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List		 Addition Date Target Mission InstrumentSort Descending Size
Add Image to Favorite List 2013-06-07 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This map of a portion of the western rim of Endeavour Crater on Mars shows the path of NASA's Mars Exploration Rover Opportunity as the rover is driving from the 'Cape York' segment of the rim to its next destination, the 'Solander Point' segment.
PIA17072:
Southbound Opportunity, June 2013
Full Resolution:     TIFF (25.2 MB)     JPEG (2.025 MB)
Add Image to Favorite List 2013-06-07 Mars Mars Exploration Rover (MER)
Mars Reconnaissance Orbiter (MRO)
 HiRISE
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NASA's Mars Exploration Rover Opportunity drove onto the 'Cape York' segment of the rim of Endeavour Crater in August 2011 and departed Cape York in May 2013. The location of a rock target called 'Esperance' is indicated in the main map.
PIA17073:
Opportunity's Exploration of "Cape York"
Full Resolution:     TIFF (35.85 MB)     JPEG (573.3 kB)
Add Image to Favorite List 2013-06-11 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Several types of downhill flow features have been observed on Mars. Shown here is an example of a type called 'linear gullies' as seen by NASA's Mars Reconnaissance Orbiter.
PIA17260:
Linear Gullies Inside Russell Crater, Mars
Full Resolution:     TIFF (1.218 MB)     JPEG (238 kB)
Add Image to Favorite List 2013-06-11 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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These three images taken by NASA's Mars Reconnaissance Orbiter are called 'linear gullies' and were taken at different times of the year to observe changes.
PIA17261:
Some Gullies on Mars Could Be Tracks of Sliding Dry Ice
Full Resolution:     TIFF (2.871 MB)     JPEG (568.4 kB)
Add Image to Favorite List 2013-07-17 Mars Mars Exploration Rover (MER)
Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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'
Full Resolution:     TIFF (4.069 MB)     JPEG (524.7 kB)
Add Image to Favorite List 2013-07-24 Mars Mars Reconnaissance Orbiter (MRO)
Mars Science Laboratory (MSL)
 HiRISE
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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'
Full Resolution:     TIFF (11.46 MB)     JPEG (879.4 kB)
Add Image to Favorite List 2013-08-02 Mars Mars Reconnaissance Orbiter (MRO)
Mars Science Laboratory (MSL)
 HiRISE
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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
Full Resolution:     TIFF (25.26 MB)     JPEG (2.249 MB)
Add Image to Favorite List 2013-08-27 Mars Mars Reconnaissance Orbiter (MRO)
Mars Science Laboratory (MSL)
 HiRISE
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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
Full Resolution:     TIFF (25.26 MB)     JPEG (1.493 MB)
Add Image to Favorite List 2014-05-22 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This observation from NASA's Mars Reconnaissance Orbiter shows an incredible diversity of ancient lava tubes and impact craters filled with sediment on the flank of Arsia Mons.
PIA18649:
The Busy Flank of Arsia Mons
Full Resolution:     TIFF (5.191 MB)     JPEG (682.4 kB)
Add Image to Favorite List 2013-10-17 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (6.223 MB)     JPEG (169.6 kB)
Add Image to Favorite List 2013-10-16 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (887.8 kB)
Add Image to Favorite List 2013-10-16 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (1.513 MB)
Add Image to Favorite List 2013-10-16 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (600.1 kB)
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
Full Resolution:     TIFF (15.56 MB)     JPEG (1.05 MB)
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
Full Resolution:     TIFF (15.56 MB)     JPEG (1.475 MB)
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
Full Resolution:     TIFF (5.736 MB)     JPEG (301.4 kB)
Add Image to Favorite List 2013-10-18 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (5.191 MB)     JPEG (1.039 MB)
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
Full Resolution:     TIFF (5.191 MB)     JPEG (915.7 kB)
Add Image to Favorite List 2013-10-30 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (659.6 kB)
Add Image to Favorite List 2013-10-30 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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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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 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 2013-09-18 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
Full Resolution:     TIFF (15.56 MB)     JPEG (641.7 kB)
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
Full Resolution:     TIFF (15.56 MB)     JPEG (1.045 MB)
Add Image to Favorite List 2013-09-12 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (908.3 kB)
Add Image to Favorite List 2013-09-12 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (1.341 MB)
Add Image to Favorite List 2013-11-06 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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 2013-11-06 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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)
 HiRISE
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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)
 HiRISE
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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 2013-08-08 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (749.6 kB)
Add Image to Favorite List 2013-07-24 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (1.03 MB)
Add Image to Favorite List 2013-11-08 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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 2013-08-08 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (553.2 kB)
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
Full Resolution:     TIFF (15.56 MB)     JPEG (1.183 MB)
Add Image to Favorite List 2013-08-08 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (1.179 MB)
Add Image to Favorite List 2013-08-21 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (665.2 kB)
Add Image to Favorite List 2013-08-21 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (1.028 MB)
Add Image to Favorite List 2013-08-21 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (822.3 kB)
Add Image to Favorite List 2013-08-21 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (852.5 kB)
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
Full Resolution:     TIFF (15.56 MB)     JPEG (877.5 kB)
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
Full Resolution:     TIFF (15.56 MB)     JPEG (1.256 MB)
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
Full Resolution:     TIFF (15.56 MB)     JPEG (538.9 kB)
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
Full Resolution:     TIFF (15.56 MB)     JPEG (820.1 kB)
Add Image to Favorite List 2013-09-03 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (1.114 MB)
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
Full Resolution:     TIFF (15.56 MB)     JPEG (862.3 kB)
Add Image to Favorite List 2013-07-24 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (1.607 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 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 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 2013-11-13 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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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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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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 2013-11-20 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 2013-11-20 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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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 2013-07-17 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
Full Resolution:     TIFF (5.191 MB)     JPEG (790.8 kB)
Add Image to Favorite List 2013-07-17 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
Full Resolution:     TIFF (15.56 MB)     JPEG (1.058 MB)
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
Full Resolution:     TIFF (15.56 MB)     JPEG (692.2 kB)
Add Image to Favorite List 2013-07-10 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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.
PIA17722:
Knob in the South Polar Layered Deposits of Mars
Full Resolution:     TIFF (15.56 MB)     JPEG (1.072 MB)
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 a small portion of Mawrth Vallis, one of the many outflow channels feeding north into the Chryse Basin. This ancient valley once hosted flowing water.
PIA17723:
Mawrth Vallis Geodiversity
Full Resolution:     TIFF (15.56 MB)     JPEG (815.4 kB)
Add Image to Favorite List 2013-07-10 Mars Mars Reconnaissance Orbiter (MRO)
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Landslides in Valles Marineris are truly enormous, sometimes stretching from one wall to the base of another. This landslide, known as Ius Labes, would occupy the surface area of the state of Delaware, U.S., seen by NASA's Mars Reconnaissance Orbiter.
PIA17724:
Northwest Ius Chasma Landslide and Dune Field
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Add Image to Favorite List 2013-07-10 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
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Add Image to Favorite List 2013-05-15 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter Polygons form by the intersecting ridges of sand dunes. The illumination is coming from the upper left, so the bluish ridges are high-standing.
PIA17726:
Polygonal Dunes
Full Resolution:     TIFF (15.56 MB)     JPEG (686.3 kB)
Add Image to Favorite List 2013-05-15 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Seasonal flows on warm Martian slopes may be caused by the flow of salty water on Mars, active today when the surface is warm (above the freezing point of the solution). This observation is from NASA's Mars Reconnaissance Orbiter.
PIA17727:
Seasonal Flows in Palikir Crater
Full Resolution:     TIFF (15.56 MB)     JPEG (926.5 kB)
Add Image to Favorite List 2013-05-15 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter shows a sand dune field in the Nili Fossae region of Mars. The dark lines swirling over the surface of the dunes are the tracks of dust devils.
PIA17728:
Dust Devil Tracks and Slope Streaks on Martian Sand Dunes
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Add Image to Favorite List 2013-05-15 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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With NASA's Mars Reconnaissance Orbiter HiRISE camera and its powerful resolution, other mission teams can request images of potential future landing sites on Mars.
PIA17729:
A Possible Landing Site for NASA's InSight Mission
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Add Image to Favorite List 2013-05-22 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter shows a transect of Coprates Chasma wall stratigraphy, which includes (moving down sequence): the southern plateau, wall spurs, fans of eroded material, gullies, sand dunes, and canyon floor.
PIA17730:
Eastern Valles Marineris Bedrock Stratigraphy and Falling Dunes
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Add Image to Favorite List 2013-05-22 Mars Mars Reconnaissance Orbiter (MRO)
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Scientist hypothesize that a lake of liquid water once filled Gale crater, and the layers in the mound formed as sediment settled down through the water to the bottom of the lake in this image from NASA's Mars Reconnaissance Orbiter.
PIA17731:
How Did the Mound in Gale Crater Form?
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Add Image to Favorite List 2013-05-22 Mars Mars Reconnaissance Orbiter (MRO)
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In the area between Crommelin and Firsoff craters, NASA's Mars Reconnaissance Orbiter saw heavily cratered terrain with deposits that record Martian geologic history and stratigraphy.
PIA17732:
Ridges and a Valley with Flow Fronts
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Add Image to Favorite List 2013-05-22 Mars Mars Reconnaissance Orbiter (MRO)
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A south-facing escarpment in the Northwest Hellas region that was targeted for the phyllosilicates shows instances of bluish rock in this enhanced color image taken by NASA's Mars Reconnaissance Orbiter.
PIA17733:
Ice in a Chlorite-Bearing Escarpment in Northwest Hellas
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Add Image to Favorite List 2013-05-29 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter shows the central hills in Hale Crater with thousands of seasonal flows on steep slopes below bedrock outcrops.
PIA17734:
Active Slope Flows on the Central Hills of Hale Crater
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Add Image to Favorite List 2013-05-29 Mars Mars Reconnaissance Orbiter (MRO)
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This well-preserved impact crater in Tyrrhena Terra, northeast of Hellas Planitia, is approximately 6 kilometers in diameter as seen by NASA's Mars Reconnaissance Orbiter.
PIA17735:
Crater with Debris Aprons in Tyrrhena Terra
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Add Image to Favorite List 2013-05-29 Mars Mars Reconnaissance Orbiter (MRO)
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This observation from NASA's Mars Reconnaissance Orbiter shows enigmatic, shallowly incised valleys, found in some mid- to low-latitude regions on Mars.
PIA17736:
Valleys in Tyrrhena Terra
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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
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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
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Add Image to Favorite List 2013-12-10 Mars Mars Reconnaissance Orbiter (MRO)
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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
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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
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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
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Add Image to Favorite List 2014-01-09 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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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
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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
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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)
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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)
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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 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
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Add Image to Favorite List 2013-05-01 Mars Mars Reconnaissance Orbiter (MRO)
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In this image from NASA's Mars Reconnaissance Orbiter, lower wall rock spurs are found that spread dark materials onto a dune field, suggesting local wall materials are a nearby sediment source for dunes.
PIA17869:
Olivine-Bearing Dune Fields and Wall Rock in Coprates Chasma
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Add Image to Favorite List 2013-05-01 Mars Mars Reconnaissance Orbiter (MRO)
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When boulders roll down a dusty Martian slope, they can leave long, dotted tracks behind on the slope surface as seen in this observation from NASA's Mars Reconnaissance Orbiter.
PIA17870:
Watch for Falling Rocks!
Full Resolution:     TIFF (5.191 MB)     JPEG (428.7 kB)
Add Image to Favorite List 2013-05-01 Mars Mars Reconnaissance Orbiter (MRO)
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This image from NASA's Mars Reconnaissance Orbiter covers many shallow irregular pits with raised rims, concentrated along ridges and other topographic features.
PIA17871:
Mystery Martian Morphology of the Month
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Add Image to Favorite List 2014-01-15 Mars Mars Reconnaissance Orbiter (MRO)
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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 2013-05-01 Mars Mars Reconnaissance Orbiter (MRO)
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Terby Crater, sitting on the northern rim of Hellas Basin, has been filled by sedimentary deposits, perhaps deposited by or in water, as observed by NASA's Mars Reconnaissance Orbiter.
PIA17872:
Sedimentary Bedrock Diversity in Terby Crater
Full Resolution:     TIFF (15.56 MB)     JPEG (662.3 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
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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 chlorides that have a bright appearance and are covered by other dark materials.
PIA17875:
Looking for Salts on Mars
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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 2014-01-23 Mars Mars Exploration Rover (MER)
Mars Reconnaissance Orbiter (MRO)
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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 2014-01-29 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
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Add Image to Favorite List 2013-04-10 Mars Mars Reconnaissance Orbiter (MRO)
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'Megabreccia' is a term used to describe jumbled, fragmented blocks of rock larger than 1 meter (1.09 yard) across. This image was observed by NASA's Mars Reconnaissance Orbiter.
PIA17877:
Megabreccia on the Floor of an Impact Crater
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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
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Add Image to Favorite List 2014-02-10 Mars Mars Reconnaissance Orbiter (MRO)
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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 2014-02-10 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
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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)
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