M87 elliptical galaxy in Virgo - The M87 galaxy (NGC 4486) is located about 60 million years ago - light from Earth, in the heart of the Virgin's cluster. M87 is the brightest radio source in the constellation, it is also called Virgo A. Image made with Siding Spring's 3.9m telescope. Messier 87 (NGC 4486) lies near the centre of the nearby cluster of galaxies in Virgo at a distance of about 60 million light years. Although the physical boundaries of elliptical galaxies are not well defined, their mass can be, and by any standards M87 is enormous. It contains several thousand billion stars. Associated with this giant galaxy are large numbers of globular clusters, visible in this photograph as the cloud of slightly fuzzy objects around it. Like all ellipticals, M 87 is composed mainly of old stars and is largely devoid of the materials needed to make new ones. The galaxy is not inert however; high energy X - rays have been detected from an extensive oute

M87 elliptical galaxy in Virgo - M87 elliptical galaxy in Virgo - The M87 galaxy (NGC 4486) is located about 60 million years ago - light from Earth, in the heart of the Virgin's cluster. M87 is the brightest radio source in the constellation, it is also called Virgo A. Image made with Siding Spring's 3.9m telescope. Messier 87 (NGC 4486) lies near the centre of the nearby cluster of galaxies in Virgo at a distance of about 60 million light years. Although the physical boundaries of elliptical galaxies are not well defined, their mass can be, and by any standards M87 is enormous. It contains several thousand billion stars. Associated with this giant galaxy are large numbers of globular clusters, visible in this photograph as the cloud of slightly fuzzy objects around it. Like all ellipticals, M 87 is composed mainly of old stars and is largely devoid of the materials needed to make new ones. The galaxy is not inert however; high energy X - rays have been detected from an extensive oute

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

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

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Star Formation in the Southern Cross - Star Formation in the Southern Cross - Part of the lactee route in the constellation of the Southern Cross seen in infrared by the Herschel space telescope. The hottest dust appears in blue, the coldest ones appear in red, the new stars will be born. Composite images obtained by SPIRE and PACS instruments on September 3, 2009. Some of the coldest and darkest dust in space shines brightly in this infrared image from the Herschel Observatory, a European Space Agency mission with important participation from NASA. The image is a composite of light captured simultaneously by two of Herschel's three instruments - - the photodetector array camera and spectrometer, and its spectral and photometric imaging receiver. The image reveals a cold and turbulent region where material is just beginning to condense into new stars. It is located in the plane of our Milky Way galaxy, 60 degrees from the center. Blue shows warmer material, red the coolest. The red fil

Star Formation in the Southern Cross - Star Formation in the Southern Cross - Part of the lactee route in the constellation of the Southern Cross seen in infrared by the Herschel space telescope. The hottest dust appears in blue, the coldest ones appear in red, the new stars will be born. Composite images obtained by SPIRE and PACS instruments on September 3, 2009. Some of the coldest and darkest dust in space shines brightly in this infrared image from the Herschel Observatory, a European Space Agency mission with important participation from NASA. The image is a composite of light captured simultaneously by two of Herschel's three instruments - - the photodetector array camera and spectrometer, and its spectral and photometric imaging receiver. The image reveals a cold and turbulent region where material is just beginning to condense into new stars. It is located in the plane of our Milky Way galaxy, 60 degrees from the center. Blue shows warmer material, red the coolest. The red fil

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Neptune - Voyager 2 - Neptune has an equatorial diameter of about 49,000 kilometres. Its blue color is due to the abundance of methane in its atmosphere. On this photo, on the left, the Great Dark Spot, which is the size of the Earth where winds are blowing at 300 m/s. This spot has now disappeared but other dark spots have been detected since then. Image of Neptune obtained by the Voyager 2 probe on August 16, 1989. During August 16 and 17, 1989, the Voyager 2 narrow - angle camera was used to photograph Neptune almost continuously, recording approximately two and one - half rotations of the planet. These images represent the most complete set of full disk Neptune images that the spacecraft will acquire. This picture from the sequence shows two of the four cloud features which have been tracked by the Voyager cameras during the past two months. The large dark oval near the western limb (the left edge) is at a latitude of 22 degrees south and circuits Neptune every 18.3 hours. The brig

Neptune - Voyager 2 - Neptune has an equatorial diameter of about 49,000 kilometres. Its blue color is due to the abundance of methane in its atmosphere. On this photo, on the left, the Great Dark Spot, which is the size of the Earth where winds are blowing at 300 m/s. This spot has now disappeared but other dark spots have been detected since then. Image of Neptune obtained by the Voyager 2 probe on August 16, 1989. During August 16 and 17, 1989, the Voyager 2 narrow - angle camera was used to photograph Neptune almost continuously, recording approximately two and one - half rotations of the planet. These images represent the most complete set of full disk Neptune images that the spacecraft will acquire. This picture from the sequence shows two of the four cloud features which have been tracked by the Voyager cameras during the past two months. The large dark oval near the western limb (the left edge) is at a latitude of 22 degrees south and circuits Neptune every 18.3 hours. The brig

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Neptune - Voyager 2 - Image of Neptune obtained by the Voyager 2 probe on August 14, 1989 at 14.8 million km from the planet. Neptune has an equatorial diameter of about 49,000 kilometres. Its blue color is due to the abundance of methane in its atmosphere. On this photo, on the right, the Great Dark Spot, which is the size of the Earth where winds are blowing at 300 m/s. This spot has now disappeared but other dark spots have been detected since then. This contrast enhanced color photograph of Neptune was produced from images taken through the orange, green, and violet filters of the narrow angle camera. As Voyager 2 approaches Neptune, rapidly increasing image resolution is revealing striking new details in the planet's atmosphere, and this picture shows features as small as a few hundred kilometers in extent. Bright, wispy “” cirrus - type”” clouds are seen overlying the Great Dark Spot (GDS) at its southern (lower) margin and over its northwest (upper left) boundary. This is the fi

Neptune - Voyager 2 - Image of Neptune obtained by the Voyager 2 probe on August 14, 1989 at 14.8 million km from the planet. Neptune has an equatorial diameter of about 49,000 kilometres. Its blue color is due to the abundance of methane in its atmosphere. On this photo, on the right, the Great Dark Spot, which is the size of the Earth where winds are blowing at 300 m/s. This spot has now disappeared but other dark spots have been detected since then. This contrast enhanced color photograph of Neptune was produced from images taken through the orange, green, and violet filters of the narrow angle camera. As Voyager 2 approaches Neptune, rapidly increasing image resolution is revealing striking new details in the planet's atmosphere, and this picture shows features as small as a few hundred kilometers in extent. Bright, wispy “” cirrus - type”” clouds are seen overlying the Great Dark Spot (GDS) at its southern (lower) margin and over its northwest (upper left) boundary. This is the fi

PIX4622776

Star HD 189733 and nebula planetary Dumbbell (M27) - A star field with HD 189733 and Dumbell nebula - Image centree on the star HD 189733 located 63 years ago - light in the constellation Petite Fox. Astronomers discovered around this star an exoplanet (HD 189733b). This gas planet a little bigger than Jupiter is very close to its star; this type of planet is called hot Jupiter. We detected the presence of mists in his atmosphere. To the right of this star is the planetary nebula Dumbbell (M27) located about 1400 years from Earth. A planetary nebula is a gas shell from a small late-life star whose heart collapsed to become a white dwarf and expelled the outer layers of its matter. A star field image showing the star HD 189733 (centre) with Dumbell nebula. Orbiting close to its parent star, is an extrasolar planet, HD 189733b, a 'hot - Jupiter' type of gas giant slightly larger than Jupiter. The observations provide clear evidence of the presence of hazes in its atmosphere. To the right

Star HD 189733 and nebula planetary Dumbbell (M27) - A star field with HD 189733 and Dumbell nebula - Image centree on the star HD 189733 located 63 years ago - light in the constellation Petite Fox. Astronomers discovered around this star an exoplanet (HD 189733b). This gas planet a little bigger than Jupiter is very close to its star; this type of planet is called hot Jupiter. We detected the presence of mists in his atmosphere. To the right of this star is the planetary nebula Dumbbell (M27) located about 1400 years from Earth. A planetary nebula is a gas shell from a small late-life star whose heart collapsed to become a white dwarf and expelled the outer layers of its matter. A star field image showing the star HD 189733 (centre) with Dumbell nebula. Orbiting close to its parent star, is an extrasolar planet, HD 189733b, a 'hot - Jupiter' type of gas giant slightly larger than Jupiter. The observations provide clear evidence of the presence of hazes in its atmosphere. To the right

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Group of diamond jewels (photo)

Group of diamond jewels (photo)

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Twenty-five-year-old housewife Lipi and her child lying on the non-paying sick bed at NIDCH, Mohakhali, Dhaka. Lipi, a mother of 3, has been ill for the last nine months and was detected a TB patient by a local private practitioner three months ago. She was admitted to the hospital on May 22, 2005. Both Lipi and her husband were unaware of TB and its treatment. Two of her children are having exams and so, she keeps the youngest one with her. However, she did not send her children to be tested for TB. Dhaka, Bangladesh. August 07, 2005. Bangladesh ranks fifth among the worlds 22 highest burden TB countries. Every year around 300,000 new TB cases are filed and almost 70, 0000 die of it. Reportedly, 54 per cent of them do not get any treatment at all. (photo)

Twenty-five-year-old housewife Lipi and her child lying on the non-paying sick bed at NIDCH, Mohakhali, Dhaka. Lipi, a mother of 3, has been ill for the last nine months and was detected a TB patient by a local private practitioner three months ago. She was admitted to the hospital on May 22, 2005. Both Lipi and her husband were unaware of TB and its treatment. Two of her children are having exams and so, she keeps the youngest one with her. However, she did not send her children to be tested for TB. Dhaka, Bangladesh. August 07, 2005. Bangladesh ranks fifth among the worlds 22 highest burden TB countries. Every year around 300,000 new TB cases are filed and almost 70, 0000 die of it. Reportedly, 54 per cent of them do not get any treatment at all. (photo)

UIG797655

Artist's impression of sunset on the super - Earth world Gliese 667 Cc - This artist's view represents a sunset seen from Super Earth Gliese 667Cc. The brightest star in the sky is the red dwarf Gliese 667 C, which is part of a triple star system. The other two more distant stars, Gliese 667 A and B also appear right in the sky. Gliese 667 Cc is an exoplanet orbiting the star Gliese 667 C, located about 23 years from Earth in the constellation of the scorpion. This super Earth was detected using the HARPS program at the La Silla Observatory in Chile in October 2009. This artist's impression shows a sunset seen from the super - Earth Gliese 667 Cc. The brightest star in the sky is the red dwarf Gliese 667 C, which is part of a triple star system. The other two more distant stars, Gliese 667 A and B appear in the sky also to the right. On 19 October 2009, the team who built the High Accuracy Radial Velocity Planet Searcher, better known as HARPS, the spectrograph for ESO's 3.6 - metre te

Artist's impression of sunset on the super - Earth world Gliese 667 Cc - This artist's view represents a sunset seen from Super Earth Gliese 667Cc. The brightest star in the sky is the red dwarf Gliese 667 C, which is part of a triple star system. The other two more distant stars, Gliese 667 A and B also appear right in the sky. Gliese 667 Cc is an exoplanet orbiting the star Gliese 667 C, located about 23 years from Earth in the constellation of the scorpion. This super Earth was detected using the HARPS program at the La Silla Observatory in Chile in October 2009. This artist's impression shows a sunset seen from the super - Earth Gliese 667 Cc. The brightest star in the sky is the red dwarf Gliese 667 C, which is part of a triple star system. The other two more distant stars, Gliese 667 A and B appear in the sky also to the right. On 19 October 2009, the team who built the High Accuracy Radial Velocity Planet Searcher, better known as HARPS, the spectrograph for ESO's 3.6 - metre te

PIX4573998

ETNA (Sicily) - seen by Aqua 28/10/2002 - 28/10/2002 The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite captured this true - color image of the ongoing eruption of Europe's largest and most active volcano, Mt. Etna, on the island of Sicily. The volcano's thermal signature was detected by MODIS and is marked with a red overlay. On the northern slopes of the volcano, the thermal signature is possibly a second lava flow. A dense plume of what is likely ash and smoke is streaming southward from the volcano and out over the Mediterranean Sea. According to news reports, at least two lava flows were still streaming down the summit's flanks as of Monday, October 28, but the flows had not come far enough down the mountain to affect any towns or villages. The lava did topple some ski resort facilities and power lines. Regional airports were closed when the ash and smoke decreased visibility to unsafe levels. Etna is one of the most studied volcanoes on Earth, and

ETNA (Sicily) - seen by Aqua 28/10/2002 - 28/10/2002 The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite captured this true - color image of the ongoing eruption of Europe's largest and most active volcano, Mt. Etna, on the island of Sicily. The volcano's thermal signature was detected by MODIS and is marked with a red overlay. On the northern slopes of the volcano, the thermal signature is possibly a second lava flow. A dense plume of what is likely ash and smoke is streaming southward from the volcano and out over the Mediterranean Sea. According to news reports, at least two lava flows were still streaming down the summit's flanks as of Monday, October 28, but the flows had not come far enough down the mountain to affect any towns or villages. The lava did topple some ski resort facilities and power lines. Regional airports were closed when the ash and smoke decreased visibility to unsafe levels. Etna is one of the most studied volcanoes on Earth, and

PIX4667288

Remnants of Supernova Tycho in X in Cassiopee - Tycho's Supernova Remnant: Chandra's View of Tycho's Supernova Remnant This Chandra image reveals fascinating details of the turbulent debris created by a supernova explosion that was observed by the Danish astronomer Tycho Brahe in the year 1572. The colors show different X - ray energies, with red, green, and blue representing low, medium and high energies, respectively. The image is cut off at the bottom because the southernmost region of the remnant fell outside the field of view of the detector. A shock wave produced by the expanding debris is outlined by the strikingly sharp blue circular arcs of twenty million degree Celsius gas seen on the outer rim. The stellar debris, which has a temperature of about ten million degrees and is visible only in X - rays, shows up as mottled yellow, green and red fingers of gas. Tycho's supernova remnant presents several interesting contrasts with the Cassiopeia A (Cas A) supernova remnant. The deb

Remnants of Supernova Tycho in X in Cassiopee - Tycho's Supernova Remnant: Chandra's View of Tycho's Supernova Remnant This Chandra image reveals fascinating details of the turbulent debris created by a supernova explosion that was observed by the Danish astronomer Tycho Brahe in the year 1572. The colors show different X - ray energies, with red, green, and blue representing low, medium and high energies, respectively. The image is cut off at the bottom because the southernmost region of the remnant fell outside the field of view of the detector. A shock wave produced by the expanding debris is outlined by the strikingly sharp blue circular arcs of twenty million degree Celsius gas seen on the outer rim. The stellar debris, which has a temperature of about ten million degrees and is visible only in X - rays, shows up as mottled yellow, green and red fingers of gas. Tycho's supernova remnant presents several interesting contrasts with the Cassiopeia A (Cas A) supernova remnant. The deb

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Star Vega in the Lyre - Star Vega in infrared - Vega (Alpha Lyrae) is the main star of the constellation Lyra, located only 25.4 light years from the Sun. It is the second brightest star after Sirius in the northern hemisphere. It's seen here in infrared by the Spitzer space telescope. Observed in this wavelength, the dust cloud surrounding the star appears. Nasa's Spitzer Space Telescope captured these images of the star Vega, located 25 light years away in the constellation Lyra. Spitzer was able to detect the heat radiation from the cloud of dust around the star and found that the debris disk is much larger than previously thought. This side - by - side comparison, taken by Spitzer's multiband imaging photometer, shows the warm infrared glows from dust particles orbiting the star at wavelengths of 24 microns (on the left in blue) and 70 microns (on the right in red). Both images show a very large, circular and smooth debris disk. The disk radius extends to at least 815 astronomical

Star Vega in the Lyre - Star Vega in infrared - Vega (Alpha Lyrae) is the main star of the constellation Lyra, located only 25.4 light years from the Sun. It is the second brightest star after Sirius in the northern hemisphere. It's seen here in infrared by the Spitzer space telescope. Observed in this wavelength, the dust cloud surrounding the star appears. Nasa's Spitzer Space Telescope captured these images of the star Vega, located 25 light years away in the constellation Lyra. Spitzer was able to detect the heat radiation from the cloud of dust around the star and found that the debris disk is much larger than previously thought. This side - by - side comparison, taken by Spitzer's multiband imaging photometer, shows the warm infrared glows from dust particles orbiting the star at wavelengths of 24 microns (on the left in blue) and 70 microns (on the right in red). Both images show a very large, circular and smooth debris disk. The disk radius extends to at least 815 astronomical

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Markarian Galaxy 817 - Galaxy Markarian 817 - The spiral galaxy Markarian 817 is located 430 million light years ago in the constellation Dragon. This galaxy houses in its heart a supermassive black hole. Image obtained by the Hubble Space Telescope on August 2, 2009. Rings of brilliant blue stars encircle the bright, active core of this spiral galaxy, whose monster black hole is blasting material into space at over 14 million kilometers per hour. Viewed nearly face - on, the galaxy, called Markarian 817, shows intense star - forming regions and dark bands of interstellar dust along its spiral arms. Observations by the new Cosmic Origins Spectrograph (COS) aboard the NASA/ESA Hubble Space Telescope captured the powerful outflow of material from this galaxy. The COS spectrum of Markarian 817 highlights the outflow's dynamic nature. A gas cloud containing hydrogen that was detected in Hubble data taken in 1997 does not appear in the COS observation because the cloud has apparently been d

Markarian Galaxy 817 - Galaxy Markarian 817 - The spiral galaxy Markarian 817 is located 430 million light years ago in the constellation Dragon. This galaxy houses in its heart a supermassive black hole. Image obtained by the Hubble Space Telescope on August 2, 2009. Rings of brilliant blue stars encircle the bright, active core of this spiral galaxy, whose monster black hole is blasting material into space at over 14 million kilometers per hour. Viewed nearly face - on, the galaxy, called Markarian 817, shows intense star - forming regions and dark bands of interstellar dust along its spiral arms. Observations by the new Cosmic Origins Spectrograph (COS) aboard the NASA/ESA Hubble Space Telescope captured the powerful outflow of material from this galaxy. The COS spectrum of Markarian 817 highlights the outflow's dynamic nature. A gas cloud containing hydrogen that was detected in Hubble data taken in 1997 does not appear in the COS observation because the cloud has apparently been d

PIX4613665

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

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

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Nebulae IC 2948 and 2944 in Centaur - A large southern emission nebula, IC 2948 - Nebula IC 2948 is a vast nebula located about 6000 years from Earth in the southern constellation of Centaur. It is associated with the cluster of stars IC 2944 near which Bok's blood cells are visible. A Bok's blood cell is a dark interstellar cloud of gases and dust that absorb light. If it condenses enough, it gives birth to new stars. IC2944 is a large HII region (star forming cloud) in the southern constellation of Centaurus. The bright blue star in the upper right is Lambda Centauri, one of the brightest stars in the southern sky.The cluster of hot blue stars to the right of center are illuminating the gases of IC2944 and causing it to glow in the red and magenta light of excited hydrogen. The compact black objects adjacent to the bright blue stars are called Thackeray's Globules named for the astronomer A.D. Thackeray who described these in 1950. Thackeray Globules are similar to Bok Globules which

Nebulae IC 2948 and 2944 in Centaur - A large southern emission nebula, IC 2948 - Nebula IC 2948 is a vast nebula located about 6000 years from Earth in the southern constellation of Centaur. It is associated with the cluster of stars IC 2944 near which Bok's blood cells are visible. A Bok's blood cell is a dark interstellar cloud of gases and dust that absorb light. If it condenses enough, it gives birth to new stars. IC2944 is a large HII region (star forming cloud) in the southern constellation of Centaurus. The bright blue star in the upper right is Lambda Centauri, one of the brightest stars in the southern sky.The cluster of hot blue stars to the right of center are illuminating the gases of IC2944 and causing it to glow in the red and magenta light of excited hydrogen. The compact black objects adjacent to the bright blue stars are called Thackeray's Globules named for the astronomer A.D. Thackeray who described these in 1950. Thackeray Globules are similar to Bok Globules which

R. Gendler

PIX4622567

Far Galaxies - Chandra Deep Field South - Distant Galaxies - GOODS Chandra Deep Field South - A myriad of distant galaxies, accompanied by a few stars of our Lactee Way, covers almost the entire picture. Some detected galaxies are a billion times weaker than the human eye can perceive without instrument. Many new galaxies are so distant that they appear to us as they were when the Universe was only two billion years old. The image was made by the Very Large Telescope and the 2.2m telescope of La Silla within the framework of the GOODS programme, an extensive programme of study of primordial galaxies conducted by different terrestrial and spatial observatories, in a field of the boreal constellation of the Great Bear and in a field of the southern hemisphere, as here in the constellation of the Furnace. November 2008. Obtained in part with the Very Large Telescope, the image contains more than 27 million pixels and is the result of 55 hours of observations with the VIMOS instrument. Thi

Far Galaxies - Chandra Deep Field South - Distant Galaxies - GOODS Chandra Deep Field South - A myriad of distant galaxies, accompanied by a few stars of our Lactee Way, covers almost the entire picture. Some detected galaxies are a billion times weaker than the human eye can perceive without instrument. Many new galaxies are so distant that they appear to us as they were when the Universe was only two billion years old. The image was made by the Very Large Telescope and the 2.2m telescope of La Silla within the framework of the GOODS programme, an extensive programme of study of primordial galaxies conducted by different terrestrial and spatial observatories, in a field of the boreal constellation of the Great Bear and in a field of the southern hemisphere, as here in the constellation of the Furnace. November 2008. Obtained in part with the Very Large Telescope, the image contains more than 27 million pixels and is the result of 55 hours of observations with the VIMOS instrument. Thi

PIX4613813

Nebula NGC 604 in the galaxy M33 - NGC 604 star forming nebula - NGC 604, is a very large star-forming region located in the galaxy M33 of the Triangle. This image is a composite of X-ray images (blue) obtained by the Chandra Space Telescope and visible (green and red) by the Hubble Space Telescope. The study of very hot gas observed in X-ray allows us to better understand the star formation activity within this nebula. NGC 604, is one of the largest known seething cauldrons of star birth in a nearby galaxy. NGC 604 is similar to familiar star - birth regions in our Milky Way galaxy, such as the Orion Nebula, but it is vastly larger in extent and contains many more recently formed stars. This monstrous star - birth region contains more than 200 brilliant blue stars within a cloud of glowing gases some 1,300 light - years across, nearly 100 times the size of the Orion Nebula. The bright stars in NGC 604 are extremely young having formed a mere 3 million years ago. The most massive stars

Nebula NGC 604 in the galaxy M33 - NGC 604 star forming nebula - NGC 604, is a very large star-forming region located in the galaxy M33 of the Triangle. This image is a composite of X-ray images (blue) obtained by the Chandra Space Telescope and visible (green and red) by the Hubble Space Telescope. The study of very hot gas observed in X-ray allows us to better understand the star formation activity within this nebula. NGC 604, is one of the largest known seething cauldrons of star birth in a nearby galaxy. NGC 604 is similar to familiar star - birth regions in our Milky Way galaxy, such as the Orion Nebula, but it is vastly larger in extent and contains many more recently formed stars. This monstrous star - birth region contains more than 200 brilliant blue stars within a cloud of glowing gases some 1,300 light - years across, nearly 100 times the size of the Orion Nebula. The bright stars in NGC 604 are extremely young having formed a mere 3 million years ago. The most massive stars

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Spiral galaxy M81 in the Great Bear - Spiral galaxy M81 in Ursa Major - The spiral galaxy M81 is located 12 million years ago - light from Earth. Its arms are home to star-forming regions while its core is surrounded by much older yellow stars. In the background at the top, an irregular dwarf galaxy, Holmberg IX. This image obtained by a 50 cm amateur telescope, in February 2010 for 23 hours of poses, shows gas filaments whose origin is uncertain. Located about 12 million light - years from our planet, M81 (NGC 3031) together with M82 (NGC 3034), NGC 3077 and NGC 2976 forms one of the most iconic groups of interacting galaxies. The M81 group has also been the subject of many studies searching for and analyzing evidence of strong interactions among its components. In 1965, Halton Arp detected an unusual looping feature near M81 while examining photographic plates produced with the 48 - inch Schmidt on Mount Palomar. Traditionally, ARP's loop has been interpreted as a tail resulting from

Spiral galaxy M81 in the Great Bear - Spiral galaxy M81 in Ursa Major - The spiral galaxy M81 is located 12 million years ago - light from Earth. Its arms are home to star-forming regions while its core is surrounded by much older yellow stars. In the background at the top, an irregular dwarf galaxy, Holmberg IX. This image obtained by a 50 cm amateur telescope, in February 2010 for 23 hours of poses, shows gas filaments whose origin is uncertain. Located about 12 million light - years from our planet, M81 (NGC 3031) together with M82 (NGC 3034), NGC 3077 and NGC 2976 forms one of the most iconic groups of interacting galaxies. The M81 group has also been the subject of many studies searching for and analyzing evidence of strong interactions among its components. In 1965, Halton Arp detected an unusual looping feature near M81 while examining photographic plates produced with the 48 - inch Schmidt on Mount Palomar. Traditionally, ARP's loop has been interpreted as a tail resulting from

R. Jay GaBany

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Planetary nebula CRL 2688 dans le Swan/HST - This image of the Egg Nebula, also known as CRL2688 and located roughly 3,000 light - years from us, was taken in red light with the Wide Field and Planetary Camera 2 (WFPC2) aboard Nasa's Hubble Space Telescope.The image shows a pair of mysterious “” searchlight” beams emerging from a hidden star, criss - Yeah. crossed by numerous bright arcs. This image sheds new light on the poorly understood ejection of stellar matter which accompanies the slow death of Sun - like stars. The image is shown in false color. The central star in CRL2688 was a red giant a few hundred years ago. The nebula is really a large cloud of dust and gas ejected by the star, expanding at a speed of 20 km/s (115,000 mph). A dense cocoon of dust (the dark band in the image center) enshrouds the star and hides it from our view. Starlight escapes more easily in directions where the cocoon is thinner, and is reflected towards us by dust particles in the cloud, giving it its

Planetary nebula CRL 2688 dans le Swan/HST - This image of the Egg Nebula, also known as CRL2688 and located roughly 3,000 light - years from us, was taken in red light with the Wide Field and Planetary Camera 2 (WFPC2) aboard Nasa's Hubble Space Telescope.The image shows a pair of mysterious “” searchlight” beams emerging from a hidden star, criss - Yeah. crossed by numerous bright arcs. This image sheds new light on the poorly understood ejection of stellar matter which accompanies the slow death of Sun - like stars. The image is shown in false color. The central star in CRL2688 was a red giant a few hundred years ago. The nebula is really a large cloud of dust and gas ejected by the star, expanding at a speed of 20 km/s (115,000 mph). A dense cocoon of dust (the dark band in the image center) enshrouds the star and hides it from our view. Starlight escapes more easily in directions where the cocoon is thinner, and is reflected towards us by dust particles in the cloud, giving it its

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Remains of Supernova N49 dans la Dorade/HST - Resembling the puffs of smoke and sparks from a summer fireworks display in this image from Nasa's Hubble Space Telescope, these delicate filaments are actually sheets of debris from a stellar explosion in a neighboring galaxy. Hubble's target was a supernova remnant within the Large Magellanic Cloud (LMC), a nearby, small companion galaxy to the Milky Way visible from the southern hemisphere. Denoted N 49, or DEM L 190, this remnant is from a massive star that died in a supernova blast whose light would have reached Earth thousands of years ago. This filamentary material will eventually be recycled into building new generations of stars in the LMC. Our own Sun and planets are constructed from similar debris of supernovae that exploded in the Milky Way billions of years ago. This seemingly gentle structure also harbors a very powerful spinning neutron star that may be the central remnant from the initial blast. It is quite common for the co

Remains of Supernova N49 dans la Dorade/HST - Resembling the puffs of smoke and sparks from a summer fireworks display in this image from Nasa's Hubble Space Telescope, these delicate filaments are actually sheets of debris from a stellar explosion in a neighboring galaxy. Hubble's target was a supernova remnant within the Large Magellanic Cloud (LMC), a nearby, small companion galaxy to the Milky Way visible from the southern hemisphere. Denoted N 49, or DEM L 190, this remnant is from a massive star that died in a supernova blast whose light would have reached Earth thousands of years ago. This filamentary material will eventually be recycled into building new generations of stars in the LMC. Our own Sun and planets are constructed from similar debris of supernovae that exploded in the Milky Way billions of years ago. This seemingly gentle structure also harbors a very powerful spinning neutron star that may be the central remnant from the initial blast. It is quite common for the co

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