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List		 Addition DateSort Ascending Target Mission Instrument Size
Add Image to Favorite List 2014-03-12 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Sandwiched between a crater nearly 4 kilometer across and a much larger and older crater over 15-kilometers in diameter is this small impact crater with light-toned material exposed in its ejecta. This image is from NASA's Mars Reconnaissance Orbiter.
PIA17904:
Craters within Craters
Full Resolution:     TIFF (15.56 MB)     JPEG (679.5 kB)
Add Image to Favorite List 2014-03-12 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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When impact craters are formed, the material that once resided in the subsurface is blown upward and outward, as seen in this observation from NASA's Mars Reconnaissance Orbiter.
PIA17903:
Ejecta in Excess
Full Resolution:     TIFF (5.191 MB)     JPEG (877.3 kB)
Add Image to Favorite List 2014-03-05 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter captures light-toned ridges found in a large fracture located east of Holden Crater forming a curious box-like pattern.
PIA18112:
Many Small Interesting Ridges in Erythraea Fossa
Full Resolution:     TIFF (15.56 MB)     JPEG (747.4 kB)
Add Image to Favorite List 2014-03-05 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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A bright ice cap of frozen water covers the North Pole of Mars as seen by NASA's Mars Reconnaissance Orbiter. In winter, thin coverings of carbon dioxide and water frost covers this area and frosts finally disappear at end of the Martian spring season.
PIA18111:
Don't Get Lost in the North Polar Ice Cap
Full Resolution:     TIFF (14.75 MB)     JPEG (902.1 kB)
Add Image to Favorite List 2014-03-05 Mars Mars Reconnaissance Orbiter (MRO)
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NASA's Mars Reconnaissance Orbiter spies an impact crater located in northern Sinus Meridiani has formed along the boundary of two different terrain units.
PIA18110:
A Crater Straddling Two Terrain Units
Full Resolution:     TIFF (5.191 MB)     JPEG (612.7 kB)
Add Image to Favorite List 2014-03-05 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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NASA's Mars Reconnaissance Orbiter shows Mars' northern-most sand dunes beginning to emerge from their winter cover of seasonal carbon dioxide (dry) ice. Dark, bare south-facing slopes are soaking up the warmth of the sun.
PIA18109:
Sand Dunes in Spring
Full Resolution:     TIFF (15.56 MB)     JPEG (552 kB)
Add Image to Favorite List 2014-02-26 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This impact crater in the region of Mars called Libya Montes, observed by NASA's Mars Reconnaissance Orbiter, shows typical gullies with alcoves at the top, channels, and depositional fans at the bottom.
PIA18116:
Equatorial Gullies
Full Resolution:     TIFF (15.56 MB)     JPEG (685.4 kB)
Add Image to Favorite List 2014-02-26 Mars Mars Reconnaissance Orbiter (MRO)
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The crater in the center of this HiRISE image from NASA's Mars Reconnaissance Orbiter is unusual because there is a wide, flat bench, or terrace, between the outer rim and the inner section, making it appear somewhat like a bullseye.
PIA18115:
Craters in an Icy Surface
Full Resolution:     TIFF (15.56 MB)     JPEG (984.6 kB)
Add Image to Favorite List 2014-02-26 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This southern autumn image captured by NASA's Mars Reconnaissance Orbiter offers a view of frosty dunes. The sunlight is shining on the dunes from the upper right.
PIA18114:
Frost in Dune Shadows
Full Resolution:     TIFF (15.56 MB)     JPEG (675.7 kB)
Add Image to Favorite List 2014-02-26 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This dramatic image observed by NASA's Mars Reconnaissance Orbiter shows dark rippled bodies of sand, sometimes in the form of dunes, streaming through Ganges Chasma. The floor of the canyon is covered by hills and mesas.
PIA18113:
Dunes Streaming through Hills
Full Resolution:     TIFF (15.56 MB)     JPEG (609.6 kB)
Add Image to Favorite List 2014-02-22 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image shows numerous dark shapes and bright spots on a sand dune in the Northern polar regions of Mars. This observation is from NASA's Mars Reconnaissance Orbiter.
PIA17929:
Giant Gullies North of the Argyre Impact Basin
Full Resolution:     TIFF (15.56 MB)     JPEG (857.3 kB)
Add Image to Favorite List 2014-02-22 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image shows numerous dark shapes and bright spots on a sand dune in the Northern polar regions of Mars. This observation is from NASA's Mars Reconnaissance Orbiter.
PIA17928:
Shapes and Spots on a Polar Sand Dune
Full Resolution:     TIFF (15.56 MB)     JPEG (858 kB)
Add Image to Favorite List 2014-02-22 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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NASA's Mars Reconnaissance Orbiter shows light-toned deposits along Coprates Chasma slopes.
PIA17927:
Light-Toned Deposits along Coprates Chasma Slopes
Full Resolution:     TIFF (15.56 MB)     JPEG (607.3 kB)
Add Image to Favorite List 2014-02-22 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image from NASA's Mars Reconnaissance Orbiter shows an unusual landform on the floor of Oxus Patera. Oxus Patera is an ancient, eroded depression in northern Arabia Terra.
PIA17926:
Oxus Patera Collapse Feature
Full Resolution:     TIFF (15.56 MB)     JPEG (676.7 kB)
Add Image to Favorite List 2014-02-19 Mars Mars Exploration Rover (MER)
Mars Reconnaissance Orbiter (MRO)
 HiRISE
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NASA's Mars Reconnaissance Orbiter caught this view of NASA's Mars Exploration Rover Opportunity on Feb. 14, 2014. The red arrow points to Opportunity at the center of the image. Blue arrows point to tracks left by the rover in October 2013.
PIA17941:
Opportunity Rover on 'Murray Ridge' Seen From Orbit
Full Resolution:     TIFF (6.124 MB)     JPEG (282.8 kB)
Add Image to Favorite List 2014-02-13 Mars Mars Reconnaissance Orbiter (MRO)
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NASA's Mars Reconnaissance Orbiter saw the saddle between two valleys named Dingo Gap-in Gale Crater-where the rover Curiosity just traversed. The gap is spanned by a single dune visible both from the ground and from orbit.
PIA17983:
Viewing Dingo Gap
Full Resolution:     TIFF (15.56 MB)     JPEG (893.3 kB)
Add Image to Favorite List 2014-02-13 Mars Mars Reconnaissance Orbiter (MRO)
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One of the great strengths of the HiRISE camera onboard NASA's Mars Reconnaissance Orbiter is that its high resolution can help resolve interesting questions. Here, is the platy flow material younger than the yardang-forming material?
PIA17982:
Which Came First, the Yardang or the Platy Flow?
Full Resolution:     TIFF (15.56 MB)     JPEG (895.9 kB)
Add Image to Favorite List 2014-02-13 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows a dune field in a large crater near Mawrth Vallis; some of the dunes appear to be in 'V' formation.
PIA17981:
Dunes Flying in Formation
Full Resolution:     TIFF (15.56 MB)     JPEG (797.8 kB)
Add Image to Favorite List 2014-02-13 Mars Mars Reconnaissance Orbiter (MRO)
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This image shows some bright layered deposits exposed within a linear trough along the floor of the Ladon Basin as seen by NASA's Mars Reconnaissance Orbiter.
PIA17980:
Bright Sediments on the Floor of Ladon Basin
Full Resolution:     TIFF (15.56 MB)     JPEG (742.8 kB)
Add Image to Favorite List 2014-02-10 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mar Reconnaissance Orbiter combines a photograph of seasonal dark flows on a Martian slope at Palikir Crater with a grid of colors based on data collected by a mineral-mapping spectrometer observing the same area.
PIA17934:
Color-Coded Clues to Composition Superimposed on Martian Seasonal-Flow Image
Full Resolution:     TIFF (8.713 MB)     JPEG (345.8 kB)
Add Image to Favorite List 2014-02-10 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Dark, seasonal flows emanate from bedrock exposures at Palikir Crater on Mars in this image from the HiRISE camera on NASA's Mars Reconnaissance Orbiter. These dark, warm-season flows are called 'recurring slope lineae' or RSL.
PIA17933:
Warm-Season Flows on Martian Slope
Full Resolution:     TIFF (14.65 MB)     JPEG (614.7 kB)
Add Image to Favorite List 2014-02-05 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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A dramatic, fresh impact crater dominates this image taken by the HiRISE camera onboard NASA's Mars Reconnaissance Orbiter on Nov. 19, 2013. The crater is surrounded by a large, rayed blast zone.
PIA17932:
A Spectacular New Martian Impact Crater
Full Resolution:     TIFF (2.36 MB)     JPEG (200.7 kB)
Add Image to Favorite List 2014-02-05 Mars Mars Reconnaissance Orbiter (MRO)
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In an area like Russell Crater, very ancient impact crater, NASA's Mars Reconnaissance Orbiter can follow changes in the terrain by comparing images taken at different times. Frost (carbon dioxide ice) is seen in this image.
PIA17986:
Fall Frost Accumulation on Russell Crater Dunes
Full Resolution:     TIFF (15.56 MB)     JPEG (962.1 kB)
Add Image to Favorite List 2014-02-05 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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The objective of this observation from NASA's Mars Reconnaissance Orbiter is to determine the nature of a group of what appears to be channels that trend in a west-east direction.
PIA17985:
Channels in Phlegra Montes
Full Resolution:     TIFF (15.56 MB)     JPEG (977.8 kB)
Add Image to Favorite List 2014-02-05 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter shows sand dunes in late Northern spring on Mars, mixed with rock outcrops on the floor of a large crater.
PIA17984:
Squiggly Sand Dunes
Full Resolution:     TIFF (15.56 MB)     JPEG (923.9 kB)
Add Image to Favorite List 2014-01-29 Mars Mars Reconnaissance Orbiter (MRO)
Mars Science Laboratory (MSL)
 HiRISE
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This map shows the route that NASA's Curiosity Mars rover drove inside Gale Crater from its landing in August 2013 through Jan. 26, 2004. The rover is approaching a gap between two low scarps, 'Dingo Gap.'
PIA17765:
Traverse Map for Mars Rover Curiosity as of Jan. 26, 2014
Full Resolution:     TIFF (25.26 MB)     JPEG (1.211 MB)
Add Image to Favorite List 2014-01-23 Mars Mars Exploration Rover (MER)
Mars Reconnaissance Orbiter (MRO)
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The gold line on this image shows NASA's Opportunity's route from the landing site, in upper left, to the area it is investigating on the western rim of Endeavour Crater as of the rover's 10th anniversary on Mars, in Earth years.
PIA17758:
Opportunity's First Decade of Driving on Mars
Full Resolution:     TIFF (53.71 MB)     JPEG (3.168 MB)
Add Image to Favorite List 2014-01-23 Mars Mars Exploration Rover (MER)
Mars Reconnaissance Orbiter (MRO)
 HiRISE
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A region known as 'Cape York' on the western rim of Endeavour Crater, where the Opportunity rover worked for 20 months, is highlighted in these images from NASA's Mars Reconnaissance Orbiter.
PIA17264:
'Cape York' Explored
Full Resolution:     TIFF (4.04 MB)     JPEG (138.1 kB)
Add Image to Favorite List 2014-01-15 Mars Mars Reconnaissance Orbiter (MRO)
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The linearity of the volcanic vent shown in this image observed by NASA's Mars Reconnaissance Orbiter, in conjunction with evidence of lava flow from the vent, suggests control by combined volcano-tectonic processes.
PIA17876:
Fissure near Cerberus Fossae with Tectonic Morphologies
Full Resolution:     TIFF (14.75 MB)     JPEG (741.1 kB)
Add Image to Favorite List 2014-01-15 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image from NASA's Mars Reconnaissance Orbiter shows chlorides that have a bright appearance and are covered by other dark materials.
PIA17875:
Looking for Salts on Mars
Full Resolution:     TIFF (14.75 MB)     JPEG (849.3 kB)
Add Image to Favorite List 2014-01-15 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows cones with summit pits that are very similar to cinder cones on Earth. They are also very well-preserved, peppered by only small impact craters, so they must be geologically young.
PIA17874:
Recent Volcanism in Valles Marineris
Full Resolution:     TIFF (14.75 MB)     JPEG (836.7 kB)
Add Image to Favorite List 2014-01-15 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Sand dunes like those seen in this image from NASA's Mars Reconnaissance Orbiter have been observed to creep slowly across the surface of Mars through the action of the wind.
PIA17873:
Dunes on the Rim of the Hellas Impact Basin
Full Resolution:     TIFF (14.75 MB)     JPEG (1.248 MB)
Add Image to Favorite List 2014-01-09 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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NASA's Curiosity Mars rover and tracks left by its driving appear in this portion of a Dec. 11, 2013, observation by the HiRISE camera on NASA's Mars Reconnaissance Orbiter. The rover is near the lower-left corner of this view.
PIA17755:
Curiosity Trekking, Viewed from Orbit in December 2013
Full Resolution:     TIFF (2.955 MB)     JPEG (386.4 kB)
Add Image to Favorite List 2014-01-09 Mars Mars Reconnaissance Orbiter (MRO)
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Two parallel tracks left by the wheels of NASA's Curiosity Mars rover cross rugged ground in this portion of an observation by the HiRISE camera on NASA's Mars Reconnaissance Orbiter on Dec. 11, 2013. The rover itself does not appear in this image.
PIA17754:
Curiosity Rover Tracks, Viewed from Orbit in December 2013
Full Resolution:     TIFF (15.39 MB)     JPEG (813.9 kB)
Add Image to Favorite List 2014-01-09 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter is of an east-facing slope in Tithonium Chasma.
PIA17859:
The Obliquity of Mars (Periodic Bedding in Tithonium Chasma)
Full Resolution:     TIFF (14.75 MB)     JPEG (749 kB)
Add Image to Favorite List 2014-01-09 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Low lying areas in the Hellas region, which is the largest impact basin on Mars, often show complex groups of banded ridges, furrows, and pits as seen in this observation from NASA's Mars Reconnaissance Orbiter.
PIA17858:
Banded Ridges in Hellas
Full Resolution:     TIFF (14.75 MB)     JPEG (1.041 MB)
Add Image to Favorite List 2014-01-09 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This observation from NASA's Mars Reconnaissance Orbiter shows a set of landforms that appears to form a nested 'chevron' pattern on a slope in Coloe Fossae. Interestingly, nearby surfaces on the same slope are all parallel.
PIA17857:
Rippled Surfaces on a Slope in Coloe Fossae
Full Resolution:     TIFF (14.75 MB)     JPEG (799.1 kB)
Add Image to Favorite List 2013-12-10 Mars Mars Reconnaissance Orbiter (MRO)
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This image taken by NASA's Mars Reconnaissance Orbite on May 19, 2010, shows an impact crater that had not existed when the same location on Mars was previously observed in March 2008.
PIA17750:
Mars Orbiter Laser Altimeter, Thermal Emission Imaging System
Full Resolution:     TIFF (2.342 MB)     JPEG (100.8 kB)
Add Image to Favorite List 2013-12-10 Mars Mars Reconnaissance Orbiter (MRO)
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The image is an excerpt from an observation from NASA's Mars Reconnaissance Orbiter showing a meteorite impact that excavated this crater on Mars exposed bright ice that had been hidden just beneath the surface at this location.
PIA17608:
Fresh Crater Exposing Buried Ice on Mid-Latitude Mars
Full Resolution:     TIFF (1.271 MB)     JPEG (46.92 kB)
Add Image to Favorite List 2013-12-10 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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These images from NASA's Mars Reconnaissance Orbiter show how the appearance of dark markings on Martian slope changes with the seasons. The marks, called recurrent slope linea extend down slopes during warmer months.
PIA17606:
Seasonal Changes in Dark Marks on an Equatorial Martian Slope Animation Icon
Full Resolution:     TIFF (2.239 MB)     JPEG (426.6 kB)
Add Image to Favorite List 2013-12-10 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter includes an especially long example of a type of dark marking that advances down some Martian slopes in warmer months and fades away in cooler months.
PIA17605:
Long, Recurring Linear Marking on Martian Slope
Full Resolution:     TIFF (1.478 MB)     JPEG (128 kB)
Add Image to Favorite List 2013-12-09 Mars Mars Reconnaissance Orbiter (MRO)
Mars Science Laboratory (MSL)
 HiRISE
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These two images come from the HiRISE camera on NASA's Mars Reconnaissance Orbiter. Images of locations in Gale Crater taken from orbit around Mars reveal evidence of erosion in recent geological times and development of small scarps, or vertical surfaces
PIA17597:
Erosion Patterns May Guide Mars Rover to Rocks Recently Exposed
Full Resolution:     TIFF (2.075 MB)     JPEG (87.76 kB)
Add Image to Favorite List 2013-12-09 Mars Mars Reconnaissance Orbiter (MRO)
Mars Science Laboratory (MSL)
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This illustration depicts a concept for the possible extent of an ancient lake inside Gale Crater. The base map combines image data from the Context Camera on NASA's Mars Reconnaissance Orbiter and color information from Viking Orbiter imagery.
PIA17596:
Possible Extent of Ancient Lake in Gale Crater, Mars
Full Resolution:     TIFF (25.26 MB)     JPEG (1.34 MB)
Add Image to Favorite List 2013-12-03 Mars Mars Exploration Rover (MER)
Mars Reconnaissance Orbiter (MRO)
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The gold line on this image shows NASA's Mars Exploration Rover Opportunity's route as it investigating on the western rim of Endeavour Crater.
PIA17589:
Opportunity's Journey, Approaching 10th Anniversary
Full Resolution:     TIFF (51.19 MB)     JPEG (3.199 MB)
Add Image to Favorite List 2013-11-20 Mars Mars Reconnaissance Orbiter (MRO)
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In this image from NASA's Mars Reconnaissance Orbiter, we see an intersection of several fractures on the floor of Echus Chasma. One 'sector' appears to have been filled by a more recent viscous lava flow.
PIA17704:
Martian Intersection
Full Resolution:     TIFF (15.56 MB)     JPEG (703.6 kB)
Add Image to Favorite List 2013-11-20 Mars Mars Reconnaissance Orbiter (MRO)
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Imaged by MRO's NASA's Mars Reconnaissance Orbiter Context Camera, this observation shows one of two odd, rounded mesas with a knobby, pitted texture.
PIA17703:
A Textured Mesa
Full Resolution:     TIFF (15.56 MB)     JPEG (751.1 kB)
Add Image to Favorite List 2013-11-20 Mars Mars Reconnaissance Orbiter (MRO)
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This image captured by NASA's Mars Reconnaissance Orbiter is of an ancient, approximately 3 billion year-old landslide shows two distinct surface albedos, which are proportions of reflected light.
PIA17702:
Hydrated Sulfate Landslides in Ophir Chasma
Full Resolution:     TIFF (15.56 MB)     JPEG (801 kB)
Add Image to Favorite List 2013-11-20 Mars Mars Reconnaissance Orbiter (MRO)
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Nirgal Vallis is one of the largest and longest valley networks on Mars as seen by NASA's Mars Reconnaissance Orbiter.
PIA17701:
Nirgal Vallis Tributaries
Full Resolution:     TIFF (5.191 MB)     JPEG (826.1 kB)
Add Image to Favorite List 2013-11-13 Mars Mars Exploration Rover (MER)
Mars Reconnaissance Orbiter (MRO)
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This view of Murray Ridge was generated from data from NASA's Mars Reconnaissance Rover and a digital topographic map generated from stereo HiRISE coverage.
PIA17586:
A New Perspective on Murray Ridge
Full Resolution:     TIFF (105.7 MB)     JPEG (2.803 MB)
Add Image to Favorite List 2013-11-13 Mars Mars Reconnaissance Orbiter (MRO)
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This view taken from orbit shows a cluster of small, steep-sided knobs called 'Murray Buttes,' in tribute to Bruce Murray (1931-2013), an influential advocate for planetary exploration.
PIA17587:
'Murray Buttes' at Foot of Mount Sharp on Mars
Full Resolution:     TIFF (1.236 MB)     JPEG (248 kB)
Add Image to Favorite List 2013-11-13 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter shows one of the first close HiRISE views of the enigmatic Valles Marineris interior layered deposits.
PIA17691:
Sandstone Cliffs and Hematite Lag Deposits of Ophir Mensa
Full Resolution:     TIFF (15.56 MB)     JPEG (750.2 kB)
Add Image to Favorite List 2013-11-13 Mars Mars Reconnaissance Orbiter (MRO)
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Straight and meandering thin ridges are periodically found on Mars. Such ridges can form in a variety of ways, as seen in this image from NASA's Mars Reconnaissance Orbiter.
PIA17690:
Linear Ridges
Full Resolution:     TIFF (15.56 MB)     JPEG (474.1 kB)
Add Image to Favorite List 2013-11-13 Mars Mars Reconnaissance Orbiter (MRO)
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Does this observation from NASA's Mars Reconnaissance Orbiter show a possible proto-pedestal crater? This crater has a ring trough, but the inner circle around the crater does not appear significantly elevated.
PIA17689:
Crater with Trough in Utopia Rupes
Full Resolution:     TIFF (5.191 MB)     JPEG (856.5 kB)
Add Image to Favorite List 2013-11-13 Mars Mars Reconnaissance Orbiter (MRO)
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This image covers part of the Athabasca Valles flood lava plain, the youngest large lava flow on the surface of Mars as observed by NASA's Mars Reconnaissance Orbiter.
PIA17688:
Rafts of Lava with Strange Infrared Properties
Full Resolution:     TIFF (5.191 MB)     JPEG (1.161 MB)
Add Image to Favorite List 2013-11-08 Mars Mars Reconnaissance Orbiter (MRO)
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Sand dunes such as those seen in this image from NASA's Mars Reconnaissance Orbiter have been observed to creep slowly across the surface of Mars through the action of the wind.
PIA17675:
Dunes on the Rim of the Hellas Impact Basin
Full Resolution:     TIFF (3.688 MB)     JPEG (290.9 kB)
Add Image to Favorite List 2013-11-06 Mars Mars Reconnaissance Orbiter (MRO)
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Many types of craters exist on Mars. Most are generated by impacts of asteroids and comets. However, in this image captured by NASA's Mars Reconnaissance Orbiter, the craters may be due to steam explosions.
PIA17673:
Cratered Cones in Tartarus Montes
Full Resolution:     TIFF (15.56 MB)     JPEG (783.3 kB)
Add Image to Favorite List 2013-11-06 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows an impact crater with a diameter of approximately 2 kilometers located in the Coloe Fossae region of Mars.
PIA17672:
Breached Rim of a Circular Depression
Full Resolution:     TIFF (15.56 MB)     JPEG (617.4 kB)
Add Image to Favorite List 2013-11-06 Mars Mars Reconnaissance Orbiter (MRO)
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This area seen by NASA's Mars Reconnaissance Orbiter is known as the Deuteronilus contact of the Isidis Basin; it has been interpreted as a possible ancient shoreline. There are also suggestions that this contact is of volcanic origin.
PIA17671:
Hints of an Ancient Shoreline in Southern Isidis Planitia
Full Resolution:     TIFF (15.56 MB)     JPEG (1.058 MB)
Add Image to Favorite List 2013-11-06 Mars Mars Reconnaissance Orbiter (MRO)
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This image captured by NASA's Mars Reconnaissance Orbiter shows Tharsis Tholus, one of the smaller shield volcanoes on Mars' massive 'Tharsis Rise.'
PIA17670:
Dust Covered Channels on Tharsis Tholus
Full Resolution:     TIFF (15.56 MB)     JPEG (747.6 kB)
Add Image to Favorite List 2013-10-30 Mars Mars Reconnaissance Orbiter (MRO)
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This non-circular pit seen in this image from NASA's Mars Reconnaissance Orbiter is due to a low angle impact from an asteroid or comet. The raised plateau west of the crater was where most of the impact debris landed.
PIA17626:
Martian Thunderbird
Full Resolution:     TIFF (5.191 MB)     JPEG (1.13 MB)
Add Image to Favorite List 2013-10-30 Mars Mars Reconnaissance Orbiter (MRO)
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This particular area, called Mangala Valles and located near the Tharsis region, may be an example of the action of liquid water in the ancient Martian past. This image is from NASA's Mars Reconnaissance Orbiter.
PIA17625:
Enigmatic Channels on the Floor of Mangala Valles
Full Resolution:     TIFF (15.56 MB)     JPEG (1.052 MB)
Add Image to Favorite List 2013-10-30 Mars Mars Reconnaissance Orbiter (MRO)
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This is only one of four impact craters on Mars known that possesses intact layers exposed in the central uplift in this image from NASA's Mars Reconnaissance Orbiter.
PIA17624:
Beautiful Layers in the Central Uplift of Mazamba Crater
Full Resolution:     TIFF (15.56 MB)     JPEG (935.8 kB)
Add Image to Favorite List 2013-10-30 Mars Mars Reconnaissance Orbiter (MRO)
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The North Polar region of Mars is capped with layers of water ice and dust, called the 'polar layered deposits.' This permanent polar cap is covered in the winter with a layer of seasonal carbon dioxide ice as seen by NASA's Mars Reconnaissance Orbiter.
PIA17623:
Spring Slide
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Add Image to Favorite List 2013-10-18 Mars Mars Reconnaissance Orbiter (MRO)
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Shown here is an exceptionally long sinuous ridge, possibly an inverted fluvial feature, that cuts across newly mapped geologic units of the Medusae Fossae Formation, from NASA's Mars Reconnaissance Orbiter.
PIA17574:
Sinuous Ridge Cutting Across Geologic Units of the Medusae Fossae Formation
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Add Image to Favorite List 2013-10-17 Mars Mars Reconnaissance Orbiter (MRO)
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This is a screen shot from a high-definition simulated movie of Mojave Crater on Mars, based on images taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.
PIA17447:
Mountainous Crater Rim on Mars
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Add Image to Favorite List 2013-10-16 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter shows an excellent example of what is called 'fretted terrain,' termed so because of the eroded appearance of the surface.
PIA17571:
Fretted Terrains and Ground Deformation
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Add Image to Favorite List 2013-10-16 Mars Mars Reconnaissance Orbiter (MRO)
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This beautiful image shows terrific layers and exposed bedrock along a cliff in west Candor Chasma, which is part of the extensive Valles Marineris canyon system as seen by NASA's Mars Reconnaissance Orbiter.
PIA17570:
Bedding Details in Layered Rock
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Add Image to Favorite List 2013-10-16 Mars Mars Reconnaissance Orbiter (MRO)
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This cluster of small impact craters was spotted by the Context Camera on Mars Reconnaissance Orbiter in the region northwest of Gale Crater, the landing site of the Mars Science Laboratory (MSL) rover, Curiosity.
PIA17549:
Possible Impacts from MSL Hardware
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Add Image to Favorite List 2013-10-16 Mars Mars Reconnaissance Orbiter (MRO)
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Richardson Crater is home to this sea of sand dunes. It was fall in the Southern hemisphere when NASA's MRO acquired this image of the dunes frosted with the first bit of carbon dioxide ice condensed from the atmosphere.
PIA17548:
Fall Frosting
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Add Image to Favorite List 2013-10-02 Mars Mars Reconnaissance Orbiter (MRO)
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This field of dunes lies on the floor of an old crater in Noachis Terra, one of the oldest places on Mars, as seen by NASA's Mars Reconnaissance Orbiter.
PIA17573:
Colorful Dunes
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Add Image to Favorite List 2013-10-02 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter shows what is called a 'scalloped terrain,' that appears here to merge in a linear depression.
PIA17572:
Aligned Scallops
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Add Image to Favorite List 2013-10-02 Mars Mars Reconnaissance Orbiter (MRO)
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This image captured by NASA's Mars Reconnaissance Orbiter shows a central peak that is surrounded by a ring-like graben feature and relatively flat terrain.
PIA17575:
Differential Compaction around a Crater Peak
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Add Image to Favorite List 2013-09-18 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows one of these icy lobate features wrapping around a small hill. Many lobate features are now known to be almost pure ice, like glaciers on the Earth.
PIA17629:
Martian Glaciers and Brain Terrain
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Add Image to Favorite List 2013-09-18 Mars Mars Reconnaissance Orbiter (MRO)
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This colorful scene is situated in the Noctis Labyrinthus, perched high on the Tharsis rise in the upper reaches of the Valles Marineris canyon system as seen by NASA's Mars Reconnaissance Orbiter.
PIA17628:
Two Generations of Windblown Sediments
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Add Image to Favorite List 2013-09-12 Mars Mars Reconnaissance Orbiter (MRO)
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Small impact craters usually have simple bowl shapes; however, when the target material has different layers of different strength, then more complicated crater shapes can emerge as shown in image captured by NASA's Mars Reconnaissance Orbiter.
PIA17631:
Terraced Craters and Layered Targets
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Add Image to Favorite List 2013-09-12 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows a crater within the larger Schiaparelli Crater.
PIA17630:
Layers, Bedrock Ridges, and Dark Sand in Schiaparelli Crater
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Add Image to Favorite List 2013-09-03 Mars Mars Reconnaissance Orbiter (MRO)
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The formation of 'recurring slope lineae' is a fascinating process on Mars. These RSLs show up in the spring and fade in the winter as seen by NASA's Mars Reconnaissance Orbiter.
PIA17648:
Slope Lineae along Coprates Chasma Ridge
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Add Image to Favorite List 2013-09-03 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter shows a beautiful example of gullies in a massif in Nereidum Montes, located in Argyre Planitia, one of the largest impact basins on Mars.
PIA17647:
Gullied Massif in the Nereidum Montes
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Add Image to Favorite List 2013-08-28 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter is of one many that highlights new discoveries; one of these is that many sand dunes and ripples are moving, some at rates of several meters per year.
PIA17646:
Migrating and Static Sand Ripples on Mars
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Add Image to Favorite List 2013-08-28 Mars Mars Reconnaissance Orbiter (MRO)
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In this image from NASA's Mars Reconnaissance Orbiter, we can see a small notch in a crater rim with a well-formed channel. Lava appears to have flowed through this notch and filled in this crater.
PIA17645:
Breaching a Crater Rim in Tartarus Montes
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Add Image to Favorite List 2013-08-27 Mars Mars Reconnaissance Orbiter (MRO)
Mars Science Laboratory (MSL)
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NASA's Mars rover Curiosity left the 'Glenelg' area on July 4, 2013, on a 'rapid transit route' to the entry point for the mission's next major destination, the lower layers of Mount Sharp.
PIA17355:
Curiosity's Progress on Route from 'Glenelg' to Mount Sharp
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Add Image to Favorite List 2013-08-21 Mars Mars Reconnaissance Orbiter (MRO)
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As rivers age they can meander and occasionally these meanders get so pronounced that the river cuts off these curving loops at their narrow end leaving them as isolated as oxbow lakes. Image from NASA's Mars Reconnaissance Orbiter.
PIA17644:
Oxbows and Cutoffs in Idaeus Fossae
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Add Image to Favorite List 2013-08-21 Mars Mars Reconnaissance Orbiter (MRO)
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This basin in Ceti Mensa, as seen by NASA's Mars Reconnaissance Orbiter, exposes concentric rings in the sedimentary layers. Dark sand ripples and textures in the bedrock suggesting wind scouring are also apparent.
PIA17643:
Basin in the West Candor Chasma Layered Deposits
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Add Image to Favorite List 2013-08-21 Mars Mars Reconnaissance Orbiter (MRO)
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This image captured by NASA's Mars Reconnaissance Orbiter was intended to search for surface changes after three Mars years in a dust-covered region west of the Alba Mons volcano.
PIA17642:
Looking for Changes in Dust Drifts West of Alba Mons
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Add Image to Favorite List 2013-08-21 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter was planned to search for gully activity in the Northern Hemisphere.
PIA17641:
Frosted Impact Crater in Late Northern Winter
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Add Image to Favorite List 2013-08-21 Mars Mars Reconnaissance Orbiter (MRO)
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This image shows lava crumpled against the upstream side of an impact crater as seen by NASA's Mars Reconnaissance Orbiter.
PIA17640:
Lava Against an Impact Crater in Elysium Planitia
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Add Image to Favorite List 2013-08-21 Mars Mars Reconnaissance Orbiter (MRO)
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This observation captured by NASA's Mars Reconnaissance Orbiter shows a small crater in within the much larger Pollack Crater containing light-toned material.
PIA17639:
Small Crater within Pollack Crater Containing Light-Toned Material
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Add Image to Favorite List 2013-08-08 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows curious bright deposits in Syria Planum, a high elevation region near the summit of the Tharsis rise.
PIA17638:
Bright Dunes in Syria Planum
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Add Image to Favorite List 2013-08-08 Mars Mars Reconnaissance Orbiter (MRO)
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Sunlight was just starting to reach the high Northern latitudes in late winter when NASA's Mars Reconnaissance Orbiter's HiRISE camera captured this image of part of the steep scarps around portions of the North Polar layered deposits.
PIA17637:
Diffuse Winter Lighting of the Chasma Boreale Scarp
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Add Image to Favorite List 2013-08-08 Mars Mars Reconnaissance Orbiter (MRO)
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The white portions of this observation are part of the South Polar residual ice cap, with the sunlight is coming from roughly the bottom of this non-map projected image captured by NASA's Mars Reconnaissance Orbiter.
PIA17636:
Polygonal Surface Patterns at the South Pole
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Add Image to Favorite List 2013-08-08 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter covers an outcrop of possible cyclic bedding within a crater in Arabia Terra.
PIA17635:
Possible Cyclic Bedding within a Crater in Arabia Terra
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Add Image to Favorite List 2013-08-02 Mars Mars Reconnaissance Orbiter (MRO)
Mars Science Laboratory (MSL)
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The total distance driven by NASA's Mars rover Curiosity passed the one-mile mark a few days before the first anniversary of the rover's landing on Mars. The mapped area is within Gale Crater, and north of Mount Sharp, in the middle of the crater.
PIA17085:
Full Curiosity Traverse Passes One-Mile Mark
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Add Image to Favorite List 2013-07-24 Mars Mars Reconnaissance Orbiter (MRO)
Mars Science Laboratory (MSL)
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NASA's rover Curiosity appears as a bluish dot near the lower right corner of this enhanced-color view from the HiRISE camera on NASA's Mars Reconnaissance Orbiter.
PIA17080:
View From Mars Orbiter Showing Curiosity Rover at 'Shaler'
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Add Image to Favorite List 2013-07-24 Mars Mars Reconnaissance Orbiter (MRO)
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This observation captured by NASA's Mars Reconnaissance Orbiter shows a couple of landforms that may result from the loss of large amounts of ice from subsurface deposits: polygonal patterns of troughs and large scallop-shaped depressions.
PIA17633:
Utopia Planitia's Surface
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Add Image to Favorite List 2013-07-24 Mars Mars Reconnaissance Orbiter (MRO)
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This image captured by NASA's Mars Reconnaissance Orbiter spans from wall to wall across the center area of an impact crater. From what we see, a lot has happened to modify the appearance of the crater since it was formed.
PIA17634:
Ice Deposition and Loss in an Impact Crater in Utopia Basin
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Add Image to Favorite List 2013-07-17 Mars Mars Exploration Rover (MER)
Mars Reconnaissance Orbiter (MRO)
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This image taken by the HiRISE camera on NASA's Mars Reconnaissance Orbiter, captures Opportunity traversing south (at the end of the white arrow) to new science targets and a winter haven at 'Solander Point,' another portion of the Endeavour rim.
PIA17278:
Color View From Orbit Showing Opportunity in 'Botany Bay'
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Add Image to Favorite List 2013-07-17 Mars Mars Reconnaissance Orbiter (MRO)
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Excellent exposures of light-toned layered deposits occur along the northern edge of Hellas Basin as seen by NASA's Mars Reconnaissance Orbiter.
PIA17699:
Colorful Sediments near Hellas Basin
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Add Image to Favorite List 2013-07-17 Mars Mars Reconnaissance Orbiter (MRO)
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These craters on Tharsis are first visible as new dark spots observed by NASA's Mars Reconnaissance Orbiter's Context Camera (CTX), which can view much larger areas, and then imaged by HiRISE for a close-up look.
PIA17698:
An Icy Crater on Mars
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Add Image to Favorite List 2013-07-17 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter shows the end of a small channel near Athabasca Valles on Mars. Athabasca is an example of a Martian 'outflow channel,' likely carved by a massive flood of groundwater.
PIA17697:
Channel in the Cerberus Palus Region
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Add Image to Favorite List 2013-07-10 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter shows light-toned layered deposits at the contact between the Ladon Valles channel and Ladon Basin.
PIA17725:
Sediments in Ladon Basin
Full Resolution:     TIFF (15.56 MB)     JPEG (882.9 kB)
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