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Addition DateSort Ascending Target Mission Instrument Size
Add Image to Favorite List 2014-11-25 Mars Mars Science Laboratory (MSL)
Mastcam
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This view from NASA's Curiosity Mars rover shows a swath of bedrock called 'Alexander Hills,' which the rover approached for close-up inspection of selected targets. It is a mosaic of six frames taken on Nov. 23, 2014.
PIA19066:
Within Rover's Reach at Mars Target Area 'Alexander Hills'
Full Resolution:     TIFF (35.19 MB)     JPEG (1.442 MB)
Add Image to Favorite List 2014-11-25 Mars 2001 Mars Odyssey
THEMIS
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The linear graben in this image from NASA's 2001 Mars Odyssey spacecraft are part of Claritas Fossae.
PIA18959:
Claritas Fossae
Full Resolution:     TIFF (944.6 kB)     JPEG (109.6 kB)
Add Image to Favorite List 2014-11-24 Mercury MESSENGER
MDIS - Narrow Angle
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Balanchine's Serenade
PIA18965:
Balanchine's Serenade
Full Resolution:     TIFF (9.616 MB)     JPEG (212.3 kB)
Add Image to Favorite List 2014-11-24 Earth Terra
ASTER
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This image from NASA's Terra spacecraft shows Ellesmere Island, which is part of the Qikiqtaaluk Region of the Canadian territory of Nunavut, with the most northerly point of land in Canada.
PIA18966:
Ellesmere Island, Canada
Full Resolution:     TIFF (41.78 MB)     JPEG (1.927 MB)
Add Image to Favorite List 2014-11-24 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft illustrates the complex surface of the polar cap, featuring not just different surface textures, but ridges and valleys as well.
PIA18957:
South Polar Cap
Full Resolution:     TIFF (2.556 MB)     JPEG (340.6 kB)
Add Image to Favorite List 2014-11-24 S Rings Cassini-Huygens
ISS - Wide Angle
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NASA's Cassini orbiter shows Saturn is circled by its rings (nearly edge-on in this image), as well as by the moons Tethys (the large bright body near the lower right corner) and Mimas (seen as a slight crescent against Saturn's disk above the rings).
PIA18288:
Circling Saturn
Full Resolution:     TIFF (1.05 MB)     JPEG (66.38 kB)
Add Image to Favorite List 2014-11-21 Comet Rosetta
ROLIS
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A 3D image shows what it would look like to fly over the surface of comet 67P/Churyumov-Gerasimenko. The image was generated by data collected by ESA's Philae spacecraft during the decent to the spacecraft's initial touchdown on the comet Nov. 12, 2014.
PIA18898:
Rosetta Comet in 3-D
Full Resolution:     TIFF (2.503 MB)     JPEG (93.83 kB)
Add Image to Favorite List 2014-11-21 Europa Galileo
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The puzzling, fascinating surface of Jupiter's icy moon Europa looms large in this newly-reprocessed color view, made from images taken by NASA's Galileo spacecraft in the late 1990s.
PIA19048:
Europa's Stunning Surface
Full Resolution:     TIFF (11.73 MB)     JPEG (363.4 kB)
Add Image to Favorite List 2014-11-21 Mercury MESSENGER
MDIS - Narrow Angle
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Get Ready for an Adventure!
PIA18964:
Get Ready for an Adventure!
Full Resolution:     TIFF (9.186 MB)     JPEG (165.5 kB)
Add Image to Favorite List 2014-11-21 Mars 2001 Mars Odyssey
THEMIS
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The linear features in this image from NASA's 2001 Mars Odyssey spacecraft are graben (fault bounded depressions). The graben are part of Sirenum Fossae.
PIA18956:
Sirenum Fossae
Full Resolution:     TIFF (3.55 MB)     JPEG (447.7 kB)
Add Image to Favorite List 2014-11-20 Mars 2001 Mars Odyssey
THEMIS
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This image of the south polar cap captured by NASA's 2001 Mars Odyssey spacecraft shows many different surface textures as well as layering.
PIA18955:
South Polar Textures
Full Resolution:     TIFF (2.599 MB)     JPEG (298.4 kB)
Add Image to Favorite List 2014-11-19 Mercury MESSENGER
Mercury Dual Imaging System (MDIS)
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Water Ice Data Exploration (WIDE) Tool
PIA18958:
Water Ice Data Exploration (WIDE) Tool
Full Resolution:     TIFF (1.439 MB)     JPEG (120.9 kB)
Add Image to Favorite List 2014-11-19 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows a small section of Reull Vallis.
PIA18954:
Reull Vallis
Full Resolution:     TIFF (3.557 MB)     JPEG (358 kB)
Add Image to Favorite List 2014-11-18 Mars Mars Science Laboratory (MSL)
Navcam (MSL)
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This northeast-facing view from the lower edge of the pale 'Pahrump Hills' outcrop at the base of Mount Sharp includes wind-sculpted ripples of sand and dust in the middle ground. It was taken by Curiosity's Navcam on Nov. 13, 2014.
PIA18883:
Ripples Beside 'Pahrump Hills' Outcrop at Base of Mount Sharp
Full Resolution:     TIFF (1.05 MB)     JPEG (179.2 kB)
Add Image to Favorite List 2014-11-18 Mars Mars Science Laboratory (MSL)
Mastcam
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A wheel track cuts through a windblown ripple of dusty sand in this Nov. 7, 2014, image from the Mastcam on NASA's Curiosity rover. The view spans about four feet across.
PIA18882:
Ripple's Interior Exposed by Rover Wheel Track
Full Resolution:     TIFF (61.52 MB)     JPEG (2.514 MB)
Add Image to Favorite List 2014-11-18 Mars Mars Science Laboratory (MSL)
Mastcam
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This patch of Martian bedrock, about 2 feet (70 centimeters) across, is finely layered rock with some pea-size inclusions. It lies near the lowest point of the 'Pahrump Hills' outcrop, which forms part of the basal layer of Mount Sharp.
PIA18881:
Fine-Grained, Finely Layered Rock at Base of Martian Mount Sharp
Full Resolution:     TIFF (35.19 MB)     JPEG (1.45 MB)
Add Image to Favorite List 2014-11-18 Mars Mars Science Laboratory (MSL)
Mastcam
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This small ridge, about 3 feet long, appears to resist wind erosion more than the flatter plates around it. Such differences are among the traits NASA's Curiosity Mars rover is examining at selected rock targets at the base of Mount Sharp.
PIA18880:
Erosion Resistance at 'Pink Cliffs' at Base of Martian Mount Sharp
Full Resolution:     TIFF (13.81 MB)     JPEG (1.094 MB)
Add Image to Favorite List 2014-11-18 Comet Rosetta
OSIRIS
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The descent of its comet lander Philae was captured by ESA's Rosetta spacecraft's main camera as the lander approached -- and then rebounded off -- the comet's surface.
PIA18897:
Rosetta Lander Captured Before/After Bounce
Full Resolution:     TIFF (7.042 MB)     JPEG (331.6 kB)
Add Image to Favorite List 2014-11-18 Mars Mars Exploration Rover (MER)
Microscopic Imager
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This close-up view of a target rock called 'Last Chance' was acquired by NASA's Mars rover Opportunity on March 3, 2004 of Opportunity's work on Mars. The embedded spherules evident in this image were nicknamed 'blueberries.'
PIA18885:
Clues to Wet History in Texture of a Martian Rock
Full Resolution:     TIFF (1.884 MB)     JPEG (198.2 kB)
Add Image to Favorite List 2014-11-18 Mars 2001 Mars Odyssey
THEMIS
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The linear graben in this image from NASA's 2001 Mars Odyssey spacecraft are all part of Claritas Fossae.
PIA18953:
Claritas Fossae
Full Resolution:     TIFF (3.528 MB)     JPEG (331.9 kB)
Add Image to Favorite List 2014-11-17 Vesta Dawn
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This graphic shows the geologic time scale of asteroid Vesta derived from geologic mapping.
PIA18789:
Geological Time Scale of Vesta
Full Resolution:     TIFF (2.906 MB)     JPEG (101.6 kB)
Add Image to Favorite List 2014-11-17 Vesta Dawn
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This high-resolution geological map of Vesta is derived from NASA's Dawn spacecraft data.
PIA18788:
Geological Map of Vesta
Full Resolution:     TIFF (14.26 MB)     JPEG (1.029 MB)
Add Image to Favorite List 2014-11-17 Mercury MESSENGER
MDIS - Wide Angle
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Permanent Darkness
PIA18951:
Permanent Darkness
Full Resolution:     TIFF (1.304 MB)     JPEG (181.9 kB)
Add Image to Favorite List 2014-11-17 Mars 2001 Mars Odyssey
THEMIS
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Numerous channels dissect the rim of Lohse Crater, as shown in this image captured by NASA's 2001 Mars Odyssey spacecraft.
PIA18952:
Lohse Crater
Full Resolution:     TIFF (3.579 MB)     JPEG (276.6 kB)
Add Image to Favorite List 2014-11-17 InSight
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Technicians in a Lockheed Martin clean room near Denver prepare NASA's InSight Mars lander for propulsion proof and leak testing on Oct. 31, 2014. Following the test, the lander was moved to another clean room for start of the mission's ATLO phase.
PIA18884:
Work on NASA's InSight Lander Starts New Phase
Full Resolution:     TIFF (28.12 MB)     JPEG (1.208 MB)
Add Image to Favorite List 2014-11-17 S Rings Cassini-Huygens
ISS - Narrow Angle
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Nature is an artist, and this time she seems to have let her paints swirl together a bit. What the viewer might perceive to be Saturn's surface captured by NASA's Cassini orbiter is really just the tops of its uppermost cloud layers.
PIA18290:
Mixing Paints
Full Resolution:     TIFF (1.042 MB)     JPEG (73.22 kB)
Add Image to Favorite List 2014-11-14 Mercury MESSENGER
MDIS - Wide Angle
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Van Eyck and the Formation
PIA18950:
Van Eyck and the Formation
Full Resolution:     TIFF (3.063 MB)     JPEG (414.3 kB)
Add Image to Favorite List 2014-11-14 Mars 2001 Mars Odyssey
THEMIS
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The numerous small depressions seen in this image captured by NASA's 2001 Mars Odyssey spacecraft of the south polar cap are informally called swiss cheese.
PIA18949:
South Polar Textures
Full Resolution:     TIFF (679.4 kB)     JPEG (179.1 kB)
Add Image to Favorite List 2014-11-13 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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A significant event has occurred in Inca City. The layer of seasonal ice has started to develop long cracks as evidenced by NASA's Mars Reconnaissance Orbiter.
PIA18896:
Spring in Inca City V
Full Resolution:     TIFF (15.56 MB)     JPEG (452.8 kB)
Add Image to Favorite List 2014-11-13 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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At certain times in spring, fans take on a gray or blue appearance. This is the time in Inca City when this phenomenon happens, as seen in this image acquired by NASA's Mars Reconnaissance Orbiter.
PIA18895:
Spring in Inca City IV
Full Resolution:     TIFF (15.56 MB)     JPEG (667.2 kB)
Add Image to Favorite List 2014-11-13 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This image, acquired by NASA's Mars Reconnaissance Orbiter, shows there are a few more fans on the ridge as spring activity progresses in Inca City.
PIA18894:
Spring in Inca City III
Full Resolution:     TIFF (15.56 MB)     JPEG (730.6 kB)
Add Image to Favorite List 2014-11-13 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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The season is officially spring on Mars in Inca City. This image was acquired by NASA's Mars Reconnaissance Orbiter. Large blotches of dust cover the araneiforms.
PIA18893:
Spring in Inca City II
Full Resolution:     TIFF (15.56 MB)     JPEG (680.1 kB)
Add Image to Favorite List 2014-11-13 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This was the first image to be acquired by NASA's Mars Reconnaissance Orbiter after the sun rose on Inca City, marking the end to polar night. A few fans are visible emerging from the araneiforms.
PIA18892:
Spring in Inca City I
Full Resolution:     TIFF (15.56 MB)     JPEG (748.4 kB)
Add Image to Favorite List 2014-11-13 Comet Rosetta
CIVA
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The Philae lander of Europe's Rosetta mission has returned the first panoramic image from the surface of a comet. The unprocessed panorama from the lander's CIVA-P camera shows a 360-degree view around the point of final touchdown.
PIA18879:
First Panoramic View from Comet Lander
Full Resolution:     TIFF (2.574 MB)     JPEG (193.2 kB)
Add Image to Favorite List 2014-11-13 Comet Rosetta
ROLIS
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This image was taken by the Philae lander of the European Space Agency's Rosetta mission when it was about 130 feet (40 meters) above the surface of comet 67P/Churyumov-Gerasimenko during descent to the surface on Nov. 12, 2014.
PIA18878:
Comet from 40 Meters
Full Resolution:     TIFF (429.7 kB)     JPEG (66.4 kB)
Add Image to Favorite List 2014-11-13 Comet Rosetta
OSIRIS
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This frame from an animated sequence shows the Rosetta mission's Philae lander descending toward comet 67P/Churyumov-Gerasimenko (not in frame) on Nov. 12, 2014. The images are from the OSIRIS narrow-angle camera on the ESA's Rosetta orbiter.
PIA18877:
Descent to the Surface of a Comet Animation Icon
Full Resolution:     TIFF (160.4 kB)     JPEG (3.961 kB)
Add Image to Favorite List 2014-11-13 Comet Rosetta
CIVA
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The Philae lander of the European Space Agency's Rosetta mission is safely on the surface of Comet 67P/Churyumov-Gerasimenko, as these first two images from the lander's CIVA camera confirm. One of the lander's three feet can be seen in the foreground.
PIA18876:
Welcome to a Comet, from Lander on Surface
Full Resolution:     TIFF (4.362 MB)     JPEG (407.8 kB)
Add Image to Favorite List 2014-11-13 Comet Rosetta
OSIRIS
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This image of comet 67P/Churyumov-Gerasimenko marks the first touchdown point of the Philae lander of the European Space Agency's Rosetta mission. The image was taken by on Sept. 14, 2104, nearly two months before Philae's Nov. 12 landing.
PIA18875:
First Touchdown Site of Comet Lander
Full Resolution:     TIFF (12.59 MB)     JPEG (754 kB)
Add Image to Favorite List 2014-11-13 Mars 2001 Mars Odyssey
THEMIS
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The large complex channel in the center of this image captured by NASA's 2001 Mars Odyssey spacecraft is called Mangala Valles.
PIA18948:
Mangala Valles
Full Resolution:     TIFF (1.676 MB)     JPEG (99.34 kB)
Add Image to Favorite List 2014-11-12 Comet Rosetta
ROLIS
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This image of comet 67P/Churyumov-Gerasimenko was taken by the Philae lander of the European Space Agency's Rosetta mission during Philae's descent toward the comet on Nov. 12, 2014 from a distance of approximate two miles (three kilometers).
PIA18874:
View of Comet from Lander During Descent
Full Resolution:     TIFF (650.4 kB)     JPEG (85.17 kB)
Add Image to Favorite List 2014-11-12 Comet Rosetta
OSIRIS
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The Onboard Scientific Imaging System (OSIRIS) on the European Space Agency's Rosetta spacecraft captured this parting shot of the mission's Philae lander after its separation from the mother ship on Nov. 12, 2014.
PIA18873:
Farewell, Philae
Full Resolution:     TIFF (1.711 MB)     JPEG (24.46 kB)
Add Image to Favorite List 2014-11-12 Comet Rosetta
CIVA
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The Philae lander of the European Space Agency's Rosetta mission took this self-portrait of the spacecraft on Sept. 7, 2014, at a distance of about 10 miles (16 kilometers) from comet 67P/Churyumov-Gerasimenko.
PIA18871:
Rosetta Mission Selfie at 10 Miles
Full Resolution:     TIFF (1.05 MB)     JPEG (73.84 kB)
Add Image to Favorite List 2014-11-12 Comet Rosetta
CIVA
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The Philae lander of the European Space Agency's Rosetta mission took this parting shot of its mother ship, Rosetta, shortly after separation on Nov. 12, 2014. The image was taken with the lander's CIVA-P imaging system.
PIA18870:
Farewell Shot of Rosetta by Philae Lander
Full Resolution:     TIFF (1.05 MB)     JPEG (64.24 kB)
Add Image to Favorite List 2014-11-12 Mercury MESSENGER
MDIS - Narrow Angle
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Despair and Tenderness
PIA18946:
Despair and Tenderness
Full Resolution:     TIFF (1.102 MB)     JPEG (130.6 kB)
Add Image to Favorite List 2014-11-12 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows a portion of Angustus Labyrinthus on Mars.
PIA18947:
Angustus Labyrinthus 2
Full Resolution:     TIFF (700.6 kB)     JPEG (60.94 kB)
Add Image to Favorite List 2014-11-11 Comet Rosetta
Rosetta NAVCAM
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Some relatively rough terrain on the nucleus of comet 67P/Churyumov-Gerasimenko appears in this image taken by the navigation camera on the European Space Agency's Rosetta spacecraft in the second half of October 2014.
PIA18869:
Rough Terrain on Rosetta's Destination Comet
Full Resolution:     TIFF (1.05 MB)     JPEG (173.4 kB)
Add Image to Favorite List 2014-11-11 Comet Rosetta
Rosetta NAVCAM
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A patch of relatively smooth ground on the nucleus surface of comet 67P/Churyumov-Gerasimenko appears in this image taken by the navigation camera on the European Space Agency's Rosetta spacecraft in October 2014.
PIA18868:
Smooth Ground on Rosetta's Destination Comet
Full Resolution:     TIFF (1.05 MB)     JPEG (173.2 kB)
Add Image to Favorite List 2014-11-11 Comet Rosetta
Rosetta NAVCAM
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A jagged horizon of the nucleus of comet 67P/Churyumov-Gerasimenko appears in this image taken by the navigation camera on the ESA's Rosetta spacecraft during the second half of October 2014.
PIA18867:
Jagged Horizon on Rosetta's Destination Comet
Full Resolution:     TIFF (1.05 MB)     JPEG (135.2 kB)
Add Image to Favorite List 2014-11-11 Mars 2001 Mars Odyssey
THEMIS
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The intersecting ridges in this image from NASA's 2001 Mars Odyssey spacecraft are part of Angustus Labyrinthus, informally called Inca City.
PIA18942:
Angustus Laybrinthus
Full Resolution:     TIFF (2.641 MB)     JPEG (163.6 kB)
Add Image to Favorite List 2014-11-11 Comet Rosetta
CIVA
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The Philae lander of the European Space Agency's Rosetta mission took this self-portrait of the spacecraft on Sept. 7, 2014, at a distance of about 30 miles (50 kilometers) from comet 67P/Churyumov-Gerasimenko.
PIA18872:
Rosetta Mission Selfie at 30 Miles
Full Resolution:     TIFF (1.05 MB)     JPEG (82.29 kB)
Add Image to Favorite List 2014-11-10 Mars Mars Exploration Rover (MER)
MAVEN
Navigation Camera
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The first demonstration of NASA's MAVEN Mars orbiter's capability to relay data from a Mars surface mission, on Nov. 6, 2014, included this image, taken Oct. 23, 2014, by Curiosity's Navigation Camera, showing part of 'Pahrump Hills' outcrop.
PIA18866:
Image Relayed by MAVEN Mars Orbiter from Curiosity Mars Rover
Full Resolution:     TIFF (1.05 MB)     JPEG (255.2 kB)
Add Image to Favorite List 2014-11-10 Titan Cassini-Huygens
Radar Mapper
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NASA's Cassini's radar instrument images show that a bright feature appeared in Kraken Mare, Titan's largest sea.
PIA19047:
Bright Feature Appears in Titan's Kraken Mare
Full Resolution:     TIFF (1.093 MB)     JPEG (64.03 kB)
Add Image to Favorite List 2014-11-10 Titan Cassini-Huygens
Radar Mapper
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NASA's Cassini radar data reveal the depth of a liquid methane/ethane sea on Saturn's moon Titan near the mouth of a large, flooded river valley.
PIA19046:
Plumbing Coastal Depths in Titan's Kraken Mare
Full Resolution:     TIFF (4.322 MB)     JPEG (276.3 kB)
Add Image to Favorite List 2014-11-10 Spitzer Space Telescope
Spitzer Space Telescope
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This diagram illustrates two similar star systems, HD 95086 and HR 8799. Evidence from NASA's Spitzer Space Telescope has pointed to the presence of two dust belts in each system.
PIA18900:
Sibling Star Systems? Dust Structures Suggest So
Full Resolution:     TIFF (39.62 MB)     JPEG (590.8 kB)
Add Image to Favorite List 2014-11-10 Mercury MESSENGER
MDIS - Narrow Angle
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Sculpted Rim and Floor
PIA18945:
Sculpted Rim and Floor
Full Resolution:     TIFF (4.376 MB)     JPEG (350.1 kB)
Add Image to Favorite List 2014-11-10 Mars 2001 Mars Odyssey
THEMIS
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The hills and depressions in this image captured by NASA's 2001 Mars Odyssey spacecraft are part of Cavi Angusti.
PIA18941:
Cavi Angusti
Full Resolution:     TIFF (2.883 MB)     JPEG (199 kB)
Add Image to Favorite List 2014-11-10 S Rings Cassini-Huygens
ISS - Wide Angle
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A new day dawns on Saturn as the part of the planet is seen emerging once more into the Sun's light by NASA's Cassini orbiter. With an estimated rotation period of 10 hours and 40 minutes, Saturn's days and nights are much shorter than those on Earth.
PIA18289:
Sunrise on Saturn
Full Resolution:     TIFF (1.046 MB)     JPEG (29.46 kB)
Add Image to Favorite List 2014-11-07 Comet Rosetta
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This artist's concept of the Rosetta mission's Philae lander on the surface of comet 67P/Churyumov-Gerasimenko, is from an animation showing the upcoming deployment of Philae and its subsequent science operations on the surface of the comet.
PIA18891:
Philae's Descent and Science of the Surface
Full Resolution:     TIFF (4.326 MB)     JPEG (141.8 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This frame from an animated artist's rendering begins with NASA's Mars Reconnaissance Orbiter spacecraft above Mars. The movie then transitions to a sequence of HiRISE images of the comet taken as it flew past Mars.
PIA19045:
Mars Orbiter Observes Comet Siding Spring (Animation) Animation Icon
Full Resolution:     TIFF (2.734 MB)     JPEG (36.37 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This frame from a movie sequence of images from NASA's Mars Reconnaissance Orbiter (MRO) shows comet C/2013 A1 Siding Spring before and after its close pass by Mars in October 2014. False color enhances subtle variations in brightness in the comet's coma.
PIA19044:
Mars-Flyby Comet in False Color Animation Icon
Full Resolution:     TIFF (1.013 MB)     JPEG (77.35 kB)
Add Image to Favorite List 2014-11-07 Mercury MESSENGER
MDIS - Narrow Angle
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Textured Terrain
PIA18944:
Textured Terrain
Full Resolution:     TIFF (262.6 kB)     JPEG (29.11 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Reconnaissance Orbiter (MRO)
CRISM
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The Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) aboard NASA's Mars Reconnaissance Orbiter obtained this spectrum for comet C/2013 A1 Siding Spring during the comet's close approach to Mars.
PIA18865:
Mars-Orbiting Spectrometer Shows Dusty Comet's Spectrum
Full Resolution:     TIFF (4.475 MB)     JPEG (94.77 kB)
Add Image to Favorite List 2014-11-07 Mars MAVEN
Imaging Ultraviolet Spectrograph (IUVS)
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This graphic depicts what Mars' atmosphere would have looked like to a viewer with ultraviolet-seeing eyes after a meteor shower on Oct. 19, 2014.
PIA18864:
Emission from Ionized Magnesium in Mars' Atmosphere After Comet Flyby
Full Resolution:     TIFF (6.767 MB)     JPEG (150.6 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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Five images of comet Siding Spring taken within a 35-minute period as it passed near Mars on Oct. 19, 2014, provide information about the size of the comet's nucleus. The images were acquired by the HiRISE camera on NASA's Mars Reconnaissance Orbiter.
PIA18863:
Mars Orbiter Sizes Up Passing Comet
Full Resolution:     TIFF (1.911 MB)     JPEG (66.52 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This graph shows changes in apparent brightness of comet C/2013 A1 Siding Spring as it approached and receded from Mars, as seen by the HiRISE camera on NASA's Mars Reconnaissance Orbiter. The pattern suggests the comet rotates once every eight hours.
PIA18862:
Brightness Rhythm of Mars Flyby Comet Is Clue to Rotation Rate
Full Resolution:     TIFF (759 kB)     JPEG (58.15 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Reconnaissance Orbiter (MRO)
Shallow Subsurface Radar (SHARAD)
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A comparison of two radargrams from the SHARAD instrument on NASA's Mars Reconnaissance Orbiter shows effects on the Martian ionosphere from the close passage of a comet.
PIA18861:
Radar Indication of Effect of Comet Flyby on Martian Ionosphere
Full Resolution:     TIFF (4.714 MB)     JPEG (192.9 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Express (MEX)
Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS)
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These plots portray data from radar sounding of Mars' mid-latitude ionosphere at three times on Oct. 19 and 20, 2014. The data are from the MARSIS instrument on the European Space Agency's Mars Express orbiter.
PIA18860:
Change in Mars' Mid-Latitude Ionosphere After Comet Flyby
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Add Image to Favorite List 2014-11-07 Mars Mars Express (MEX)
Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS)
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These spectrograms from the MARSIS instrument on the European Space Agency's Mars Express orbiter show the intensity of radar echo in Mars' far-northern ionosphere at three times on Oct. 19 and 20, 2014.
PIA18859:
Radar-Detected Change in Martian Near-Polar Ionosphere After Comet's Flyby
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Add Image to Favorite List 2014-11-07 Mars MAVEN
Neutral Gas and Ion Mass Spectrometer
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These eight graphs present data from the Neutral Gas and Ion Mass Spectrometer on NASA's MAVEN orbiter identifying ions of different metals added to the Martian atmosphere shortly after comet C/2013 A1 Siding Spring sped close to Mars.
PIA18858:
Ions of Eight Metals from Comet Dust Detected in Mars Atmosphere
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Add Image to Favorite List 2014-11-07 Mars MAVEN
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The places where the red line on this graph extends higher than the blue line show detection of metals added to the Martian atmosphere from dust particles released by a passing comet on Oct. 19, 2014. The graphed data are from NASA's MAVEN spacecraft.
PIA18857:
Comet Meteor Shower Put Magnesium and Iron into Martian Atmosphere
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Add Image to Favorite List 2014-11-07 Mars MAVEN
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This artist's concept depicts the Imaging Ultraviolet Spectrograph (IUVS) on NASA's MAVEN spacecraft scanning the upper atmosphere of Mars. IUVS uses limb scans to map the chemical makeup and vertical structure across Mars' upper atmosphere.
PIA18856:
Artist's Concept of MAVEN's Imaging Ultraviolet Spectrograph at Work
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Add Image to Favorite List 2014-11-07 Mars 2001 Mars Odyssey
THEMIS
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The lava flows in this image from NASA's 2001 Mars Odyssey spacecraft are part of Solis Planum.
PIA18940:
Solis Planum
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Add Image to Favorite List 2014-11-06 Comet Rosetta
OSIRIS
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This image of comet 67P/Churyumov-Gerasimenko was obtained on October 30, 2014 by the OSIRIS scientific imaging system on the Rosetta spacecraft. The saturation of the image allows the viewer to see some surface structures on 'dark side' of the comet.
PIA19042:
Dark Side of Comet 67P/Churyumov-Gerasimenko (Saturated)
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Add Image to Favorite List 2014-11-06 Comet Rosetta
OSIRIS
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This is a rare glance at the dark side of comet 67P/Churyumov-Gerasimenko. Light backscattered from dust particles in the comet's coma reveals a hint of surface structures. This image was taken by OSIRIS, Rosetta's scientific imaging system.
PIA19041:
Rare Glance at Dark Side of Comet 67P/Churyumov-Gerasimenko
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Add Image to Favorite List 2014-11-06 Comet Rosetta
OSIRIS
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This image of comet 67P/Churyumov-Gerasimenko was obtained on October 30, 2014 by the OSIRIS scientific imaging system on the Rosetta spacecraft. The right half is obscured by darkness.
PIA19040:
Dark Side of Comet 67P/Churyumov-Gerasimenko
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Add Image to Favorite List 2014-11-06 CIBER
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This plot shows data from the Cosmic Infrared Background Experiment, or CIBER, rockets launched in 2010 and 2012. The experiment measures a diffuse glow of infrared light in the sky, known as the cosmic infrared background.
PIA18855:
Background Light 'Bluer' Than Expected
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Add Image to Favorite List 2014-11-06 CIBER
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This graphic illustrates how the Cosmic Infrared Background Experiment, or CIBER, team measures a diffuse glow of infrared light filling the spaces between galaxies. The glow does not come from any known stars and galaxies.
PIA18854:
Masking Out Galaxies
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Add Image to Favorite List 2014-11-06 CIBER
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A time-lapse photograph of the CIBER rocket launch, taken from NASA's Wallops Flight Facility in Virginia in 2013. This was the last of four launches of the Cosmic Infrared Background Experiment (CIBER).
PIA18853:
CIBER Launch
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Add Image to Favorite List 2014-11-06 CIBER
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This artist's concept shows a view of a number of galaxies sitting in huge halos of stars. The stars are too distant to be seen individually and instead are seen as a diffuse glow, colored yellow in this illustration.
PIA18852:
Stray Stars Scattered in Space (Artist Concept)
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Add Image to Favorite List 2014-11-06 CIBER
Hubble Space Telescope
Spitzer Space Telescope
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Our sky is filled with a diffuse background glow, known as the cosmic infrared background. Much of the light is from galaxies we know about, but previous Spitzer measurements have shown an extra component of unknown origin.
PIA18851:
First Stars or Stray Stars? A Cosmic Infrared Mystery
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Add Image to Favorite List 2014-11-06 CIBER
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Observations from NASA's Cosmic Infrared Background Experiment, or CIBER, have shown a surprising surplus of infrared light filling the spaces between galaxies.
PIA18850:
Measuring the Tip of Cosmic Icebergs
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Add Image to Favorite List 2014-11-06 CIBER
CIBER
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These images from the Cosmic Infrared Background Experiment, or CIBER, show large patches of the sky at two different infrared wavelengths (1.1 microns and 1.6 microns) after all known galaxies have been subtracted out and the images smoothed.
PIA18849:
Matching Patterns of Light
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Add Image to Favorite List 2014-11-06 Mars 2001 Mars Odyssey
THEMIS
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This image from NASA's 2001 Mars Odyssey spacecraft shows both part of the volcanic flows of Daedalia Planum (top half) and the tectonic features of Memnonia Fossae (bottom half).
PIA18937:
Volcanics and Tectonics
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Add Image to Favorite List 2014-11-06 Mars Mars Science Laboratory (MSL)
Mastcam
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This image from an animiation of comet C/2013 A1 Siding Spring were taken by the Mast Camera (Mastcam) on NASA's Curiosity Mars rover as the comet passed near the red planet on Oct. 19, 2014.
PIA19043:
Mars Curiosity Rover Views Comet Siding Spring Animation Icon
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Add Image to Favorite List 2014-11-05 Mercury MESSENGER
MDIS - Narrow Angle
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It's Not My Fault
PIA18943:
It's Not My Fault
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Add Image to Favorite List 2014-11-05 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft crosses both Tithonium and Ius Chasma.
PIA18936:
Tithonium and Ius Chasmata
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Add Image to Favorite List 2014-11-04 Tethys Cassini-Huygens
Imaging Science Subsystem
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This set of global, color mosaics of Saturn's moon Tethys was produced from images taken by NASA's Cassini spacecraft during its first ten years exploring the Saturn system.
PIA18439:
Color Maps of Tethys - 2014
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Add Image to Favorite List 2014-11-04 Rhea Cassini-Huygens
Imaging Science Subsystem
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This set of global, color mosaics of Saturn's moon Rhea was produced from images taken by NASA's Cassini spacecraft during its first ten years exploring the Saturn system.
PIA18438:
Color Maps of Rhea - 2014
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Add Image to Favorite List 2014-11-04 Mimas Cassini-Huygens
Imaging Science Subsystem
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This set of global, color mosaics of Saturn's moon Mimas was produced from images taken by NASA's Cassini spacecraft during its first ten years exploring the Saturn system.
PIA18437:
Color Maps of Mimas - 2014
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Add Image to Favorite List 2014-11-04 Iapetus Cassini-Huygens
Imaging Science Subsystem
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This set of global, color mosaics of Saturn's moon Iapetus was produced from images taken by NASA's Cassini spacecraft during its first ten years exploring the Saturn system.
PIA18436:
Color Maps of Iapetus - 2014
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Add Image to Favorite List 2014-11-04 Enceladus Cassini-Huygens
Imaging Science Subsystem
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This set of global, color mosaics of Saturn's moon Enceladus was produced from images taken by NASA's Cassini spacecraft during its first ten years exploring the Saturn system.
PIA18435:
Color Maps of Enceladus - 2014
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Add Image to Favorite List 2014-11-04 Dione Cassini-Huygens
Imaging Science Subsystem
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This set of global, color mosaics of Saturn's moon Dione taken by NASA's Cassini spacecraft during its first ten years exploring the Saturn system; obvious feature on the maps is the difference in color and brightness between the two hemispheres.
PIA18434:
Color Maps of Dione - 2014
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Add Image to Favorite List 2014-11-04 Mars Mars Science Laboratory (MSL)
Mastcam
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This view shows the path and some key places in a survey of the 'Pahrump Hills' outcrop by NASA's Curiosity Mars rover in autumn of 2014. The outcrop is at the base of Mount Sharp within Gale Crater.
PIA19039:
Mars Rover Curiosity's Walkabout at 'Pahrump Hills'
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Add Image to Favorite List 2014-11-04 Mars Mars Science Laboratory (MSL)
CheMin
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This side-by-side comparison shows the X-ray diffraction patterns of two different samples collected from rocks on Mars by NASA's Curiosity rover. The images present data obtained by Curiosity's Chemistry and Mineralogy instrument (CheMin).
PIA19038:
Signature of Hematite in 'Confidence Hills' Martian Rock
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Add Image to Favorite List 2014-11-04 Mars Mars Science Laboratory (MSL)
Mastcam
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This image from NASA's Curiosity rover shows a sample of powdered rock extracted by the rover's drill from the 'Confidence Hills' target -- the first rock drilled after Curiosity reached the base of Mount Sharp in September 2014.
PIA19037:
'Confidence Hills' Drill Powder in Scoop
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Add Image to Favorite List 2014-11-04 Mars Mars Science Laboratory (MSL)
Mastcam
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This image shows the first holes drilled by NASA's Mars rover Curiosity at Mount Sharp. The loose material near the drill holes is drill tailings and an accumulation of dust that slid down the rock during drilling.
PIA19036:
'Confidence Hills' -- The First Mount Sharp Drilling Site
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Add Image to Favorite List 2014-11-04 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows layering in the south polar cap.
PIA18770:
South Polar Layers
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Add Image to Favorite List 2014-11-03 Mercury MESSENGER
MDIS - Wide Angle
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On the Cutting Edge
PIA18939:
On the Cutting Edge
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Add Image to Favorite List 2014-11-03 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows a portion of the northern cliff face and complex floor deposits of Ophir Chasma.
PIA18769:
Ophir Chasma
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Add Image to Favorite List 2014-11-03 Titan Cassini-Huygens
ISS - Wide Angle
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The view from NASA's Cassini orbiter shows Titan's crescent nearly encircling Saturn's disk due to the small haze particles high in its atmosphere refracting the incoming light of the distant Sun.
PIA18291:
Mimicking the Moon
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