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Comete Hyakutake view in fake colors - Comet Hyakutake in false colors - 03/1996

Comete Hyakutake view in fake colors - Comet Hyakutake in false colors - 03/1996

Jerry Lodriguss

PIX4570117

Titan, Saturn satellite seen by Cassini - Saturn's moon Titan as seen by Cassini spacecraft: Titan images obtained by the Cassini probe on 21 March 2017. On the left, Titan seen in real colors. On the right, infrared image showing surface details as well as clouds in the northern hemisphere. These views were obtained with the Cassini spacecraft narrow-angle camera on March 21, 2017. Images taken using red, green and blue spectral filters were combined to create the natural-color view at left. The false-color view at right was made by substituting an infrared image (centered at 938 nanometers) for the red color channel. A large, bright and feathery band of summer clouds can be seen arcing across high northern latitudes in the view at right. The views were acquired at a distance of approximately 613,000 miles (986,000 kilometers) from Titan. Image scale is about 4 miles (6 kilometers) per pixel

Titan, Saturn satellite seen by Cassini - Saturn's moon Titan as seen by Cassini spacecraft: Titan images obtained by the Cassini probe on 21 March 2017. On the left, Titan seen in real colors. On the right, infrared image showing surface details as well as clouds in the northern hemisphere. These views were obtained with the Cassini spacecraft narrow-angle camera on March 21, 2017. Images taken using red, green and blue spectral filters were combined to create the natural-color view at left. The false-color view at right was made by substituting an infrared image (centered at 938 nanometers) for the red color channel. A large, bright and feathery band of summer clouds can be seen arcing across high northern latitudes in the view at right. The views were acquired at a distance of approximately 613,000 miles (986,000 kilometers) from Titan. Image scale is about 4 miles (6 kilometers) per pixel

PIX4582276

Titan, Saturn satellite seen by Cassini - Saturn's moon Titan as seen by Cassini spacecraft: Visible and infrared composite image of Titan taken by the Cassini probe on November 13, 2015. View of the hemisphere oriente towards Saturn - This composite image shows an infrared view of Saturn's moon Titan from Nasa's Cassini spacecraft, acquired during the mission's “” T-114”” flyby on Nov. 13, 2015. The spacecraft's visual and infrared mapping spectrometer (VIMS) instrument made these observations, in which blue represents wavelengths centered at 1.3 microns, green represents 2.0 microns, and red represents 5.0 microns. A view at visible wavelengths (centered around 0.5 microns) would show only Titan's hazy atmosphere (as in PIA14909). The near-infrared wavelengths in this image allow Cassini's vision to penetrate the haze and reveal the moon's surface - During this Titan flyby, the spacecraft's close-approach altitude was 6,200 miles (10,000 kilometers), which is considerably higher than

Titan, Saturn satellite seen by Cassini - Saturn's moon Titan as seen by Cassini spacecraft: Visible and infrared composite image of Titan taken by the Cassini probe on November 13, 2015. View of the hemisphere oriente towards Saturn - This composite image shows an infrared view of Saturn's moon Titan from Nasa's Cassini spacecraft, acquired during the mission's “” T-114”” flyby on Nov. 13, 2015. The spacecraft's visual and infrared mapping spectrometer (VIMS) instrument made these observations, in which blue represents wavelengths centered at 1.3 microns, green represents 2.0 microns, and red represents 5.0 microns. A view at visible wavelengths (centered around 0.5 microns) would show only Titan's hazy atmosphere (as in PIA14909). The near-infrared wavelengths in this image allow Cassini's vision to penetrate the haze and reveal the moon's surface - During this Titan flyby, the spacecraft's close-approach altitude was 6,200 miles (10,000 kilometers), which is considerably higher than

PIX4625361

Pluto seen by the New Horizons probe: Pluto seen in false colors by the New Horizons probe. Composite image created from images obtained on July 14, 2015 - Nasa's New Horizons spacecraft captured this high-resolution enhanced color view of Pluto on July 14, 2015. The image combines blue, red and infrared images taken by the Ralph/Multispectral Visual Imaging Camera (MVIC). Pluto's surface sports a remarkable range of subtle colors, enhanced in this view to a rainbow of pale blues, yellows, oranges, and deep reds. Many landforms have their own distinct colors, telling a complex geological and climatological story that scientists have only just begun to decode. The image resolves details and colors on scales as small as 0.8 miles (1.3 kilometers).

Pluto seen by the New Horizons probe: Pluto seen in false colors by the New Horizons probe. Composite image created from images obtained on July 14, 2015 - Nasa's New Horizons spacecraft captured this high-resolution enhanced color view of Pluto on July 14, 2015. The image combines blue, red and infrared images taken by the Ralph/Multispectral Visual Imaging Camera (MVIC). Pluto's surface sports a remarkable range of subtle colors, enhanced in this view to a rainbow of pale blues, yellows, oranges, and deep reds. Many landforms have their own distinct colors, telling a complex geological and climatological story that scientists have only just begun to decode. The image resolves details and colors on scales as small as 0.8 miles (1.3 kilometers).

PIX4624474

Titan, Saturn satellite seen by Cassini: Visible and infrared composite image of Titan taken by the Cassini probe on September 12, 2013. View of methane and ethane lakes. - This false-color mosaic, made from infrared data collected by Nasa's Cassini spacecraft, reveals the differences in the composition of surface materials around hydrocarbon lakes at Titan, Saturn's largest moon. Titan is the only other place in the solar system that we know has stable liquid on its surface, though its lakes are made of liquid ethane and methane rather than liquid water. While there is one large lake and a few smaller ones near Titan's south pole, almost all of Titan's lakes appear near the moon's north pole - Scientists mapped near-infrared colors onto the visible color spectrum. Red in this image was assigned a wavelength of 5 microns (10 times longer than visible light), green 2.0 microns (four times longer than visible light), and blue 1.3 microns (2.6 times longer than visible light) - The orange

Titan, Saturn satellite seen by Cassini: Visible and infrared composite image of Titan taken by the Cassini probe on September 12, 2013. View of methane and ethane lakes. - This false-color mosaic, made from infrared data collected by Nasa's Cassini spacecraft, reveals the differences in the composition of surface materials around hydrocarbon lakes at Titan, Saturn's largest moon. Titan is the only other place in the solar system that we know has stable liquid on its surface, though its lakes are made of liquid ethane and methane rather than liquid water. While there is one large lake and a few smaller ones near Titan's south pole, almost all of Titan's lakes appear near the moon's north pole - Scientists mapped near-infrared colors onto the visible color spectrum. Red in this image was assigned a wavelength of 5 microns (10 times longer than visible light), green 2.0 microns (four times longer than visible light), and blue 1.3 microns (2.6 times longer than visible light) - The orange

PIX4625336

Remains of the Supernova of Vails - Detail - The Vela supernova remnant - Nearly 12,000 years ago, a massive star exploded in the constellation Vails. This image shows part of the rest of this supernova where the hydrogen atoms appear in red and the oxygen in blue - green. Approximately 11,000 to 12,000 years ago a massive star exploded in the southern constellation of Vela. The matter ejected by the supernova scattered the contents of the star into the surrounding interstellar medium creating shock fronts of multimillion degree gas and high energy particles. The heated matter produces brilliant visible light as well as radio and x - ray emission which will continue for thousands of years until the entire remnant of the dying star completely dissipates into space. This image captures some of that filamentary and gigantic shock in visible light. Hydrogen atoms being excited by atomic collisions glow red, while oxygen appears blue - green

Remains of the Supernova of Vails - Detail - The Vela supernova remnant - Nearly 12,000 years ago, a massive star exploded in the constellation Vails. This image shows part of the rest of this supernova where the hydrogen atoms appear in red and the oxygen in blue - green. Approximately 11,000 to 12,000 years ago a massive star exploded in the southern constellation of Vela. The matter ejected by the supernova scattered the contents of the star into the surrounding interstellar medium creating shock fronts of multimillion degree gas and high energy particles. The heated matter produces brilliant visible light as well as radio and x - ray emission which will continue for thousands of years until the entire remnant of the dying star completely dissipates into space. This image captures some of that filamentary and gigantic shock in visible light. Hydrogen atoms being excited by atomic collisions glow red, while oxygen appears blue - green

Tom Davis

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Data obtained by the Mars Global Surveyor probe in 2000 - High resolution topographic shaded relief map of Mars made from Mars Global Surveyor observations: Altimetric map of Mars - Mars shaded relief map

Data obtained by the Mars Global Surveyor probe in 2000 - High resolution topographic shaded relief map of Mars made from Mars Global Surveyor observations: Altimetric map of Mars - Mars shaded relief map

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Saturn in false colours - Saturn in infrared - The planet Saturn seen in visible and infrared by the Cassini probe on November 1, 2008. This false - color composite image, constructed from data obtained by Nasa's Cassini spacecraft, shows Saturn's rings and southern hemisphere. The composite image was made from 65 individual observations by Cassini's visual and infrared mapping spectrometer in the near - infrared portion of the light spectrum on Nov. 1, 2008. The observations were each six minutes long. In this image constructed from data collected in the near - infrared wavelengths of light, scientists designated blue to indicate sunlight reflected at a wavelength of 2 microns, green to indicate sunlight reflected at 3 microns and red to indicate thermal emission at 5 microns. Saturn's rings reflect sunlight at 2 microns, but not at 3 and 5 microns, so they appear deep blue. Saturn's high altitude haze reflects sunlight at both 2 and 3 microns, but not at 5 microns, and so it appears

Saturn in false colours - Saturn in infrared - The planet Saturn seen in visible and infrared by the Cassini probe on November 1, 2008. This false - color composite image, constructed from data obtained by Nasa's Cassini spacecraft, shows Saturn's rings and southern hemisphere. The composite image was made from 65 individual observations by Cassini's visual and infrared mapping spectrometer in the near - infrared portion of the light spectrum on Nov. 1, 2008. The observations were each six minutes long. In this image constructed from data collected in the near - infrared wavelengths of light, scientists designated blue to indicate sunlight reflected at a wavelength of 2 microns, green to indicate sunlight reflected at 3 microns and red to indicate thermal emission at 5 microns. Saturn's rings reflect sunlight at 2 microns, but not at 3 and 5 microns, so they appear deep blue. Saturn's high altitude haze reflects sunlight at both 2 and 3 microns, but not at 5 microns, and so it appears

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March: Volcano Olympus Mons - False colors - Mars: volcano Olympus Mons - Altimetric data obtained by the Mars Express probe. The Olympus Mons volcano is 600 km in diameter and 26 km above the plains. This is a mosaic of Olympus Mons, the highest volcano on Mars, which towers 26 km above the surrounding plains. The image covers an area of approximately 600,000 sq km and is color - coded according to height

March: Volcano Olympus Mons - False colors - Mars: volcano Olympus Mons - Altimetric data obtained by the Mars Express probe. The Olympus Mons volcano is 600 km in diameter and 26 km above the plains. This is a mosaic of Olympus Mons, the highest volcano on Mars, which towers 26 km above the surrounding plains. The image covers an area of approximately 600,000 sq km and is color - coded according to height

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Les Dentelles du Cygne - Detail - NGC 6960 - Part of the Veil nebula - NGC 6960 - Part of the rest of the supernova of the Dentelles du Swan lies about 1500 years - light from the Earth. The bright star is 52 Cygnus, a star visible to the naked eye that is not associated with lace. Image in false colors obtained with a telescope measuring 40 cm in diameter through various filters that highlight the oxygen (in blue), and the hydrogen (in red). The Veil Nebula (NGC 6960) is part of a supernova remnant known as the Cygnus Loop. It is the shattered remains of one, and possibly two, supernovae that exploded less than 10,000 years ago in the direction of the constellation Cygnus, the Swan. At the time of the explosion, it would have been seen as a very bright star, rivaling the crescent Moon. The bright star at right, known as 52 Cygnus, is not associated with the supernova. Image taken with a 16 - inch telescope. Red is Hydrogen, Blue is Oxygen

Les Dentelles du Cygne - Detail - NGC 6960 - Part of the Veil nebula - NGC 6960 - Part of the rest of the supernova of the Dentelles du Swan lies about 1500 years - light from the Earth. The bright star is 52 Cygnus, a star visible to the naked eye that is not associated with lace. Image in false colors obtained with a telescope measuring 40 cm in diameter through various filters that highlight the oxygen (in blue), and the hydrogen (in red). The Veil Nebula (NGC 6960) is part of a supernova remnant known as the Cygnus Loop. It is the shattered remains of one, and possibly two, supernovae that exploded less than 10,000 years ago in the direction of the constellation Cygnus, the Swan. At the time of the explosion, it would have been seen as a very bright star, rivaling the crescent Moon. The bright star at right, known as 52 Cygnus, is not associated with the supernova. Image taken with a 16 - inch telescope. Red is Hydrogen, Blue is Oxygen

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Mimas, satellite of Saturn, seen by the Cassini probe on 13/02/2010 - Saturn's moon Mimas seen by Cassini spacecraft - February 13 2010 - The Mimas satellite seen in false colours by the Cassini probe on 13 February 2010 has a distance of 16,000 km from the satellite. Color differences reveal differences in terrain nature. Mimas is about 400 km in diameter. At the right centre is the large impact crater Herschel, 130 km wide. Subtle color differences on Saturn's moon Mimas are apparent in this false - color view of Herschel Crater captured by Nasa's Cassini spacecraft during its closest - ever flyby of that moon. The image shows terrain - dependent color variations, particularly the contrast between the bluish materials in and around Herschel Crater (130 kilometers, or 80 miles, wide) and the greenish cast on older, more heavily cratered terrain elsewhere. The origin of the color differences is not yet understood, but may be caused by subtle differences in the surface composition betwe

Mimas, satellite of Saturn, seen by the Cassini probe on 13/02/2010 - Saturn's moon Mimas seen by Cassini spacecraft - February 13 2010 - The Mimas satellite seen in false colours by the Cassini probe on 13 February 2010 has a distance of 16,000 km from the satellite. Color differences reveal differences in terrain nature. Mimas is about 400 km in diameter. At the right centre is the large impact crater Herschel, 130 km wide. Subtle color differences on Saturn's moon Mimas are apparent in this false - color view of Herschel Crater captured by Nasa's Cassini spacecraft during its closest - ever flyby of that moon. The image shows terrain - dependent color variations, particularly the contrast between the bluish materials in and around Herschel Crater (130 kilometers, or 80 miles, wide) and the greenish cast on older, more heavily cratered terrain elsewhere. The origin of the color differences is not yet understood, but may be caused by subtle differences in the surface composition betwe

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Uranus - true and false colors - Voyager 2 - Uranus in true and false colors - Images obtained by the Voyager 2 probe on January 17, 1986 at 9.1 million km from Uranus. On the left image in real colors, the blue color is due to the presence of methane in the atmosphere of the planet; on the right, the false colours show a thick layer of fog around the south pole. The axis of rotation of the planet is different from that of all other planets in the solar system. While for most planets this axis is almost vertical, for Uranus it is almost lying on the plane of its orbit. These two pictures of Uranus - - one in true color (left) and the other in false color - - were compiled from images returned Jan. 17, 1986, by the narrow - angle camera of Voyager 2. The spacecraft was 9.1 million kilometers (5.7 million miles) from the planet, several days from closest approach. The picture at left has been processed to show Uranus as human eyes would see it from the vantage point of the spacecraft. Th

Uranus - true and false colors - Voyager 2 - Uranus in true and false colors - Images obtained by the Voyager 2 probe on January 17, 1986 at 9.1 million km from Uranus. On the left image in real colors, the blue color is due to the presence of methane in the atmosphere of the planet; on the right, the false colours show a thick layer of fog around the south pole. The axis of rotation of the planet is different from that of all other planets in the solar system. While for most planets this axis is almost vertical, for Uranus it is almost lying on the plane of its orbit. These two pictures of Uranus - - one in true color (left) and the other in false color - - were compiled from images returned Jan. 17, 1986, by the narrow - angle camera of Voyager 2. The spacecraft was 9.1 million kilometers (5.7 million miles) from the planet, several days from closest approach. The picture at left has been processed to show Uranus as human eyes would see it from the vantage point of the spacecraft. Th

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Saturn rings seen in ultraviolet by Cassini - Saturn's rings in utraviolet - Saturn rings seen in ultraviolet by the Cassini probe. The colours indicate a different distribution of the material within the rings. This false - color image of Saturn's main rings was made by combining data from multiple star occultations using the Cassini ultraviolet imaging spectrograph. During occultations, scientists observe the brightness of a star as the rings pass in front of the star. This provides a measurement of the amount of ring material between the spacecraft and the star. Cassini has given scientists the most detailed view yet of Saturn's densely packed B ring. Cassini found that this part of the rings is densely packed with clumps, called self - gravity wakes, separated by almost empty gaps. These clumps in Saturn's B ring are neatly organized and constantly colliding, which surprised scientists. The clumps in Saturn's B ring, 30 to 50 meters (100 to 160 feet) across, are too small to be see

Saturn rings seen in ultraviolet by Cassini - Saturn's rings in utraviolet - Saturn rings seen in ultraviolet by the Cassini probe. The colours indicate a different distribution of the material within the rings. This false - color image of Saturn's main rings was made by combining data from multiple star occultations using the Cassini ultraviolet imaging spectrograph. During occultations, scientists observe the brightness of a star as the rings pass in front of the star. This provides a measurement of the amount of ring material between the spacecraft and the star. Cassini has given scientists the most detailed view yet of Saturn's densely packed B ring. Cassini found that this part of the rings is densely packed with clumps, called self - gravity wakes, separated by almost empty gaps. These clumps in Saturn's B ring are neatly organized and constantly colliding, which surprised scientists. The clumps in Saturn's B ring, 30 to 50 meters (100 to 160 feet) across, are too small to be see

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Uranus - true and false colors - Voyager 2 - Uranus in true and false colors - Images obtained by the Voyager 2 probe on January 19, 1986. On the left, the blue color is due to the presence of methane in the atmosphere of the planet; on the right, the same image seen in false colors.The axis of rotation of the planet is different from that of all other planets in the solar system. While for most planets this axis is almost vertical, for Uranus it is almost lying on the plane of its orbit. These two images of Uranus are shown here to reveal the pole rotation of the planet, as photographed by Voyager 2. The left is seen as the human eye would see, and the right isfalse color to reveal more intricate details

Uranus - true and false colors - Voyager 2 - Uranus in true and false colors - Images obtained by the Voyager 2 probe on January 19, 1986. On the left, the blue color is due to the presence of methane in the atmosphere of the planet; on the right, the same image seen in false colors.The axis of rotation of the planet is different from that of all other planets in the solar system. While for most planets this axis is almost vertical, for Uranus it is almost lying on the plane of its orbit. These two images of Uranus are shown here to reveal the pole rotation of the planet, as photographed by Voyager 2. The left is seen as the human eye would see, and the right isfalse color to reveal more intricate details

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Le Soleil vu by SDO on May 23, 2010 - The Sun seen by SDO. May 23, 2010 - Le Soleil vu en ultraviolet by SDO (Solar Dynamics Observatory) on May 23, 2010. This image taken by SDO (Solar Dynamics Observatory) is a composite of three extreme ultraviolet wavelengths: 211 A (false - color yellow) 193 A (green) and 171 A (blue), each tracing a different gas temperature ranging from 1 to 2 million degrees K

Le Soleil vu by SDO on May 23, 2010 - The Sun seen by SDO. May 23, 2010 - Le Soleil vu en ultraviolet by SDO (Solar Dynamics Observatory) on May 23, 2010. This image taken by SDO (Solar Dynamics Observatory) is a composite of three extreme ultraviolet wavelengths: 211 A (false - color yellow) 193 A (green) and 171 A (blue), each tracing a different gas temperature ranging from 1 to 2 million degrees K

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Titan, Saturn satellite seen by Cassini - Saturn's moon Titan as seen by Cassini spacecraft: Visible and infrared composite image of Titan taken by the Cassini probe on August 21, 2014. View of methane and ethane lakes lit by the Sun. - This near-infrared, color mosaic from Nasa's Cassini spacecraft shows the sun glinting off of Titan's north polar seas. - The sunglint, also called a specular reflection, is the bright area near the 11 o'clock position at upper left. This mirror-like reflection, known as the specular point, is in the south of Titan's largest sea, Kraken Mare, just north of an island archipelago separating two separate parts of the sea - This particular sunglint was so bright as to saturate the detector of Cassini's Visual and Infrared Mapping Spectrometer (VIMS) instrument, which captures the view. - The southern portion of Kraken Mare (the area surrounding the specular feature toward upper left) displays a “” bathtub ring”” - a bright margin of evaporate deposits - whi

Titan, Saturn satellite seen by Cassini - Saturn's moon Titan as seen by Cassini spacecraft: Visible and infrared composite image of Titan taken by the Cassini probe on August 21, 2014. View of methane and ethane lakes lit by the Sun. - This near-infrared, color mosaic from Nasa's Cassini spacecraft shows the sun glinting off of Titan's north polar seas. - The sunglint, also called a specular reflection, is the bright area near the 11 o'clock position at upper left. This mirror-like reflection, known as the specular point, is in the south of Titan's largest sea, Kraken Mare, just north of an island archipelago separating two separate parts of the sea - This particular sunglint was so bright as to saturate the detector of Cassini's Visual and Infrared Mapping Spectrometer (VIMS) instrument, which captures the view. - The southern portion of Kraken Mare (the area surrounding the specular feature toward upper left) displays a “” bathtub ring”” - a bright margin of evaporate deposits - whi

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Martian dune erosion - Mars: Disappearing and Shrinking Dome Dunes - Dune sur Mars photographed by the HIRISE camera of the Mars Reconnaissance probe orbiting on January 30, 2008. HIRISE is a 50 cm telescope that observes visible and near infrared. This false - color image from the HIRISE (High Resolution Imaging Science Experiment) camera on Mars Recognition Orbiter was taken on January 30, 2008

Martian dune erosion - Mars: Disappearing and Shrinking Dome Dunes - Dune sur Mars photographed by the HIRISE camera of the Mars Reconnaissance probe orbiting on January 30, 2008. HIRISE is a 50 cm telescope that observes visible and near infrared. This false - color image from the HIRISE (High Resolution Imaging Science Experiment) camera on Mars Recognition Orbiter was taken on January 30, 2008

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Mars: Sedimentary layers in Becquerel crater - Mars: Periodic Layering in Becquerel Crater - Detail on sedimentary layers in Becquerel crater (Arabia Terra region), obtained on June 10, 2007 by the HIRISE camera on board the Mars Reconnaissance orbiter probe. This image in false colors shows sedimentary rocks in pink, sand in blue. The study of these sedimentary depot strata suggests that the climate of Mars is linked to the inclination of the axis of rotation of the planet. Rhythmic bedding in sedimentary bedrock within Becquerel crater on Mars is suggested by the patterns in this image from the High Resolution Imaging Science Experiment (HiRise) camera on Nasa's Mars Reconnaissance Orbiter. Three dimensional analysis based on stereo pairs of images confirmed the regularity of repetition in the thickness of the beds. In the top half of this image, some of the rhythm is apparent as a series of bundles of about 10 individual layers per bundle. By corresponding to a known 10 - to - one p

Mars: Sedimentary layers in Becquerel crater - Mars: Periodic Layering in Becquerel Crater - Detail on sedimentary layers in Becquerel crater (Arabia Terra region), obtained on June 10, 2007 by the HIRISE camera on board the Mars Reconnaissance orbiter probe. This image in false colors shows sedimentary rocks in pink, sand in blue. The study of these sedimentary depot strata suggests that the climate of Mars is linked to the inclination of the axis of rotation of the planet. Rhythmic bedding in sedimentary bedrock within Becquerel crater on Mars is suggested by the patterns in this image from the High Resolution Imaging Science Experiment (HiRise) camera on Nasa's Mars Reconnaissance Orbiter. Three dimensional analysis based on stereo pairs of images confirmed the regularity of repetition in the thickness of the beds. In the top half of this image, some of the rhythm is apparent as a series of bundles of about 10 individual layers per bundle. By corresponding to a known 10 - to - one p

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Asteroide Ida seen by Galileo probe - Asteroid Ida seen by Galileo spacecraft - Mosaic of five images obtained by the Galileo probe on 28 August 1993 between 3000 and 3800 km from the asteroid. Recolorised image. This false-color view of the asteroid 243 Ida is a mosaic of five image frames acquired by the Galileo spacecraft's solid-state imaging system at ranges of 3,057 to 3,821 kilometers (1,900 to 2,375 miles) on August 28, 1993. Ida is the second asteroid ever encountered by a spacecraft. It appears to be about 52 kilometers (32 miles) in length, more than twice as large as Gaspra, the first asteroid observed by Galileo in October 1991

Asteroide Ida seen by Galileo probe - Asteroid Ida seen by Galileo spacecraft - Mosaic of five images obtained by the Galileo probe on 28 August 1993 between 3000 and 3800 km from the asteroid. Recolorised image. This false-color view of the asteroid 243 Ida is a mosaic of five image frames acquired by the Galileo spacecraft's solid-state imaging system at ranges of 3,057 to 3,821 kilometers (1,900 to 2,375 miles) on August 28, 1993. Ida is the second asteroid ever encountered by a spacecraft. It appears to be about 52 kilometers (32 miles) in length, more than twice as large as Gaspra, the first asteroid observed by Galileo in October 1991

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Swan Lace Detail - The Veil nebula, IC 1340 - IC 1340 is a detail of the Swan lace, a remnant of supernova located about 1900 years - light in the constellation Swan. The supernova exploded 5,000 or 8,000 years ago. Image in false colors obtained with a telescope measuring 40 cm in diameter through various filters that highlight the oxygen (in blue), and the hydrogen (in red). This image shows a faint portion of the eastern veil nebula in Cygnus, a large, almost spherical glowing shell of gas, the expanding remains of a star that exploded between 5,000 and 8,000 years ago. The nebula (and thus its precursor star) is about 1900 light years distant and about 100 light years across. It is the result of the shockwave from the explosion exciting the tenuous interstellar medium and making it glow. Shooting in these wavelengths and with the color combine choices yielded a spooky view of something resembling a Bat or Owl. Red is Hydrogen, Blue is Oxygen, Green is the product of both

Swan Lace Detail - The Veil nebula, IC 1340 - IC 1340 is a detail of the Swan lace, a remnant of supernova located about 1900 years - light in the constellation Swan. The supernova exploded 5,000 or 8,000 years ago. Image in false colors obtained with a telescope measuring 40 cm in diameter through various filters that highlight the oxygen (in blue), and the hydrogen (in red). This image shows a faint portion of the eastern veil nebula in Cygnus, a large, almost spherical glowing shell of gas, the expanding remains of a star that exploded between 5,000 and 8,000 years ago. The nebula (and thus its precursor star) is about 1900 light years distant and about 100 light years across. It is the result of the shockwave from the explosion exciting the tenuous interstellar medium and making it glow. Shooting in these wavelengths and with the color combine choices yielded a spooky view of something resembling a Bat or Owl. Red is Hydrogen, Blue is Oxygen, Green is the product of both

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Nebula Ced 214 in Cephee - Nebula Cederblad 214 in Narrowband - Cederblad 214 is a star-forming region located about 2750 years - light from Earth. Detail obtained with a telescope measuring 40 cm in diameter, through 3 different filters that highlight oxygen, hydrogen, and sulfur. Emission nebulosity located in the constellation of Cepheus. Image made with a 16 inch telescope in combining the light from 3 different filters tracing emission from oxygen, hydrogen, and sulphur

Nebula Ced 214 in Cephee - Nebula Cederblad 214 in Narrowband - Cederblad 214 is a star-forming region located about 2750 years - light from Earth. Detail obtained with a telescope measuring 40 cm in diameter, through 3 different filters that highlight oxygen, hydrogen, and sulfur. Emission nebulosity located in the constellation of Cepheus. Image made with a 16 inch telescope in combining the light from 3 different filters tracing emission from oxygen, hydrogen, and sulphur

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Spiral Galaxy NGC 3079 in the Great Bear - Spiral galaxy NGC 3079 - NGC 3079 is a spiral galaxy distant about 50 million years - light from Earth. His disc measures about 70,000 years - light. This false-colored image obtained by the Hubble Space Telescope in 1998 shows that a huge gas bubble escapes from the galaxy. This bubble rises more than 3500 years ago - light above the disk of the galaxy. It is a wind from hot stars and blends with very hot gas from supernovae explosions that would cause this bubble. The picture shows the bubble in the center of the NGC 3079 galaxy's disk. The structure is more than 3,000 light - years wide and rises 3,500 light - years above the galaxy's disk. Astronomers suspect that the bubble is being blown by “” winds”” (high - speed streams of particles) released during a burst of star formation. Eventually, this gas will rain down upon the galaxy's disk where it may collide with gas clouds, compress them, and form a new generation of stars. The two white

Spiral Galaxy NGC 3079 in the Great Bear - Spiral galaxy NGC 3079 - NGC 3079 is a spiral galaxy distant about 50 million years - light from Earth. His disc measures about 70,000 years - light. This false-colored image obtained by the Hubble Space Telescope in 1998 shows that a huge gas bubble escapes from the galaxy. This bubble rises more than 3500 years ago - light above the disk of the galaxy. It is a wind from hot stars and blends with very hot gas from supernovae explosions that would cause this bubble. The picture shows the bubble in the center of the NGC 3079 galaxy's disk. The structure is more than 3,000 light - years wide and rises 3,500 light - years above the galaxy's disk. Astronomers suspect that the bubble is being blown by “” winds”” (high - speed streams of particles) released during a burst of star formation. Eventually, this gas will rain down upon the galaxy's disk where it may collide with gas clouds, compress them, and form a new generation of stars. The two white

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Elephant tube nebula (VDB 142) in Cephee - The Elephant Trunk Nebula (VDB 142) in Cepheus - IC1396, VDB 142. Nebula located about 2700 years - light from Earth. Image obtained with a telescope 40 cm in diameter, through 3 different filters that highlight oxygen, hydrogen, and sulfur. The Elephant Trunk Nebula (IC 1396A) in Cepheus is part of the larger IC 1396 complex which spans a large area of the sky measuring 170 by 140 arc - minutes and is one of the brightest emission nebulae with a magnitude of 3.5. The western portion of IC 1396 contains the Elephant Trunk Nebula (IC 1396A) which is characterized with H - II emissions, dark lanes and globules as well as a small reflection nebula. The IC 1396 complex is technically a star cluster (aka Cr 439, Trumpler 37) owing to the presence of a developing open but loose cluster at the heart of this rich nebulosity. This open star cluster is comprised of 50 - 100 member stars which vary in brightness spanning an area of approximately 50 'in d

Elephant tube nebula (VDB 142) in Cephee - The Elephant Trunk Nebula (VDB 142) in Cepheus - IC1396, VDB 142. Nebula located about 2700 years - light from Earth. Image obtained with a telescope 40 cm in diameter, through 3 different filters that highlight oxygen, hydrogen, and sulfur. The Elephant Trunk Nebula (IC 1396A) in Cepheus is part of the larger IC 1396 complex which spans a large area of the sky measuring 170 by 140 arc - minutes and is one of the brightest emission nebulae with a magnitude of 3.5. The western portion of IC 1396 contains the Elephant Trunk Nebula (IC 1396A) which is characterized with H - II emissions, dark lanes and globules as well as a small reflection nebula. The IC 1396 complex is technically a star cluster (aka Cr 439, Trumpler 37) owing to the presence of a developing open but loose cluster at the heart of this rich nebulosity. This open star cluster is comprised of 50 - 100 member stars which vary in brightness spanning an area of approximately 50 'in d

PIX4622303

Earth - The geoid - Earth's geoid - The Earth's geoid, an image of the inegalites of the Earth's gravitation field. Image centred on Indonesia. Image obtained by the GOCE satellite in 2011. ESA's GOCE mission has delivered the most accurate model of the 'geoid' ever produced, which will be used to further our understanding of how Earth works. A precise model of Earth's geoid is crucial for deriving accurate measurements of ocean circulation, sea - level change and terrestrial ice dynamics. The geoid is also used as a reference surface from which to map the topographical features on the planet. In addition, a better understanding of variations in the gravity field will lead to a deeper understanding of Earth's interior, such as the physics and dynamics associated with volcanic activity and earthquakes

Earth - The geoid - Earth's geoid - The Earth's geoid, an image of the inegalites of the Earth's gravitation field. Image centred on Indonesia. Image obtained by the GOCE satellite in 2011. ESA's GOCE mission has delivered the most accurate model of the 'geoid' ever produced, which will be used to further our understanding of how Earth works. A precise model of Earth's geoid is crucial for deriving accurate measurements of ocean circulation, sea - level change and terrestrial ice dynamics. The geoid is also used as a reference surface from which to map the topographical features on the planet. In addition, a better understanding of variations in the gravity field will lead to a deeper understanding of Earth's interior, such as the physics and dynamics associated with volcanic activity and earthquakes

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The Mediterranean Sea with satellite view. The imager uses is the AVHRR (Advanced Very High Resolution Radiometer) - AVHRR vegetation index over land and CZCS Ocean Colour phytoplankton concentration over sea in Europe and North Africa: Mediterranean sea from satellite

The Mediterranean Sea with satellite view. The imager uses is the AVHRR (Advanced Very High Resolution Radiometer) - AVHRR vegetation index over land and CZCS Ocean Colour phytoplankton concentration over sea in Europe and North Africa: Mediterranean sea from satellite

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Earth - The geoid - Earth's geoid - The Earth's geoid, an image of the inegalites of the Earth's gravitation field. Image centered on the Atlantic Ocean. Image obtained by the GOCE satellite in 2011. ESA's GOCE mission has delivered the most accurate model of the 'geoid' ever produced, which will be used to further our understanding of how Earth works. A precise model of Earth's geoid is crucial for deriving accurate measurements of ocean circulation, sea - level change and terrestrial ice dynamics. The geoid is also used as a reference surface from which to map the topographical features on the planet. In addition, a better understanding of variations in the gravity field will lead to a deeper understanding of Earth's interior, such as the physics and dynamics associated with volcanic activity and earthquakes

Earth - The geoid - Earth's geoid - The Earth's geoid, an image of the inegalites of the Earth's gravitation field. Image centered on the Atlantic Ocean. Image obtained by the GOCE satellite in 2011. ESA's GOCE mission has delivered the most accurate model of the 'geoid' ever produced, which will be used to further our understanding of how Earth works. A precise model of Earth's geoid is crucial for deriving accurate measurements of ocean circulation, sea - level change and terrestrial ice dynamics. The geoid is also used as a reference surface from which to map the topographical features on the planet. In addition, a better understanding of variations in the gravity field will lead to a deeper understanding of Earth's interior, such as the physics and dynamics associated with volcanic activity and earthquakes

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Elephant tube nebula (VDB 142) in Cephee - The Elephant Trunk Nebula (VDB 142) in Cepheus: IC1396, VDB 142. Nebula located about 2700 light years from Earth. Image obtained with a bezel Tele Vue NP127iS, through 3 different filters that demonstrate oxygen, hydrogen, and sulfur - The Elephant Trunk Nebula (IC 1396A) in Cepheus is part of the larger IC 1396 complex which spans a large area of the sky measuring 170 by 140 arc-minutes and is one of the brightest emission nebulae with a magnitude of 3.5. The western portion of IC 1396 contains the Elephant Trunk Nebula (IC 1396A) which is characterized with H-II emissions, dark lanes and globules as well as a small reflection nebula. The IC 1396 complex is technically a star cluster (aka Cr 439, Trumpler 37) owing to the presence of a developing open but loose cluster at the heart of this rich nebulosity. This open star cluster is comprised of 50-100 member stars which vary in brightness spanning an area of approximately 50 'in diameter and

Elephant tube nebula (VDB 142) in Cephee - The Elephant Trunk Nebula (VDB 142) in Cepheus: IC1396, VDB 142. Nebula located about 2700 light years from Earth. Image obtained with a bezel Tele Vue NP127iS, through 3 different filters that demonstrate oxygen, hydrogen, and sulfur - The Elephant Trunk Nebula (IC 1396A) in Cepheus is part of the larger IC 1396 complex which spans a large area of the sky measuring 170 by 140 arc-minutes and is one of the brightest emission nebulae with a magnitude of 3.5. The western portion of IC 1396 contains the Elephant Trunk Nebula (IC 1396A) which is characterized with H-II emissions, dark lanes and globules as well as a small reflection nebula. The IC 1396 complex is technically a star cluster (aka Cr 439, Trumpler 37) owing to the presence of a developing open but loose cluster at the heart of this rich nebulosity. This open star cluster is comprised of 50-100 member stars which vary in brightness spanning an area of approximately 50 'in diameter and

W. Promper

PIX4622329

Nebula of the crescent NGC 6888 in the Swan - NGC 6888 Crescent Nebula - NGC 6888 Nebula of the Crescent. This nebula is a gas shell located in the constellation Swan. The bright star in the center of the nebula is the star WR 136, a star of Wolf - Rayet, massive, very hot. Image obtained by combining light through 3 different filters that highlight oxygen, hydrogen, and sulfur. The nebula is a shell of gas that is being energized by the strong stellar wind from the Wolf - Rayet star WR 136, the bright star at the center of the nebula. It is located in the constellation of Cygnus, the Swan. Wolf - Rayet stars are very hot, massive stars that are blowing off their outer layers. Narrowband false color composite H - alpha, OIII, SII

Nebula of the crescent NGC 6888 in the Swan - NGC 6888 Crescent Nebula - NGC 6888 Nebula of the Crescent. This nebula is a gas shell located in the constellation Swan. The bright star in the center of the nebula is the star WR 136, a star of Wolf - Rayet, massive, very hot. Image obtained by combining light through 3 different filters that highlight oxygen, hydrogen, and sulfur. The nebula is a shell of gas that is being energized by the strong stellar wind from the Wolf - Rayet star WR 136, the bright star at the center of the nebula. It is located in the constellation of Cygnus, the Swan. Wolf - Rayet stars are very hot, massive stars that are blowing off their outer layers. Narrowband false color composite H - alpha, OIII, SII

PIX4620372

Irrigation fields - Saudi Arabia - Agriculture in Saudi Arabia: Image in false colors obtained by Sentinel-2A satellite showing an agricultural area near Tabarjal in Saudi Arabia. This false-colour image from the Sentinel-2A satellite shows agricultural structures near Tabarjal, Saudi Arabia. Circles come from a central-pivot irrigation system, where the long water pipe rotates around a well at the centre

Irrigation fields - Saudi Arabia - Agriculture in Saudi Arabia: Image in false colors obtained by Sentinel-2A satellite showing an agricultural area near Tabarjal in Saudi Arabia. This false-colour image from the Sentinel-2A satellite shows agricultural structures near Tabarjal, Saudi Arabia. Circles come from a central-pivot irrigation system, where the long water pipe rotates around a well at the centre

PIX4630453

Nebula IC 2948 in Centaurus - Nebula IC 2948 and IC 2944 in Centaurus: IC2944 - SHO 70 70 70 Bin 2 - Nebula IC 2948 is a vast nebula located about 6000 light years from Earth in the southern constellation of Centaurus. 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 - Image obtained through 3 different filters that highlight oxygen (in blue), hydrogen (in green), and sulfur (in red) - Between the Southern Cross and the rich Carina region, on the southern border of Centaurus, is a large, almost featureless emission nebula, IC 2948, with a sprinkling of bright stars, Collinder 249. It is against this uniform, backdrop that we see a brighter region (IC 2944) which hosts small group of dark clouds of the kind known as 'Bok globules'. They are named for the Dutch-American astronomer who first drew attention to t

Nebula IC 2948 in Centaurus - Nebula IC 2948 and IC 2944 in Centaurus: IC2944 - SHO 70 70 70 Bin 2 - Nebula IC 2948 is a vast nebula located about 6000 light years from Earth in the southern constellation of Centaurus. 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 - Image obtained through 3 different filters that highlight oxygen (in blue), hydrogen (in green), and sulfur (in red) - Between the Southern Cross and the rich Carina region, on the southern border of Centaurus, is a large, almost featureless emission nebula, IC 2948, with a sprinkling of bright stars, Collinder 249. It is against this uniform, backdrop that we see a brighter region (IC 2944) which hosts small group of dark clouds of the kind known as 'Bok globules'. They are named for the Dutch-American astronomer who first drew attention to t

W. Promper

PIX4622580

Richat structure - Mauritania - satellite view - Richat structure, Mauritania, seen by Landsat - 7 satellite - Richat structure, geological formation of volcanic origin, in Mauritania, observed by the Landsat-7 satellite. The so-called Richat Structure is a geological formation in the Maur Adrar Desert in the African country of Mauritania. Although it resemble an impact crater, the Richat Structure formed when a volcanic dome hardened and gradually eroded, exposing the onion - like layers of rock

Richat structure - Mauritania - satellite view - Richat structure, Mauritania, seen by Landsat - 7 satellite - Richat structure, geological formation of volcanic origin, in Mauritania, observed by the Landsat-7 satellite. The so-called Richat Structure is a geological formation in the Maur Adrar Desert in the African country of Mauritania. Although it resemble an impact crater, the Richat Structure formed when a volcanic dome hardened and gradually eroded, exposing the onion - like layers of rock

PIX4659070

Richat structure - Mauritania - satellite view - Richat structure, Mauritania, seen by satellite - Richat structure is a geological formation of volcanic origin in Mauritania. This “eye” measures 50 km in diameter. This image is a combination of an image obtained by the Landsat satellite in 1987 and a radar image obtained from the Space Shuttle (SRTM) in 2000. The relief is exaggerated by about 6 times. The picture covers an area of 68 km by 112 km. This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous 50 - kilometer - wide (30 - mile - wide) bull's - eye on the otherwise rather featureless expanse of the desert. Initially mistaken for a possible impact crater, it is now known to be an eroded circular anticline (structural dome) of layered sedimentary rocks. Extensive sand dunes occur in this region and the interaction of bedrock topography, wind, and moving sand is evident in this

Richat structure - Mauritania - satellite view - Richat structure, Mauritania, seen by satellite - Richat structure is a geological formation of volcanic origin in Mauritania. This “eye” measures 50 km in diameter. This image is a combination of an image obtained by the Landsat satellite in 1987 and a radar image obtained from the Space Shuttle (SRTM) in 2000. The relief is exaggerated by about 6 times. The picture covers an area of 68 km by 112 km. This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous 50 - kilometer - wide (30 - mile - wide) bull's - eye on the otherwise rather featureless expanse of the desert. Initially mistaken for a possible impact crater, it is now known to be an eroded circular anticline (structural dome) of layered sedimentary rocks. Extensive sand dunes occur in this region and the interaction of bedrock topography, wind, and moving sand is evident in this

PIX4659064

Nebula NGC 281 in Cassiopee - Nebula NGC 281 in Cassiopeia - NGC 281 is a star-forming region about 10,000 light years away from Earth in the constellation Cassiopee. At the center of this nebula is the cluster of stars IC 1590 whose stars are only a few million years old. Image obtained by combining light through 3 different filters that highlight oxygen, hydrogen, and sulfur. NGC 281 is a busy workshop of star formation. Prominent features include a small open cluster of stars, a diffuse emission nebula, large lanes of obscuring gas and dust, and dense knots of dust and gas in which stars may still be forming. The open cluster of stars IC 1590 visible around the center has formed only in the last few million years. The brightest member of this cluster is actually a multiple - star system shining light that helps ionize the nebula's gas. The lanes of dust visible below the center are likely homes of future star formation. The entire NGC 281 system lies about 10 thousand light years di

Nebula NGC 281 in Cassiopee - Nebula NGC 281 in Cassiopeia - NGC 281 is a star-forming region about 10,000 light years away from Earth in the constellation Cassiopee. At the center of this nebula is the cluster of stars IC 1590 whose stars are only a few million years old. Image obtained by combining light through 3 different filters that highlight oxygen, hydrogen, and sulfur. NGC 281 is a busy workshop of star formation. Prominent features include a small open cluster of stars, a diffuse emission nebula, large lanes of obscuring gas and dust, and dense knots of dust and gas in which stars may still be forming. The open cluster of stars IC 1590 visible around the center has formed only in the last few million years. The brightest member of this cluster is actually a multiple - star system shining light that helps ionize the nebula's gas. The lanes of dust visible below the center are likely homes of future star formation. The entire NGC 281 system lies about 10 thousand light years di

PIX4617475

Allee de Von Karman - Von Karman vortices - Allee of Karman swirls in the clouds caused by the encounter between the wind and the mountain peak of Alejandro Selkirk Island (Juan Fernandez Archipelago) off Chile. False colour image obtained by Landsat 7 satellite on 15 September 1999. Each of these swirling clouds is the result of a meteorological phenomenon known as a von Karman vortex. These vortices appeared over Alexander Selkirk Island in the southern Pacific Ocean. Rising precipitously from the surrounding waters, the island's highest point is nearly a mile (1.6 km) above sea level. As wind - driven clouds encounter this obstacle, they flow around it to form large, spinning eddies. This false color image was acquired by Landsat 7 satellite on September 15, 1999

Allee de Von Karman - Von Karman vortices - Allee of Karman swirls in the clouds caused by the encounter between the wind and the mountain peak of Alejandro Selkirk Island (Juan Fernandez Archipelago) off Chile. False colour image obtained by Landsat 7 satellite on 15 September 1999. Each of these swirling clouds is the result of a meteorological phenomenon known as a von Karman vortex. These vortices appeared over Alexander Selkirk Island in the southern Pacific Ocean. Rising precipitously from the surrounding waters, the island's highest point is nearly a mile (1.6 km) above sea level. As wind - driven clouds encounter this obstacle, they flow around it to form large, spinning eddies. This false color image was acquired by Landsat 7 satellite on September 15, 1999

PIX4674986

The Gamma ray sky - The Gamma ray sky - Map of the whole sky seen in gamma rays by the Fermi Gamma-Ray Space Telescope (FGST) satellite from August 4 to October 30, 2008. All-sky image seen in gamma ray showing the glowing gas of the Milky Way, blinking pulsars, and galaxies billions of light-years away. The all-sky image released today shows us how the cosmos would look if our eyes could detect radiation 150 million times more energetic than visible light. The view merges Large Area Telescope (LAT) on Fermi Gamma-ray Space Telescope (FGST) observations spanning 87 days, from August 4 to October 30, 2008. FGST has been launched on June 11 2008

The Gamma ray sky - The Gamma ray sky - Map of the whole sky seen in gamma rays by the Fermi Gamma-Ray Space Telescope (FGST) satellite from August 4 to October 30, 2008. All-sky image seen in gamma ray showing the glowing gas of the Milky Way, blinking pulsars, and galaxies billions of light-years away. The all-sky image released today shows us how the cosmos would look if our eyes could detect radiation 150 million times more energetic than visible light. The view merges Large Area Telescope (LAT) on Fermi Gamma-ray Space Telescope (FGST) observations spanning 87 days, from August 4 to October 30, 2008. FGST has been launched on June 11 2008

PIX4638001

Nebula NGC 3372 in the Carene - NGC 3372 Carina nebula - The Carene Nebula (NGC 3372) is a very large region of star formation visible in the southern hemisphere. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). The bright star in the center of the image is Eta Carinae, a super massive star. The Carina Nebula (also known as the Great Nebula in Carina, the Eta Carinae Nebula, or NGC 3372) is a large bright nebula that surrounds several open clusters of stars. Eta Carinae and HD 93129A, two of the most massive and luminous stars in our Milky Way galaxy, are among them. The nebula lies at an estimated distance between 6,500 and 10,000 light years from Earth. It is located in the constellation of Carina. The nebula contains multiple O - type stars. This nebula is one of the largest H II regions in the Milky Way. It has a visual magnitude of 1.0. The nebula is one of the largest diffuse nebulae in our skies. Although it is some fou

Nebula NGC 3372 in the Carene - NGC 3372 Carina nebula - The Carene Nebula (NGC 3372) is a very large region of star formation visible in the southern hemisphere. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). The bright star in the center of the image is Eta Carinae, a super massive star. The Carina Nebula (also known as the Great Nebula in Carina, the Eta Carinae Nebula, or NGC 3372) is a large bright nebula that surrounds several open clusters of stars. Eta Carinae and HD 93129A, two of the most massive and luminous stars in our Milky Way galaxy, are among them. The nebula lies at an estimated distance between 6,500 and 10,000 light years from Earth. It is located in the constellation of Carina. The nebula contains multiple O - type stars. This nebula is one of the largest H II regions in the Milky Way. It has a visual magnitude of 1.0. The nebula is one of the largest diffuse nebulae in our skies. Although it is some fou

Tom Davis

PIX4619112

North America and Pelican nebulae in Cygnus - North America and Pelican nebulae in Cygnus - The North America nebula (NGC 7000) is a large emission nebula located near the Deneb star in the constellation Swan. To the right of NGC 7000, the Pelican nebula (IC 5070). Image obtained by combining light through 3 different filters that highlight the oxygen in blue, hydrogen in green, and sulfur in red. North America (NGC 7000) is an emission nebula close to Deneb in the constellation Cygnus. On its right is the Pelican nebula (IC 5070). Image made in combining the light from 3 different filters tracing emission from oxygen (blue), hydrogen (green), and sulphur (red)

North America and Pelican nebulae in Cygnus - North America and Pelican nebulae in Cygnus - The North America nebula (NGC 7000) is a large emission nebula located near the Deneb star in the constellation Swan. To the right of NGC 7000, the Pelican nebula (IC 5070). Image obtained by combining light through 3 different filters that highlight the oxygen in blue, hydrogen in green, and sulfur in red. North America (NGC 7000) is an emission nebula close to Deneb in the constellation Cygnus. On its right is the Pelican nebula (IC 5070). Image made in combining the light from 3 different filters tracing emission from oxygen (blue), hydrogen (green), and sulphur (red)

Sebastian Voltmer

PIX4620475

Nebula IC 2948 in Centaurus - Nebula IC 2948 and IC 2944 in Centaurus - Nebula IC 2948 is a vast nebula located about 6000 years from Earth in the southern constellation of Centaurus. 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. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). Between the Southern Cross and the rich Carina region, on the southern border of Centaurus, is a large, almost featureless emission nebula, IC 2948, with a sprinkling of bright stars, Collinder 249. It is against this uniform, backdrop that we see a brighter region (IC 2944) which hosts small group of dark clouds of the kind known as 'Bok globules'. They are named for the Dutch - American astronomer who first drew attention to them as the possible sites of star formation.

Nebula IC 2948 in Centaurus - Nebula IC 2948 and IC 2944 in Centaurus - Nebula IC 2948 is a vast nebula located about 6000 years from Earth in the southern constellation of Centaurus. 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. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). Between the Southern Cross and the rich Carina region, on the southern border of Centaurus, is a large, almost featureless emission nebula, IC 2948, with a sprinkling of bright stars, Collinder 249. It is against this uniform, backdrop that we see a brighter region (IC 2944) which hosts small group of dark clouds of the kind known as 'Bok globules'. They are named for the Dutch - American astronomer who first drew attention to them as the possible sites of star formation.

Tom Davis

PIX4622599

Leda Planitia is a plain located in the northern hemisphere of Venus. On this radar image obtained by the Magellan probe in 1991 appear in clear clear old terrain, fractures. The 40 km diameter Heloise impact crater is visible at the bottom of the picture - This false color Magellan image shows a portion of Leda Planitia (plains) in the northern hemisphere of Venus, centered at 41 degrees north latitude, 52 degrees east longitude. The area is 220 kilometers (135 miles) wide and 275 kilometers (170 miles) long. This image was produced from Magellan radar data collected in Cycle 2 of the mission. Cycle 2 was completed January 15, 1992. This image contains examples of several of the major geologic terrains on Venus and illustrates the basic stratigraphy or sequence of geologic events. The oldest terrains appear as bright, high-fractured or chaotic highlands rising out of the plains. This is seen in the upper left, or northwest, quadrant of the image. The chaotic highlands, sometimes calle

Leda Planitia is a plain located in the northern hemisphere of Venus. On this radar image obtained by the Magellan probe in 1991 appear in clear clear old terrain, fractures. The 40 km diameter Heloise impact crater is visible at the bottom of the picture - This false color Magellan image shows a portion of Leda Planitia (plains) in the northern hemisphere of Venus, centered at 41 degrees north latitude, 52 degrees east longitude. The area is 220 kilometers (135 miles) wide and 275 kilometers (170 miles) long. This image was produced from Magellan radar data collected in Cycle 2 of the mission. Cycle 2 was completed January 15, 1992. This image contains examples of several of the major geologic terrains on Venus and illustrates the basic stratigraphy or sequence of geologic events. The oldest terrains appear as bright, high-fractured or chaotic highlands rising out of the plains. This is seen in the upper left, or northwest, quadrant of the image. The chaotic highlands, sometimes calle

PIX4635230

Prosthetic eyes (glass eyes in wooden box)

Prosthetic eyes (glass eyes in wooden box)

American School, (20th century)

SMT1216953

The Gamma ray sky - The Gamma ray sky - A map of the whole sky seen in gamma rays by the Fermi Gamma-Ray Space Telescope (FGST) satellite. All-sky image seen in gamma ray showing the glowing gas of the Milky Way, blinking pulsars, and a flaring galaxy billions of light-years away. The map combines 95 hours of the Fermi Gamma-Ray Space Telescope (FGST) instrument's “” first light”” observations. FGST has been launched on June 11 2008

The Gamma ray sky - The Gamma ray sky - A map of the whole sky seen in gamma rays by the Fermi Gamma-Ray Space Telescope (FGST) satellite. All-sky image seen in gamma ray showing the glowing gas of the Milky Way, blinking pulsars, and a flaring galaxy billions of light-years away. The map combines 95 hours of the Fermi Gamma-Ray Space Telescope (FGST) instrument's “” first light”” observations. FGST has been launched on June 11 2008

PIX4637976

The Gamma ray sky - The Gamma ray sky - Map of the whole sky seen in gamma rays by the Fermi Gamma-Ray Space Telescope (FGST) satellite from August 4 to October 30, 2008. The strongest sources of gamma radiation are legendeed here. All-sky image seen in gamma ray showing the glowing gas of the Milky Way, blinking pulsars, and galaxies billions of light-years away. The all-sky image released today shows us how the cosmos would look if our eyes could detect radiation 150 million times more energetic than visible light. The view merges Large Area Telescope (LAT) on Fermi Gamma-ray Space Telescope (FGST) observations spanning 87 days, from August 4 to October 30, 2008. The top five sources within our galaxy are: The sun. Now near the minimum of its activity cycle, the sun would not be a particularly notable source except for one thing: It's the only one that moves across the sky. The sun's annual motion against the background sky is a reflection of Earth's orbit around the sun. LSI+61 303.

The Gamma ray sky - The Gamma ray sky - Map of the whole sky seen in gamma rays by the Fermi Gamma-Ray Space Telescope (FGST) satellite from August 4 to October 30, 2008. The strongest sources of gamma radiation are legendeed here. All-sky image seen in gamma ray showing the glowing gas of the Milky Way, blinking pulsars, and galaxies billions of light-years away. The all-sky image released today shows us how the cosmos would look if our eyes could detect radiation 150 million times more energetic than visible light. The view merges Large Area Telescope (LAT) on Fermi Gamma-ray Space Telescope (FGST) observations spanning 87 days, from August 4 to October 30, 2008. The top five sources within our galaxy are: The sun. Now near the minimum of its activity cycle, the sun would not be a particularly notable source except for one thing: It's the only one that moves across the sky. The sun's annual motion against the background sky is a reflection of Earth's orbit around the sun. LSI+61 303.

PIX4638007

The Gamma ray sky - The Gamma ray sky - A map of the whole sky seen in gamma rays by the Fermi Gamma-Ray Space Telescope (FGST) satellite. All-sky image seen in gamma ray showing the glowing gas of the Milky Way, blinking pulsars, and a flaring galaxy billions of light-years away. The map combines 95 hours of the Fermi Gamma-Ray Space Telescope (FGST) instrument's “” first light”” observations. FGST has been launched on June 11 2008

The Gamma ray sky - The Gamma ray sky - A map of the whole sky seen in gamma rays by the Fermi Gamma-Ray Space Telescope (FGST) satellite. All-sky image seen in gamma ray showing the glowing gas of the Milky Way, blinking pulsars, and a flaring galaxy billions of light-years away. The map combines 95 hours of the Fermi Gamma-Ray Space Telescope (FGST) instrument's “” first light”” observations. FGST has been launched on June 11 2008

PIX4637990

Nebula Trifide (M20) in the constellation Sagittarius - Trifid nebula (M20) in Sagittarius - View of the Trifide nebula (M20/NGC 6514) located in the constellation Sagittarius between 5000 and 10,000 years - light from Earth. Image obtained by combining light through 3 different filters that highlight oxygen, hydrogen, and sulfur. Trifid is located in Sagittarius constellation between 5000 and 10 000 light - years away. Composite image from Hubble space telescope and Subaru data sources. Narrowband composite H - alpha, OIII, SII

Nebula Trifide (M20) in the constellation Sagittarius - Trifid nebula (M20) in Sagittarius - View of the Trifide nebula (M20/NGC 6514) located in the constellation Sagittarius between 5000 and 10,000 years - light from Earth. Image obtained by combining light through 3 different filters that highlight oxygen, hydrogen, and sulfur. Trifid is located in Sagittarius constellation between 5000 and 10 000 light - years away. Composite image from Hubble space telescope and Subaru data sources. Narrowband composite H - alpha, OIII, SII

PIX4619542

Nebula NGC 3372 in the Carene in false colours - NGC 3372 Carina nebula - Image of the nebula of the Carene (NGC 3372), a very vast region of star formation, obtained by combining light through 3 different filters that highlight oxygen in blue, hydrogen in green, and sulfur in red. The colors also represent different gas temperatures, warm, blue, colder in red. The bright star in the center of the image is Eta Carinae, a super massive star. Image obtained with the Curtis - Schmidt telescope of the Cerro Tololo Observatory. This image shows a giant star - forming region in the southern sky known as the Carina Nebula (NGC 3372), combining the light from 3 different filters tracing emission from oxygen (blue), hydrogen (green), and sulphur (red). The color is also representative of the temperature in the ionized gas: blue is relatively hot and red is cooler. The Carina Nebula is a good example of how very massive stars rip apart the molecular clouds that give birth to them. The bright sta

Nebula NGC 3372 in the Carene in false colours - NGC 3372 Carina nebula - Image of the nebula of the Carene (NGC 3372), a very vast region of star formation, obtained by combining light through 3 different filters that highlight oxygen in blue, hydrogen in green, and sulfur in red. The colors also represent different gas temperatures, warm, blue, colder in red. The bright star in the center of the image is Eta Carinae, a super massive star. Image obtained with the Curtis - Schmidt telescope of the Cerro Tololo Observatory. This image shows a giant star - forming region in the southern sky known as the Carina Nebula (NGC 3372), combining the light from 3 different filters tracing emission from oxygen (blue), hydrogen (green), and sulphur (red). The color is also representative of the temperature in the ionized gas: blue is relatively hot and red is cooler. The Carina Nebula is a good example of how very massive stars rip apart the molecular clouds that give birth to them. The bright sta

PIX4618865

Nebula of the Rosette in the Unicorn - Rosette nebula in Monoceros - The nebula of the Rosette is a vast cloud of dust and gas situated about 5500 years - light from the Earth. In the center of the nebula, a cluster of blue stars, NGC 2244, formed less than a million years ago. Image obtained by combining light through 3 different filters that highlight oxygen, hydrogen, and sulfur. The Rosetta Nebula in the constellation Monoceros (the Unicorn) is a vast cloud of dust and gas, extending over an area of more than 1 degree across, or about 5 times the area covered by the full moon. Its parts have been assigned different NGC numbers: 2237, 2238, 2239, and 2246. Within the nebula, open star cluster NGC 2244 is situated, consisted of the young stars which recently formed from the nebula's material, and the brightest of which make the nebula shine by exciting its atoms to emit radiation. Issue - line image presented here in false color

Nebula of the Rosette in the Unicorn - Rosette nebula in Monoceros - The nebula of the Rosette is a vast cloud of dust and gas situated about 5500 years - light from the Earth. In the center of the nebula, a cluster of blue stars, NGC 2244, formed less than a million years ago. Image obtained by combining light through 3 different filters that highlight oxygen, hydrogen, and sulfur. The Rosetta Nebula in the constellation Monoceros (the Unicorn) is a vast cloud of dust and gas, extending over an area of more than 1 degree across, or about 5 times the area covered by the full moon. Its parts have been assigned different NGC numbers: 2237, 2238, 2239, and 2246. Within the nebula, open star cluster NGC 2244 is situated, consisted of the young stars which recently formed from the nebula's material, and the brightest of which make the nebula shine by exciting its atoms to emit radiation. Issue - line image presented here in false color

PIX4618513

Nebula NGC 281 in Cassiopee - Nebula NGC 281 in Cassiopeia - NGC 281 is a star-forming region about 10,000 light years away from Earth in the constellation Cassiopee. At the center of this nebula is the cluster of stars IC 1590 whose stars are only a few million years old. A composite of X-ray images obtained by the Chandra Space Telescope in purple and infrared by Spitzer in red green and blue. High - mass stars are important because they are responsible for much of the energy pumped into our galaxy over its lifetime. Unfortunately, these stars are poorly understood because they are often found relatively far away and can be obscured by gas and dust. The star cluster NGC 281 is an exception to this rule. It is located about 6,500 light years from Earth and, remarkably, almost 1,000 light years above the plane of the galaxy, giving astronomers a nearly unfettered view of the star formation within IT.This composite image of NGC 281 contains X - ray data from Chandra, in purple, with inf

Nebula NGC 281 in Cassiopee - Nebula NGC 281 in Cassiopeia - NGC 281 is a star-forming region about 10,000 light years away from Earth in the constellation Cassiopee. At the center of this nebula is the cluster of stars IC 1590 whose stars are only a few million years old. A composite of X-ray images obtained by the Chandra Space Telescope in purple and infrared by Spitzer in red green and blue. High - mass stars are important because they are responsible for much of the energy pumped into our galaxy over its lifetime. Unfortunately, these stars are poorly understood because they are often found relatively far away and can be obscured by gas and dust. The star cluster NGC 281 is an exception to this rule. It is located about 6,500 light years from Earth and, remarkably, almost 1,000 light years above the plane of the galaxy, giving astronomers a nearly unfettered view of the star formation within IT.This composite image of NGC 281 contains X - ray data from Chandra, in purple, with inf

PIX4617483

Nebula NGC 3372 in the Carene in fake colors - NGC 3372 Carina nebula in narrow band - The nebula of the Carene is located about 8000 years - light from Earth. It is home to many hot stars, including the massive star Eta Carinae in the centre of the nebula. Image obtained by the 1.2m Schmidt UK Telescope of Siding Spring through 3 different filters that highlight oxygen, hydrogen, and sulfur. Although no bright naked - eye stars are associated with the Carina nebula now, 150 years ago there blazed forth here one of the most unusual and peculiar stars ever seen. The star is known as Eta Carinae and for a few months in 1843 it was the second or third brightest star in the sky. Since then it has faded and is today about 1000 times fainter than it was at its brightest as the nebula it created during its outburst has cooled and become opaque. The whole region around Eta Carinae is rich in hot stars of which Eta is an extreme example and it is their combined radiation that produces the spect

Nebula NGC 3372 in the Carene in fake colors - NGC 3372 Carina nebula in narrow band - The nebula of the Carene is located about 8000 years - light from Earth. It is home to many hot stars, including the massive star Eta Carinae in the centre of the nebula. Image obtained by the 1.2m Schmidt UK Telescope of Siding Spring through 3 different filters that highlight oxygen, hydrogen, and sulfur. Although no bright naked - eye stars are associated with the Carina nebula now, 150 years ago there blazed forth here one of the most unusual and peculiar stars ever seen. The star is known as Eta Carinae and for a few months in 1843 it was the second or third brightest star in the sky. Since then it has faded and is today about 1000 times fainter than it was at its brightest as the nebula it created during its outburst has cooled and become opaque. The whole region around Eta Carinae is rich in hot stars of which Eta is an extreme example and it is their combined radiation that produces the spect

PIX4619010

Nebula NGC 6188 in the Altar - NGC 6188 nebula in Ara - Nebula NGC 6188 is located about 4000 years from Earth. It is home to a cluster of young stars NGC 6193, formed three million years ago. Lower left, nebula NGC 6164. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). NGC 6188 is a red emission nebula located in southern constellation of Ara, about 4000 light years away. Inside of it, a young 3 million year star cluster. NGC 6193. The hottest stars of the cluster, two closely spaced O - type giants HD 150135 and HD 150136, (the bright stars in the image) are the illumination source of the emission nebula. Bottom left is the nebula NGC 6164. This image is in the classic “” Hubble palette”” where SII is assigned to red, H - alpha to green, and OIII to blue. RGB frames were taken for star colors

Nebula NGC 6188 in the Altar - NGC 6188 nebula in Ara - Nebula NGC 6188 is located about 4000 years from Earth. It is home to a cluster of young stars NGC 6193, formed three million years ago. Lower left, nebula NGC 6164. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). NGC 6188 is a red emission nebula located in southern constellation of Ara, about 4000 light years away. Inside of it, a young 3 million year star cluster. NGC 6193. The hottest stars of the cluster, two closely spaced O - type giants HD 150135 and HD 150136, (the bright stars in the image) are the illumination source of the emission nebula. Bottom left is the nebula NGC 6164. This image is in the classic “” Hubble palette”” where SII is assigned to red, H - alpha to green, and OIII to blue. RGB frames were taken for star colors

Tom Davis

PIX4619330

Nebula IC 4628 in Scorpio - Nebula IC 4628 in Scorpius - Nebula has a low light emission, IC 4628 (or Gum 56) is alongside the open cluster Collinder 316, which houses many young hot stars. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). This beautiful, arc - like rim of nebulosity is in the far southern sky, out of sight from most of the USA and Europe. It is quite faint and has often been overlooked because of it, even by southern observers. However, it is in a rich region in Scorpius. This richness is reflected in the number of names associated with the objects in the field illustrated here. There is a large scattered star cluster, Collinder 316 which extends over most of the picture. It encloses Trumpler 24, more or less the same cluster under another name, and all of this is part of the Sco OB1 association, a much larger gathering of very hot, intrinsically luminous stars in this part of the sky. The nebula itself is als

Nebula IC 4628 in Scorpio - Nebula IC 4628 in Scorpius - Nebula has a low light emission, IC 4628 (or Gum 56) is alongside the open cluster Collinder 316, which houses many young hot stars. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). This beautiful, arc - like rim of nebulosity is in the far southern sky, out of sight from most of the USA and Europe. It is quite faint and has often been overlooked because of it, even by southern observers. However, it is in a rich region in Scorpius. This richness is reflected in the number of names associated with the objects in the field illustrated here. There is a large scattered star cluster, Collinder 316 which extends over most of the picture. It encloses Trumpler 24, more or less the same cluster under another name, and all of this is part of the Sco OB1 association, a much larger gathering of very hot, intrinsically luminous stars in this part of the sky. The nebula itself is als

Tom Davis

PIX4622673

Palm islands, Dubai 10/2002 - Palm islands, artificial islands built on the coast of the Emirates of Dubai. False colour image obtained by the Terra satellite in October 2002. The vegetation appears in red, the water in dark blue, the constructions in light blue or grey, the desert in beige. This image, acquired in October 2002 by Terra satellite, shows the early stages of Palm Jumeirah, also known as The Palm”” in Dubai. The circular outline of the archipelago is largely completed, and the palm fronds are beginning to take shape. Inland, cityscape begins to push eastward into the desert, with a combination of roads and buildings. The conspicuously vegetated area southeast of Palm Jumeirah is a golf course. East of this course, however, the land is mostly undeveloped desert. In this false - color image, bare ground appears light brown, vegetation appears red, water appears dark blue, and buildings and paved surfaces appear light blue or gray. The United Arab Emirates falls within the E

Palm islands, Dubai 10/2002 - Palm islands, artificial islands built on the coast of the Emirates of Dubai. False colour image obtained by the Terra satellite in October 2002. The vegetation appears in red, the water in dark blue, the constructions in light blue or grey, the desert in beige. This image, acquired in October 2002 by Terra satellite, shows the early stages of Palm Jumeirah, also known as The Palm”” in Dubai. The circular outline of the archipelago is largely completed, and the palm fronds are beginning to take shape. Inland, cityscape begins to push eastward into the desert, with a combination of roads and buildings. The conspicuously vegetated area southeast of Palm Jumeirah is a golf course. East of this course, however, the land is mostly undeveloped desert. In this false - color image, bare ground appears light brown, vegetation appears red, water appears dark blue, and buildings and paved surfaces appear light blue or gray. The United Arab Emirates falls within the E

PIX4660143

Palm islands, Dubai 11/2008 - Palm islands, the artificial islands built on the coast of the Emirates of Dubai. False colour image obtained by Terra satellite in November 2008. The vegetation appears in red, the water in dark blue, the constructions in light blue or grey, the desert in beige. To be compared with the image t - aseau - 00005 taken in 2002 to appreciate the urbanization of this region. This image, acquired in November 2008 by Terra satellite, shows Palm Jumeirah, also known as The Palm”” in Dubai. in November 2008. In this false - color image, bare ground appears light brown, vegetation appears red, water appears dark blue, and buildings and paved surfaces appear light blue or gray. To compare with the image t - aseau - 00005 taken in 2002 to see the development of the city.

Palm islands, Dubai 11/2008 - Palm islands, the artificial islands built on the coast of the Emirates of Dubai. False colour image obtained by Terra satellite in November 2008. The vegetation appears in red, the water in dark blue, the constructions in light blue or grey, the desert in beige. To be compared with the image t - aseau - 00005 taken in 2002 to appreciate the urbanization of this region. This image, acquired in November 2008 by Terra satellite, shows Palm Jumeirah, also known as The Palm”” in Dubai. in November 2008. In this false - color image, bare ground appears light brown, vegetation appears red, water appears dark blue, and buildings and paved surfaces appear light blue or gray. To compare with the image t - aseau - 00005 taken in 2002 to see the development of the city.

PIX4660155

Statue of Liberty Replica

Statue of Liberty Replica

Paule Saviano

SAO3858314

Lusi mud volcano on Java Island - Lusi mud flow seen from space - The Lusi mud volcano (Sidoarjo) erupted in May 2006 and its flows continue to expand. Comparison of two satellite photos taken on August 24, 2004, on the left, and on November 11, 2008, on the right. On these false-coloured images obtained by the Terra satellite, the vegetation appears in red, the mud of the volcano in grey. On May 29, 2006, a mud volcano began erupting in a densely populated area in eastern Java, Indonesia. In the months that followed, the Sidoarjo mud flow (also known as the Lapindo mud flow, or Lusi) showed no signs of slowing, and mitigation efforts such as dropping chains of concrete balls down the crater proved ineffective. By June 2008, the massive mud lake spawned by this eruption had smothered a dozen villages and displaced some 30,000 residents. The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on Nasa's Terra satellite acquired these images on November 11, 2008, (right

Lusi mud volcano on Java Island - Lusi mud flow seen from space - The Lusi mud volcano (Sidoarjo) erupted in May 2006 and its flows continue to expand. Comparison of two satellite photos taken on August 24, 2004, on the left, and on November 11, 2008, on the right. On these false-coloured images obtained by the Terra satellite, the vegetation appears in red, the mud of the volcano in grey. On May 29, 2006, a mud volcano began erupting in a densely populated area in eastern Java, Indonesia. In the months that followed, the Sidoarjo mud flow (also known as the Lapindo mud flow, or Lusi) showed no signs of slowing, and mitigation efforts such as dropping chains of concrete balls down the crater proved ineffective. By June 2008, the massive mud lake spawned by this eruption had smothered a dozen villages and displaced some 30,000 residents. The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on Nasa's Terra satellite acquired these images on November 11, 2008, (right

PIX4660901

Tibet: Lhasa satellite view - Lhasa in Tibet seen from space - The capital of Tibet, Lhasa seen by the Terra satellite on November 24, 2005. Located at 3650 meters above sea level on the Tibet plateau, Lhasa is one of the highest cities in the world. On this image in perspective, seen in false colours, vegetation appears in red, mountains in brown, dwellings and infrastructure in grey. With an elevation of 3,650 meters (11,975 feet), Lhasa, the administrative capital of the Tibet Autonomous Region in China, is one of the highest elevation cities in the world. The city fills a flat river valley nestled in the ranges of the Himalaya Mountains in southern China. This image taken on November 24, 2005 from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on Nasa's Terra satellite, provides a three - dimensional view of the landscape created from the instrument's stereo sensors. False color image in which plant - covered land is red, man - made surfaces tend to be s

Tibet: Lhasa satellite view - Lhasa in Tibet seen from space - The capital of Tibet, Lhasa seen by the Terra satellite on November 24, 2005. Located at 3650 meters above sea level on the Tibet plateau, Lhasa is one of the highest cities in the world. On this image in perspective, seen in false colours, vegetation appears in red, mountains in brown, dwellings and infrastructure in grey. With an elevation of 3,650 meters (11,975 feet), Lhasa, the administrative capital of the Tibet Autonomous Region in China, is one of the highest elevation cities in the world. The city fills a flat river valley nestled in the ranges of the Himalaya Mountains in southern China. This image taken on November 24, 2005 from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on Nasa's Terra satellite, provides a three - dimensional view of the landscape created from the instrument's stereo sensors. False color image in which plant - covered land is red, man - made surfaces tend to be s

PIX4661506

Eagle Nebula (IC 4703) and M16 star cluster in the Snake - M16, The Eagle Nebula in Serpens - The M16 star cluster is a cluster of young stars from 7000 years - light, formed about 2 million years ago in the Eagle nebula, IC 4703. These stars are much warmer than the Sun and can be 30 times more massive. Image obtained by combining light through 3 different filters that highlight oxygen, hydrogen, and sulfur. Messier 16 is a cluster of young stars which formed about 2 million years ago from the gas and dust which still surrounds them. Brilliant blue stars of this type are much hotter than the Sun and can be up to thirty times more massive. The dark intrusions visible across the face of the nebula are condensations of dusty material which might one day collapse into yet more stars, should they survive the radiation from the bright stars, which is gradually etching them away. Bright red regions of photo - ionised hydrogen such as M16 are usually found in the spiral arms of galaxies and a

Eagle Nebula (IC 4703) and M16 star cluster in the Snake - M16, The Eagle Nebula in Serpens - The M16 star cluster is a cluster of young stars from 7000 years - light, formed about 2 million years ago in the Eagle nebula, IC 4703. These stars are much warmer than the Sun and can be 30 times more massive. Image obtained by combining light through 3 different filters that highlight oxygen, hydrogen, and sulfur. Messier 16 is a cluster of young stars which formed about 2 million years ago from the gas and dust which still surrounds them. Brilliant blue stars of this type are much hotter than the Sun and can be up to thirty times more massive. The dark intrusions visible across the face of the nebula are condensations of dusty material which might one day collapse into yet more stars, should they survive the radiation from the bright stars, which is gradually etching them away. Bright red regions of photo - ionised hydrogen such as M16 are usually found in the spiral arms of galaxies and a

PIX4620021

Selenga Delta - Mongolia - Russia - The Selenge River delta - The Selenga River delta observed by the Landsat satellite - 5 on 23/08/2010. The Mongolian river flows into Lake Baikal by a delta of 546 km2. The Selenge River delta near the border between Russia and Mongolia. Adjacent to the delta, as the river feeds Lake Baikal, are recently cultivated agricultural fields (noted by the geometric patterns) and lowland shrubs and grasslands. The maze of blue tones identifies the channels as the river covers low lands and swamps. Landsat - 5 image taken on August 23 2010

Selenga Delta - Mongolia - Russia - The Selenge River delta - The Selenga River delta observed by the Landsat satellite - 5 on 23/08/2010. The Mongolian river flows into Lake Baikal by a delta of 546 km2. The Selenge River delta near the border between Russia and Mongolia. Adjacent to the delta, as the river feeds Lake Baikal, are recently cultivated agricultural fields (noted by the geometric patterns) and lowland shrubs and grasslands. The maze of blue tones identifies the channels as the river covers low lands and swamps. Landsat - 5 image taken on August 23 2010

PIX4661427

Dubai Growth 2000 - 2010 - Urbanization of Dubai - 2000 to 2010

Dubai Growth 2000 - 2010 - Urbanization of Dubai - 2000 to 2010

PIX4660208

Nebula of the Rosette in the Unicorn seen in false colors - Rosette nebula in Monoceros - The nebula of the Rosette is a vast cloud of dust and gas situated about 5500 years - light from the Earth. In the center of the nebula, a cluster of blue stars, NGC 2244, formed less than a million years ago. Image in false colors obtained by Kitt Peak's 90 cm telescope. The Rosetta Nebula is a vast cloud of dust and gas, extending over an area of more than 1 degree across, or about 5 times the area covered by the full moon. Its parts have been assigned different NGC numbers: 2237, 2238, 2239, and 2246. Within the nebula, open star cluster NGC 2244 is situated, consisted of the young stars which recently formed from the nebula's material, and the brightest of which make the nebula shine by exciting its atoms to emit radiation. This stunning emission - line image of the Rosette nebula (NGC2237) in the constellation Monoceros (the Unicorn) was taken at the National Science Foundation's 0.9 - m tele

Nebula of the Rosette in the Unicorn seen in false colors - Rosette nebula in Monoceros - The nebula of the Rosette is a vast cloud of dust and gas situated about 5500 years - light from the Earth. In the center of the nebula, a cluster of blue stars, NGC 2244, formed less than a million years ago. Image in false colors obtained by Kitt Peak's 90 cm telescope. The Rosetta Nebula is a vast cloud of dust and gas, extending over an area of more than 1 degree across, or about 5 times the area covered by the full moon. Its parts have been assigned different NGC numbers: 2237, 2238, 2239, and 2246. Within the nebula, open star cluster NGC 2244 is situated, consisted of the young stars which recently formed from the nebula's material, and the brightest of which make the nebula shine by exciting its atoms to emit radiation. This stunning emission - line image of the Rosette nebula (NGC2237) in the constellation Monoceros (the Unicorn) was taken at the National Science Foundation's 0.9 - m tele

PIX4618453

Nebula IC 2177 in the Unicorn - IC 2177 The Seagull nebula - IC 2177, is a large emission nebula located at the edge of the constellations of the Unicorn and the Great Dog. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). IC 2177, also known as the Eagle or Seagull Nebula, is a large emission nebulosity located on the border between Monoceros and Canis Major, about 7.5 degrees northeast of Sirius. This image is in the classic “” Hubble palette”” where SII is assigned to red, H - alpha to green, and OIII to blue. RGB frames were taken for star colors

Nebula IC 2177 in the Unicorn - IC 2177 The Seagull nebula - IC 2177, is a large emission nebula located at the edge of the constellations of the Unicorn and the Great Dog. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). IC 2177, also known as the Eagle or Seagull Nebula, is a large emission nebulosity located on the border between Monoceros and Canis Major, about 7.5 degrees northeast of Sirius. This image is in the classic “” Hubble palette”” where SII is assigned to red, H - alpha to green, and OIII to blue. RGB frames were taken for star colors

Tom Davis

PIX4622528

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