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List		 Addition DateSort Ascending Target Mission Instrument Size
Add Image to Favorite List 2017-02-08 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter reveals an impact crater, nine kilometers in diameter, with a central peak. Impact craters of various sizes and ages can be found across the Martian surface.
PIA08395:
A Nine Kilometer Impact Crater and Its Central Peak
Full Resolution:     TIFF (15.56 MB)     JPEG (1.096 MB)
Add Image to Favorite List 2017-02-08 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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NASA's Mars Reconnaissance Orbiter has been observing Mars in sharp detail for more than a decade, enabling it to document many types of changes, such as the way winds alter the appearance of this recent impact site.
PIA21267:
Mars Reconnaissance Orbiter Observes Changes Animation Icon
Full Resolution:     TIFF (2.19 MB)     JPEG (494.5 kB)
Add Image to Favorite List 2017-02-07 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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The dark spots in this enhanced-color infrared image from NASA's Mars Reconnaissance Orbiter are the recent impact craters that occurred in the Tharsis region between 2008 and 2014.
PIA11176:
A Recent Cluster of Impacts
Full Resolution:     TIFF (11.27 MB)     JPEG (583.1 kB)
Add Image to Favorite List 2017-02-03 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Gullies are relatively common features in the steep slopes of crater walls, possibly formed by dry debris flows, movement of carbon dioxide frost, or perhaps the melting of ground ice, as seen by NASA's Mars Reconnaissance Orbiter.
PIA11178:
The Contrasting Colors of Crater Dunes and Gullies
Full Resolution:     TIFF (40.52 MB)     JPEG (2.41 MB)
Add Image to Favorite List 2017-02-02 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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NASA's Mars Reconnaissance Orbiter observed a small portion of a dark crater floor in the Tyrrhena Terra region of Mars. This is largely ancient hard bedrock that has been cratered by numerous impacts over the eons.
PIA11179:
Hard Knocks in Tyrrhena Terra
Full Resolution:     TIFF (40.52 MB)     JPEG (2.694 MB)
Add Image to Favorite List 2017-02-01 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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NASA's Mars Reconnaissance Orbiter captured this image of impact ejecta, a material that is thrown up and out of the surface of a planet as a result of the impact of an meteorite, asteroid or comet.
PIA11180:
Raining Rocks
Full Resolution:     TIFF (40.52 MB)     JPEG (2.174 MB)
Add Image to Favorite List 2017-02-01 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image was taken by NASA's Mars Reconnaissance Orbiter during the Martian northern summer, thus there is no frost present on the dunes.
PIA11181:
Dunes in Northern Summer
Full Resolution:     TIFF (14.91 MB)     JPEG (580.3 kB)
Add Image to Favorite List 2017-01-27 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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In the South Polar region of Mars this type of terrain may be covered by a seasonal polar cap composed of dry ice, as seen by NASA's Mars Reconnaissance Orbiter.
PIA11238:
Rectangles with Wiggly Sides
Full Resolution:     TIFF (40.52 MB)     JPEG (2.842 MB)
Add Image to Favorite List 2017-01-26 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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NASA's Mars Reconnaissance Orbiter captured this image of Hebrus Valles, located in the plains of the Northern lowlands, just west of the Elysium volcanic region.
PIA11704:
Pits and Channels of Hebrus Valles
Full Resolution:     TIFF (13.52 MB)     JPEG (2.535 MB)
Add Image to Favorite List 2017-01-25 Earth Mars Reconnaissance Orbiter (MRO)
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This photograph from northwestern New Mexico shows a ridge roughly 30 feet (about 10 meters) tall that formed from lava filling an underground fracture then resisting erosion better than the material around it did.
PIA21266:
'Wing' Dike of Hardened Lava in New Mexico
Full Resolution:     TIFF (39.07 MB)     JPEG (1.569 MB)
Add Image to Favorite List 2017-01-25 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This anaglyph from NASA's Mars Reconnaissance Orbiter shows part of Gordi Dorsum in the Medusae Fossae region of Mars, shows part of an area on Mars where narrow rock ridges, some as tall as a 16-story building.
PIA21265:
Blade-Like Martian Walls Outline Polygons (Stereo)
Full Resolution:     TIFF (5.31 MB)     JPEG (331.2 kB)
Add Image to Favorite List 2017-01-25 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image from NASA's Mars Reconnaissance Orbiter shows part of Gordi Dorsum in the Medusae Fossae region of Mars, where narrow rock ridges, some as tall as a 16-story building, intersect at angles forming corners of polygons.
PIA21264:
Blade-Like Martian Walls Outline Polygons
Full Resolution:     TIFF (5.927 MB)     JPEG (271.4 kB)
Add Image to Favorite List 2017-01-25 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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In this image from NASA's Mars Reconnaissance Orbiter is an old degraded crater that has undergone a complex history of burial and erosion. At least two types of exposed bedrock are shown here.
PIA11705:
Contact between Two Distinct Types of Bedrock Northwest of Hellas Planitia
Full Resolution:     TIFF (15.56 MB)     JPEG (998.8 kB)
Add Image to Favorite List 2017-01-24 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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NASA's Mars Reconnaissance Orbiter spies a layer of dry ice covering Mars' south polar layer. In the spring, gas created from heating of the dry ice escapes through ruptures in the overlying seasonal ice, entraining material from the ground below.
PIA11706:
How Gas Carves Channels
Full Resolution:     TIFF (40.52 MB)     JPEG (2.754 MB)
Add Image to Favorite List 2017-01-20 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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The layered bedrock in this image was brought from several kilometers of depth during the formation of this 44 kilometer wide crater in the volcanic plains of Lunae Planum as seen by NASA's Mars Reconnaissance Orbiter.
PIA12178:
The Beauty of Layered Stratigraphy
Full Resolution:     TIFF (40.52 MB)     JPEG (2.705 MB)
Add Image to Favorite List 2017-01-19 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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The large dark feature is a classic Martian sand dune on Wirtz Crater as seen by NASA's Mars Reconnaissance Orbiter.
PIA12289:
The Changing Dunes of Wirtz Crater
Full Resolution:     TIFF (40.52 MB)     JPEG (2.437 MB)
Add Image to Favorite List 2017-01-18 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This color composite from NASA's Mars Reconnaissance Orbiter shows an example of bedrock that may originate from as deep as 2 miles beneath the surface.
PIA12291:
Bedrock Exhumed from the Deep
Full Resolution:     TIFF (38.2 MB)     JPEG (2.161 MB)
Add Image to Favorite List 2017-01-17 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Impact craters form when an asteroid, meteoroid, or comet crashes into a planet's surface, causing an explosion. This impact crater is a little less than 3 kilometers in diameter as seen by NASA's Mars Reconnaissance Orbiter.
PIA12328:
Crater with Exposed Layers
Full Resolution:     TIFF (40.16 MB)     JPEG (2.299 MB)
Add Image to Favorite List 2017-01-13 Mars Mars Reconnaissance Orbiter (MRO)
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This image captured by NASA's Mars Reconnaissance Orbiter shows ancient highland channels in Eridania Valley.
PIA12968:
Smooth and Fractured Deposits in Eridania Valleys
Full Resolution:     TIFF (15.56 MB)     JPEG (1.203 MB)
Add Image to Favorite List 2017-01-12 Mars Mars Reconnaissance Orbiter (MRO)
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This image of a well-preserved unnamed elliptical crater in Terra Sabaea, captured by NASA's Mars Reconnaissance Orbiter, shows the complexity of ejecta deposits forming as a by-product of the impact process that shapes much of the surface of Mars.
PIA13078:
Well-Preserved Impact Ejecta and Impact Melt-Rich Deposits in Terra Sabaea
Full Resolution:     TIFF (15.02 MB)     JPEG (785.4 kB)
Add Image to Favorite List 2017-01-11 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Southern spring on Mars brings sublimation of the seasonal dry ice polar cap as seen by NASA's Mars Reconnaissance Orbiter.
PIA13151:
Wide, Branching Channels
Full Resolution:     TIFF (15.56 MB)     JPEG (1.306 MB)
Add Image to Favorite List 2017-01-10 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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NASA's Mars Reconnaissance Orbiter spied this small 2 kilometer-wide crater when a meteoroid struck the ground just to the west and created a new, larger crater (not shown).
PIA13181:
Muddy Ejecta Flow
Full Resolution:     TIFF (5.191 MB)     JPEG (1.387 MB)
Add Image to Favorite List 2017-01-09 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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The western Utopia Planitia in the Northern mid-latitudes of Mars is marked by a peculiar type of depression with scalloped edges and by a network of polygonal fractures as seen by NASA's Mars Reconnaissance Orbiter.
PIA13485:
Eroded Scallops with Layers
Full Resolution:     TIFF (15.56 MB)     JPEG (1.153 MB)
Add Image to Favorite List 2017-01-06 Earth Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This composite image of Earth and its moon, as seen from Mars, combines the best Earth image with the best moon image from four sets of images acquired on Nov. 20, 2016, by NASA's Mars Reconnaissance Orbiter. Mars was about 127 million miles from Earth.
PIA21260:
Earth and Its Moon, as Seen From Mars
Full Resolution:     TIFF (213.9 kB)     JPEG (7.02 kB)
Add Image to Favorite List 2017-01-05 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Large impact craters have central hills or mountains, because the tremendous shock waves from the impact first compresses the ground, then causes a rebound when it becomes uncompressed. This image is from NASA's Mars Reconnaissance Orbiter.
PIA15149:
Raised Bedrock in Terra Cimmeria
Full Resolution:     TIFF (15.56 MB)     JPEG (734 kB)
Add Image to Favorite List 2017-01-03 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Over 300 meters of layered beds are exposed in this trough of Noctis Labyrinthus, at the western edge of Valles Marineris, as observed by NASA's Mars Reconnaissance Orbiter.
PIA14455:
Light-Toned Layering in a Labyrinthus Noctis Pit
Full Resolution:     TIFF (15.56 MB)     JPEG (1.026 MB)
Add Image to Favorite List 2017-01-02 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Impact craters expose the subsurface materials on steep slopes in this image observed by NASA's Mars Reconnaissance Orbiter.
PIA14454:
Hues in a Crater Slope
Full Resolution:     TIFF (15.56 MB)     JPEG (743.1 kB)
Add Image to Favorite List 2016-12-21 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This crater on Mars, observed by NASA's Mars Reconnaissance Orbiter, was named after Dr. Gerald A. Soffen (February 7, 1926 - November 22, 2000), and this image covers a small portion of the crater floor.
PIA14453:
Soffen Crater Floor
Full Resolution:     TIFF (15.56 MB)     JPEG (692.6 kB)
Add Image to Favorite List 2016-12-21 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This terrain, as seen by NASA's Mars Reconnaissance Orbiter, looks like lumpy sediment on top of patterned ground. The lumpy sediment is likely just loosely consolidated because it is covered with spidery channels.
PIA14452:
Spiders on Mounds
Full Resolution:     TIFF (15.56 MB)     JPEG (1.445 MB)
Add Image to Favorite List 2016-12-21 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Some seasonal ice on Mars is transparent so that the sunlight penetrates to the bottom of the ice, as shown in this image from NASA's Mars Reconnaissance Orbiter.
PIA14451:
Lace on Mars
Full Resolution:     TIFF (5.191 MB)     JPEG (1.415 MB)
Add Image to Favorite List 2016-12-21 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image of a southern mid-latitude crater was intended to investigate the lineated material on the crater floor. NASA's Mars Reconnaissance Orbiter reveals a landscape peppered by small impact craters.
PIA14450:
Secondary Craters
Full Resolution:     TIFF (13.96 MB)     JPEG (384.2 kB)
Add Image to Favorite List 2016-12-20 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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These five images from the HiRISE camera on NASA's Mars Reconnaissance Orbiter show different Martian features of progressively greater size and complexity.
PIA21258:
Possible Development Stages of Martian 'Spiders'
Full Resolution:     TIFF (5.708 MB)     JPEG (557 kB)
Add Image to Favorite List 2016-12-20 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image from NASA's Mars Reconnaissance Orbiter shows the growth of a branching network of troughs carved by thawing carbon dioxide over the span of three Martian years.
PIA21257:
'Baby Spider': Growth of a Martian Trough Network Animation Icon
Full Resolution:     TIFF (111.8 kB)     JPEG (24.75 kB)
Add Image to Favorite List 2016-12-14 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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NASA's Mars Reconnaissance Orbiter spies Capri Chasma, located in the eastern portion of the Valles Marineris canyon system, the largest known canyon system in the Solar System.
PIA21274:
Hematite-Rich Deposits in Capri Chasma
Full Resolution:     TIFF (13.86 MB)     JPEG (446.5 kB)
Add Image to Favorite List 2016-12-14 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image captured by NASA's Mars Reconnaissance Orbiter, shows the floor of Suzhi Crater, an approximately 25-kilometer diameter impact crater located northeast of Hellas Planitia.
PIA21273:
Possible Layers on Floor of Suzhi Crater
Full Resolution:     TIFF (15.56 MB)     JPEG (998.8 kB)
Add Image to Favorite List 2016-12-14 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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The image from NASA's Mars Reconnaissance Orbiter, shows a region we see many slope streaks, typically dark features on slopes in the equatorial regions on Mars.
PIA21272:
Slope Streaks or RSL?
Full Resolution:     TIFF (4.836 MB)     JPEG (569.6 kB)
Add Image to Favorite List 2016-12-14 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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In this image captured by NASA's Mars Reconnaissance Orbiter, the terrain is covered with a seasonal layer of dry ice.
PIA21271:
Fans on Crater Rims
Full Resolution:     TIFF (5.191 MB)     JPEG (1.075 MB)
Add Image to Favorite List 2016-12-13 Mars Mars Reconnaissance Orbiter (MRO)
Mars Science Laboratory (MSL)
 HiRISE
MAHLI
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This graphic maps locations of the sites where NASA's Curiosity collected its first 19 rock or soil samples for analysis by laboratory instruments inside the vehicle. It also presents images of the drilled holes where 15 rock-powder samples were acquired.
PIA21254:
Curiosity's Rock or Soil Sampling Sites on Mars, Through November 2016
Full Resolution:     TIFF (21.14 MB)     JPEG (2.213 MB)
Add Image to Favorite List 2016-12-13 Mars Mars Reconnaissance Orbiter (MRO)
Mars Science Laboratory (MSL)
 ChemCam
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This map shows the route driven by NASA's Curiosity Mars rover (blue line) and locations where the rover's ChemCam instrument detected the element boron (dots, colored by abundance of boron according to the key at right).
PIA21150:
Where's Boron? Mars Rover Detects It
Full Resolution:     TIFF (7.738 MB)     JPEG (838.4 kB)
Add Image to Favorite List 2016-12-13 Mars Mars Reconnaissance Orbiter (MRO)
Mars Science Laboratory (MSL)
 HiRISE
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This map shows the route driven by NASA's Curiosity Mars rover from the location where it landed in August 2012 to its location in December 2016, which is in the upper half of a geological unit called the Murray formation, on lower Mount Sharp.
PIA21144:
Late 2016 Map of NASA's Curiosity Mars Rover Mission
Full Resolution:     TIFF (2.946 MB)     JPEG (288 kB)
Add Image to Favorite List 2016-12-07 Mars Mars Reconnaissance Orbiter (MRO)
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The steep walls of Valles Marineris sometimes fail, creating giant landslides. This provides a clean exposure of the underlying bedrock, as seen image from NASA's Mars Reconnaissance Orbiter.
PIA21217:
Colorful Bedrock Exposed in a Landslide Scarp
Full Resolution:     TIFF (15.56 MB)     JPEG (892.3 kB)
Add Image to Favorite List 2016-12-07 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image from NASA's Mars Reconnaissance Orbiter shows one of these exotic locales at the South Pole. The polar cap is made from carbon dioxide (dry ice). The circular pits are holes in this dry ice layer that expand by a few meters each Martian year.
PIA21216:
The Coolest Landscape on Mars (or Earth)
Full Resolution:     TIFF (10.51 MB)     JPEG (375.8 kB)
Add Image to Favorite List 2016-12-07 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Subtle variations in color look like brush strokes as the lightly frosted terrain reflects light on Mars as seen by NASA's Mars Reconnaissance Orbiter.
PIA21215:
Cracks in a Crater's Ice
Full Resolution:     TIFF (15.56 MB)     JPEG (1.168 MB)
Add Image to Favorite List 2016-12-07 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Subtle variations in color look like brush strokes as the lightly frosted terrain reflects light on Mars as seen by NASA's Mars Reconnaissance Orbiter.
PIA21214:
Painting with Frost
Full Resolution:     TIFF (15.56 MB)     JPEG (806.3 kB)
Add Image to Favorite List 2016-11-22 Mars Mars Reconnaissance Orbiter (MRO)
 Shallow Subsurface Radar (SHARAD)
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Diagonal striping on this map of a portion of the Utopia Planitia region on Mars indicates the area where a large subsurface deposit rich in water ice was assessed using the Shallow Radar instrument on NASA's Mars Reconnaissance Orbiter.
PIA21138:
Location of Large Subsurface Water-Ice Deposit in Utopia Planitia, Mars
Full Resolution:     TIFF (322.1 kB)     JPEG (44.46 kB)
Add Image to Favorite List 2016-11-22 Mars Mars Reconnaissance Orbiter (MRO)
 Shallow Subsurface Radar (SHARAD)
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These two images show Shallow Radar instrument data from two tracks in a part of Mars' Utopia Planitia region where the orbiting, ground-penetrating radar on NASA's Mars Reconnaissance Orbiter detected subsurface deposits rich in water ice.
PIA21137:
Radargrams Indicating Ice-Rich Subsurface Deposit
Full Resolution:     TIFF (73.74 kB)     JPEG (21.33 kB)
Add Image to Favorite List 2016-11-22 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This vertically exaggerated view shows scalloped depressions in Mars' Utopia Planitia region, prompting the use of ground-penetrating radar aboard NASA's Mars Reconnaissance Orbiter to check for underground ice.
PIA21136:
Scalloped Terrain Led to Finding of Buried Ice on Mars
Full Resolution:     TIFF (255.2 kB)     JPEG (57.89 kB)
Add Image to Favorite List 2016-11-15 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This stereo view is a location where hardware from the European Space Agency's Schiaparelli test lander reached the surface of Mars on Oct. 19, 2016 as seen by NASA's Mars Reconnaissance Orbiter.
PIA21135:
Schiaparelli Impact Site on Mars, Stereo
Full Resolution:     TIFF (1.385 MB)     JPEG (70.24 kB)
Add Image to Favorite List 2016-11-09 Mars Mars Reconnaissance Orbiter (MRO)
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NASA's Mars Reconnaissance Orbiter captured this image of Nili Fossae, layered bedrock as horizontal striations in the light toned sediments in the floor of a canyon near Syrtis Major.
PIA21206:
A Glimpse into History
Full Resolution:     TIFF (9.44 MB)     JPEG (889.5 kB)
Add Image to Favorite List 2016-11-09 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image from NASA's Mars Reconnaissance Orbiter shows the central pit feature of an approximately 20-km diameter complex crater in located just north of the Valles Marineris. A partial ring of light-toned, massive and fractured bedrock is observed.
PIA21205:
Exposed Fractured Bedrock in the Central Pit of a Crater
Full Resolution:     TIFF (9.44 MB)     JPEG (711.7 kB)
Add Image to Favorite List 2016-11-09 Mars Mars Reconnaissance Orbiter (MRO)
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This area of Amazonis Planitia to the west of the large volcano Olympus Mons was once flooded with lava as seen by NASA's Mars Reconnaissance Orbiter. A huge eruption flowed out across the relatively flat landscape.
PIA21204:
Rafted Rock
Full Resolution:     TIFF (9.44 MB)     JPEG (713.5 kB)
Add Image to Favorite List 2016-11-09 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This picture of the rim of Eos Chasma in Valles Marineris, captured by NASA's Mars Reconnaissance Orbiter, shows active erosion of the Martian surface.
PIA21203:
Trundling Boulders
Full Resolution:     TIFF (9.44 MB)     JPEG (995.7 kB)
Add Image to Favorite List 2016-11-03 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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On Nov. 1, 2016, the High Resolution Imaging Science ExperNASA's Mars Reconnaissance Orbiter observed the impact site of Europe's Schiaparelli test lander, gaining the first color view of the site since the lander's Oct. 19, 2016, arrival.
PIA21132:
Schiaparelli Impact Site on Mars, in Color
Full Resolution:     TIFF (311.1 kB)     JPEG (20.66 kB)
Add Image to Favorite List 2016-10-27 Mars Mars Reconnaissance Orbiter (MRO)
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This Oct. 25, 2016, image shows the area where the European Space Agency's Schiaparelli test lander reached the surface of Mars. This image was taken by NASA's Mars Reconnaissance Orbiter.
PIA21131:
Closer Look at Schiaparelli Impact Site on Mars
Full Resolution:     TIFF (20.38 MB)     JPEG (2.661 MB)
Add Image to Favorite List 2016-10-21 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows one of two spots that likely appeared in connection with the Oct. 19, 2016, arrival of ESA's Schiaparelli test lander. An animation is available at the Photojournal.
PIA21130:
Signs of Schiaparelli Test Lander Seen From Orbit Animation Icon
Full Resolution:     TIFF (1.057 MB)     JPEG (162.8 kB)
Add Image to Favorite List 2016-10-20 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows spidery channels eroded into Martian ground. This terrain type, called spiders or 'araneiform' (from the Latin word for spiders), appears in some areas of far-southern Mars.
PIA21126:
Martian 'Spiders' in Sharper Look, Thanks to Volunteers
Full Resolution:     TIFF (3.218 MB)     JPEG (232.4 kB)
Add Image to Favorite List 2016-10-19 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image from NASA's Mars Reconnaissance Orbiter shows some beautiful lava flows in Amazonis Planitia. Lava isn't moving around on Mars today, but it certainly once did, and images like this one are evidence of that.
PIA21113:
Lava That Once Flowed
Full Resolution:     TIFF (5.191 MB)     JPEG (1.387 MB)
Add Image to Favorite List 2016-10-19 Mars Mars Reconnaissance Orbiter (MRO)
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In this image from NASA's Mars Reconnaissance Orbiter tectonic stresses highly modified this area of Ganges Catena, north of Valles Marineris.
PIA21112:
Wrinkle Ridges and Pit Craters
Full Resolution:     TIFF (15.56 MB)     JPEG (1.001 MB)
Add Image to Favorite List 2016-10-19 Mars Mars Reconnaissance Orbiter (MRO)
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The distinctively fluted surface and elongated hills in Medusae Fossae are caused by wind erosion of a soft fine-grained rock, as seen by NASA's Mars Reconnaissance Orbiter.
PIA21111:
Wind Carved Rock
Full Resolution:     TIFF (15.56 MB)     JPEG (873.1 kB)
Add Image to Favorite List 2016-10-19 Mars Mars Reconnaissance Orbiter (MRO)
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This image captured by NASA's Mars Reconnaissance Orbiter shows a lava channel north of Kuiper Crater in the high southern latitudes just before spring equinox.
PIA21110:
Spider Webs
Full Resolution:     TIFF (5.191 MB)     JPEG (1.679 MB)
Add Image to Favorite List 2016-10-07 Mars Mars Exploration Rover (MER)
Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This map show a portion of Endeavour Crater's western rim that includes the 'Marathon Valley' area investigated intensively by NASA's Mars Exploration Rover Opportunity in 2015 and 2016.
PIA20854:
From 'Marathon Valley' to Gully on Endeavour Rim
Full Resolution:     TIFF (41.84 MB)     JPEG (2.035 MB)
Add Image to Favorite List 2016-10-05 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image from NASA's Mars Reconnaissance Orbiter shows the edge of the Martian South Polar layered deposit. The stack of fine layering is highlighted by the rays of the polar sun.
PIA21105:
On the Edge of the South Pole Layered Deposit
Full Resolution:     TIFF (15.56 MB)     JPEG (795.1 kB)
Add Image to Favorite List 2016-10-05 Mars Mars Reconnaissance Orbiter (MRO)
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The Tharsis region of Mars is covered in vast lava flows, many with channels, as seen by NASA's Mars Reconnaissance Orbiter. Some channels, however, resemble features that may have been formed by water.
PIA21104:
A Long and Winding Channel in Tharsis
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Add Image to Favorite List 2016-10-05 Mars Mars Reconnaissance Orbiter (MRO)
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This image captured by NASA's Mars Reconnaissance Orbiter shows a transition from depressed to inverted channels in the Gorgonum Basin.
PIA21103:
A Transition from Depressed to Inverted Channels in Gorgonum Basin
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Add Image to Favorite List 2016-10-05 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows mounds of light-toned deposits within the central portion of Valles Marineris.
PIA21102:
Deposits along the Northern Wall of Melas Chasma
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Add Image to Favorite List 2016-09-21 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows a complicated area containing various types of channels, pits and fractures near Olympica Fossae.
PIA21066:
Intersecting Channels near Olympica Fossae
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Add Image to Favorite List 2016-09-21 Mars Mars Reconnaissance Orbiter (MRO)
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This image captured by NASA's Mars Reconnaissance Orbiter shows viscous flow features. Currently, water-ice is stable on the Martian surface only in the polar regions.
PIA21065:
What Lies Beneath: Surface Patterns of Glacier-Like Landforms
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Add Image to Favorite List 2016-09-21 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows a circular impact crater and an oval volcanic caldera on the southern flank of a large volcano on Mars called Pavonis Mons.
PIA21064:
The Wind-Scoured Lava Flows of Pavonis Mons
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Add Image to Favorite List 2016-09-21 Mars Mars Reconnaissance Orbiter (MRO)
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Cerberus Fossae are a series of discontinuous fissures along dusty plains in the southeastern region of Elysium Planitia as seen by NASA's Mars Reconnaissance Orbiter.
PIA21063:
River of Sand
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Add Image to Favorite List 2016-09-15 Mars Mars Reconnaissance Orbiter (MRO)
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This image taken by NASA's Mars Reconnaissance Orbiter covers an area about 8 miles wide in the northern Arabia Terra region of Mars. Researchers estimate the stream and the lakes it linked held water at some time in the range of 2-3 billion years ago.
PIA20837:
Outflow Stream from Relatively Recent Martian Lake
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Add Image to Favorite List 2016-09-08 Mars Mars Reconnaissance Orbiter (MRO)
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This image captured by NASA's Mars Reconnaissance Orbiter shows a candidate future landing site in the Nili Patera region.
PIA21040:
A Human Bird's Eye View of Mars
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Add Image to Favorite List 2016-09-08 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows a large field of sand dunes on Kaiser Crater. They are partially free of seasonal ice, with the contrast making it easy to see the ripples.
PIA21039:
A Streamlined Form in Lethe Vallis
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This image from NASA's Mars Reconnaissance Orbiter shows a large field of sand dunes on Kaiser Crater. They are partially free of seasonal ice, with the contrast making it easy to see the ripples.
PIA21038:
Frosty Alcoves on Kaiser Crater Dunes
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Add Image to Favorite List 2016-09-08 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows a candidate landing site in the Mawrth Vallis region for ESA's ExoMars rover, planned to launch in 2020.
PIA21029:
The Color Wonderland of Mawrth Vallis
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Add Image to Favorite List 2016-08-24 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows the northern terminus of an outflow channel located in the volcanic terrains of Amenthes Planum.
PIA21023:
Ancient Streamlined Islands of the Palos Outflow Channel
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Add Image to Favorite List 2016-08-24 Mars Mars Reconnaissance Orbiter (MRO)
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At the edge of Mars' permanent North Polar cap, NASA's Mars Reconnaissance Orbiter sees an exposure of the internal layers, each with a different mix of water ice, dust and dirt.
PIA21022:
North Polar Cap Layers and Ledges
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Add Image to Favorite List 2016-08-24 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows many small craters over a larger degraded one in the northern lowlands. These small craters are smoother and shallower than their counterparts closer to the equator.
PIA21021:
Small Expanded Craters in the Northern Lowlands
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Add Image to Favorite List 2016-07-29 Mars Mars Reconnaissance Orbiter (MRO)
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Martian gullies as seen in the top image from NASA's Mars Reconnaissance Orbiter resemble gullies on Earth that are carved by liquid water.
PIA20763:
Adding Composition Data About Mars Gullies Animation Icon
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Add Image to Favorite List 2016-07-15 Mars Mars Reconnaissance Orbiter (MRO)
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The central portion of this image from NASA's Mars Reconnaissance Orbiter spacecraft features a mildly-winding depression carved by water. Helas basin was likely formed around four billion years ago by a giant asteroid or comet impact.
PIA20815:
A Meandering Channel on Hellas' Rim
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Add Image to Favorite List 2016-07-15 Mars Mars Reconnaissance Orbiter (MRO)
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Large impact craters rebound from the initial shock, raising deep bedrock to the surface in the central uplift of the crater as seen by NASA's Mars Reconnaissance Orbiter spacecraft.
PIA20814:
Colorful Bedrock in the Central Uplift of an Impact Crater
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Add Image to Favorite List 2016-07-15 Mars Mars Reconnaissance Orbiter (MRO)
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This region of Xanthe Terra has mostly been contracted due to thrust faulting, but this local region shows evidence of extensional faulting, also called normal faulting. This observation is from NASA's Mars Reconnaissance Orbiter spacecraft.
PIA20813:
Faulting Mars
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Add Image to Favorite List 2016-07-15 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter spacecraft covers mesas, or high-standing plateaus, to the north and pits, or low-standing, depressions to the south. What formed these mesas and pits is a question not so easy to answer.
PIA20812:
Mesas and Pits
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Add Image to Favorite List 2016-07-15 Mars Mars Reconnaissance Orbiter (MRO)
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Captured by NASA's Mars Reconnaissance Orbiter spacecraft, shown here are bizarre landforms in Gorgonum Basin. This basin may have contained an ancient lake, with channels draining into the lake from the sides.
PIA20811:
Einstein and Mars
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Add Image to Favorite List 2016-07-15 Mars Mars Reconnaissance Orbiter (MRO)
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This image captured by NASA's Mars Reconnaissance Orbiter spacecraft has low-sun lighting that accentuates the many transverse ridges on this slope, extending from Euripus Mons (mountains).
PIA20745:
Glorious Glacier
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Add Image to Favorite List 2016-07-15 Mars Mars Reconnaissance Orbiter (MRO)
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One small section of this image from NASA's Mars Reconnaissance Orbiter spacecraft shows boulders that have rolled down the slope of a crater wall. The boulders vary in size, with the largest one approximately 6 meters across.
PIA20744:
Slope Instability
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Add Image to Favorite List 2016-07-15 Mars Mars Reconnaissance Orbiter (MRO)
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These sand dunes are a type of aeolian bedform and partly encircle the Martian North Pole in a region called Olympia Undae as seen by NASA's Mars Reconnaissance Orbiter spacecraft.
PIA20743:
North Polar Gypsum Dunes in Olympia Undae
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Add Image to Favorite List 2016-07-08 Mars Mars Reconnaissance Orbiter (MRO)
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This map shows the frequency of carbon dioxide frost's presence at sunrise on Mars, as a percentage of days year-round, based on data from NASA's Mars Reconnaissance Orbiter.
PIA20758:
Where on Mars Does Carbon Dioxide Frost Form Often?
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Add Image to Favorite List 2016-07-07 Mars Mars Reconnaissance Orbiter (MRO)
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The white arrows indicate locations in this scene where numerous seasonal dark streaks have been identified in the Coprates Montes area of Mars' Valles Marineris by NASA's repeated MRO observations from orbit.
PIA20757:
Numerous Seasonal 'Lineae' on Coprates Montes, Mars
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Add Image to Favorite List 2016-07-07 Mars Mars Reconnaissance Orbiter (MRO)
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Blue dots on this map indicate sites of recurring slope lineae (RSL) in part of the Valles Marineris canyon network on Mars, from NASA's Mars Reconnaissance Orbiter.
PIA20756:
Sites with Seasonal Streaks on Slopes in Mars Canyons
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Add Image to Favorite List 2016-06-29 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter spacecraft is of Noctis Labyrinthus, a highly tectonized region immediately to the west of Valles Marineris. It formed when Mars' crust stretched itself apart.
PIA20740:
Dreaming of Graben in the Labyrinth of the Night
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Add Image to Favorite List 2016-06-29 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter spacecraft samples the excellent bedrock exposures north of Terby Crater, which lies on the northern rim of the giant Hellas basin.
PIA20737:
Bedrock North of Terby Crater
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Add Image to Favorite List 2016-06-29 Mars Mars Reconnaissance Orbiter (MRO)
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The giant sand dunes in Kaiser Crater, seen by NASA's Mars Reconnaissance Orbiter, experience gully erosion of the steep slip faces every year in late winter as the sun warms these slopes and seasonal carbon dioxide frost sublimates.
PIA20736:
Glowing Gullies in Kaiser Crater Dunes
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Add Image to Favorite List 2016-06-29 Mars Mars Reconnaissance Orbiter (MRO)
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The dunes shown here, as seen by NASA's Mars Reconnaissance Orbiter spacecraft, form distinct dots and dashes. The 'dashes' are linear dunes formed by bi-directional winds, which are not traveling parallel to the dune.
PIA20735:
Martian Morse Code
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Add Image to Favorite List 2016-06-22 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter spacecraft shows the Curiosity rover currently located on the Naukluft Plateau just north of the Bagnold Dune field.
PIA20738:
Curiosity on the Naukluft Plateau
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Add Image to Favorite List 2016-06-09 Mars Mars Reconnaissance Orbiter (MRO)
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This graphic overlays Martian atmospheric temperature data as curtains over an image of Mars taken during a regional dust storm. Temperature data and global image were both recorded on Oct. 18, 2014, by NASA's Mars Reconnaissance Orbiter spacecraft.
PIA20747:
Mars Atmospheric Temperature and Dust Storm Tracking
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Add Image to Favorite List 2016-06-09 Mars Mars Reconnaissance Orbiter (MRO)
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This graphic shows Martian atmospheric temperature data related to seasonal patterns in occurrence of large regional dust storms. The data shown here were collected by the Mars Climate Sounder instrument on NASA's Mars Reconnaissance Orbiter.
PIA20746:
Seasonal Temperature Pattern Indicating Martian Dust Storms
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Add Image to Favorite List 2016-06-01 Mars Mars Reconnaissance Orbiter (MRO)
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These North Polar layered deposits, composed of ice, captured by NASA's Mars Reconnaissance Orbiter spacecraft, show what looks like drag folds, where rock layers bend (fold) before they break in a fault.
PIA20731:
Drag Folds in the North Polar Layered Deposits
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Add Image to Favorite List 2016-06-01 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter spacecraft covers some of the plains south of Capri Chasma in eastern Valles Marineris.
PIA20730:
The Plains are Not Plain
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Add Image to Favorite List 2016-06-01 Mars Mars Reconnaissance Orbiter (MRO)
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There is a circular feature in this observation from NASA's Mars Reconnaissance Orbiter spacecraft that appears to stand above the surrounding terrain. This feature is probably an inverted crater that was filled in with sediment.
PIA20729:
An Inverted Crater
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Add Image to Favorite List 2016-06-01 Mars Mars Reconnaissance Orbiter (MRO)
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This image captured by NASA's Mars Reconnaissance Orbiter spacecraft targets a 3-kilometer diameter crater that occurs within the ejecta blanket of the much older Bakhuysen Crater, a 150-kilometer diameter impact crater in Noachis Terra.
PIA20728:
Beautiful Blocks of Bedrock
Full Resolution:     TIFF (15.56 MB)     JPEG (1.313 MB)
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