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Artist concept of Mars Reconnaissance Orbiter
July 14, 2009
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NASA/JPL-Caltech
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This picture of a heart-shaped feature in Arabia Terra on Mars was taken on May 23, 2010, by the Context Camera (CTX) on NASA's Mars Reconnaissance Orbiter.
Heart-shaped Feature in Arabia Terra
This image is an artist's concept of a view looking down on NASA's Mars Reconnaissance Orbiter. The spacecraft is pictured using its Shallow Subsurface Radar instrument (SHARAD) to "look" under the...
Mars Reconnaissance Orbiter's Radar, Top View (Artist's Concept)
This HiRISE image shows a crater approximately 11 km (7 miles) in diameter, located in Acidalia Planitia, part of the Northern Plains. Several features in and around this crater are suggestive of f...
Signs of Fluids and Ice in Acidalia Planitia
This annotated image from NASA's Mars Reconnaissance Orbiter shows a bright feature interpreted as the United Kingdom's Beagle 2 Lander, which was never heard from after its expected Dec. 25, 2003,...
Beagle 2 Lander Observed by Mars Reconnaissance Orbiter
The MRO Context Camera, CTX, at Malin Space Science Systems in 2004, before it was delivered and mounted on the spacecraft.
Context Camera for Mars Reconnaissance Orbiter
This sequence of images shows a blast zone where the sky crane from NASA's Curiosity rover mission hit the ground after setting the rover down in August 2012, and how that dark scar's appearance ch...
Changes in Scars From 2012 Mars Landing
The bright landing platform left behind by NASA's Mars Exploration Rover Opportunity in 2004 is visible inside Eagle Crater, where "Opportunity Lander" is indicated in this annotated, April 8, 2...
Rover's Landing Hardware at Eagle Crater, Mars (Annotated)
This pit crater was created by an empty lava tube in Mars’ Arsia Mons region. The image was captured by NASA’s Mars Reconnaissance Orbiter on Aug. 16, 2020.
HiRISE Spots the Mouth of a Martian Lava Tube
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.
Full Curiosity Traverse Passes One-Mile Mark
By analyzing radar images like the one at top of this montage, scientists discovered evidence for a past ice age in the northern polar ice cap of Mars.
Signs of a Martian Ice Age
This image shows blocks of bright, layered rock embedded in darker material that are thought to have been deposited by a giant flood that occurred when Uzboi Valles breached the rim of Holden Crater.
Flood-Emplaced Blocks in Holden Crater
NASA's Mars Reconnaissance Orbiter observes many slopes in the middle latitudes of Mars showing icy flows or glaciers. The region shown here, in the south-facing slope of a crater, is unusual becau...
Go with the (Bright) Flow
This image shows spidery channels eroded into Martian ground. It is a Sept. 12, 2016, example from HiRISE camera high-resolution observations of more than 20 places that were chosen in 2016 on the ...
Martian 'Spiders' in Sharper Look, Thanks to Volunteers
This animation demonstrates the salty ponds and streams that scientists think may have been left behind as Gale Crater dried out over time. The bottom of the image is the floor of Gale Crater, with...
Sutton Island Model of Drying Lakes
This image, taken with the High Resolution Imaging Science Experiment (HiRISE) camera, shows the transition between the "Murray Formation," in which layers are poorly expressed and difficult to tra...
Geological Transition
Boulder-size blocks of water ice can be seen around the rim of an impact crater on Mars, as viewed by the High-Resolution Imaging Science Experiment (HiRISE camera) aboard NASA’s Mars Reconnaissanc...
HiRISE Views a Mars Impact Crater Surrounded by Water Ice
This HiRISE image shows a portion of interior layered deposits (ILD) in Juventae Chasma. Juventae Chasma is a large depression near the equatorial canyon system Valles Marineris.
Interior Layered Deposits in Juventae Chasma
These long, smooth features are sand ridges shaped by the constant martian wind. They run perpendicular, or at right angles to, the direction of the wind and often found in channels and crater inte...
MRO Spots Sand Stripes
Terrain in Vastitas Borealis Region.
Terrain in Vastitas Borealis Region
The arm and the remote sensing mast of the Mars rover Curiosity each carry science instruments and other tools for NASA's Mars Science Laboratory mission.
Arm and Mast of NASA Mars Rover Curiosity
This image acquired on March 29, 2011 by NASAs Mars Reconnaissance Orbiter, shows dunes with ripples on their upwind slopes and dark streaks on their downwind slopes.
Active Dunes in Wirtz Crater
This map shows the route driven by NASA's Mars rover Curiosity through the 43rd Martian day, or sol, of the rover's mission on Mars (Sept. 19, 2012).
Curiosity Traverse Map Through Sol 43
This inner slope of a Martian crater has several of the seasonal dark streaks called "recurrent slope lineae," or RSL, that a November 2017 report interprets as granular flows, rather than darkenin...
Seasonal Dark Streaks in Tivat Crater, Mars
From a distance, the floor of this crater looks like a giant honeycomb or spider web. The intersecting shapes, or polygons, commonly occur in the northern lowlands of Mars.
Polygonal Patterned Ground
This set of images shows "before" and "after" images of NASA's Phoenix Mars Lander taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.
Image from Mars Orbit Indicates Solar Panels on Phoneix Lander may have Collapsed
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