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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 map shows the frequency of carbon dioxide frost's presence at sunrise on Mars, as a percentage of days year-round. Carbon dioxide ice more often covers the ground at night in some mid-latitude...
Where on Mars Does Carbon Dioxide Frost Form Often?
Mawrth Vallis is one of the oldest valleys on Mars, formed in and subsequently covered by layered rocks, which are now exposed due to erosion. Mars orbiters have observed clay minerals that form in...
Mawrth Vallis (3-D)
This unnamed impact crater is about 8 kilometers in diameter and contains numerous gullies.
Bright Gully Deposits on Mars
The High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter captured winter images of NASA's Phoenix Mars Lander surrounded by dry-ice frost on Mars.
Phoenix in Winter
This map shows the thickness of the north polar layered deposits on Mars as measured by the Shallow Radar instrument on NASA's Mars Reconnaissance Orbiter.
How Thick is the North Polar Ice Cap on Mars?
Mars Reconnaissance Orbiter is Off to Mars!
Mars Reconnaissance Orbiter is Off to Mars!
NASA's Mars Reconnaissance Orbiter has revealed Martian rocks containing a hydrated mineral similar to opal. The rocks are light-toned and appear cream-colored in this false-color image taken by th...
Gemstone of the Year - Labeled
The insert in this image is a simulation of what the Mars Reconnaissance Orbiter's optical navigation camera images of the Martian moons Phobos and Deimos will look like.
Phobos and Deimos, Prepare to Say 'Cheese!'
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
Back-and-forth blinking of this two-image animation shows movement of ripples covering a sand dune on Mars.
Ripple Movement on Sand Dune in Nili Patera, Mars
This image shows the landing site of NASA's Curiosity rover and destinations scientists want to investigate.
Glenelg Intrigue
The white speck is NASA’s Perseverance rover in the “South Séítah” area of Mars’ Jezero Crater.
HiRISE Spots Perseverance in 'South Séítah'
This April 6, 2014, image from the Context Camera on NASA's Mars Reconnaissance Orbiter was taken as a follow-up to discovery of a possible 2012 impact scar in images from the orbiter's Mars Color ...
Fresh Mars Crater Confirmed Within Impact Scar
This image acquired on January 27, 2019 by NASAs Mars Reconnaissance Orbiter, shows the extensive central peak complex of Hale Crater.
Bedrock in the Central Peaks of Hale Crater
This image acquired on January 20, 2019 by NASAs Mars Reconnaissance Orbiter, shows a chaotic jumble of bright layered sediments, perhaps resulting from large landslides.
Jumbled Blocks on the Floor of Melas Chasma
The two largest quakes detected by NASA's InSight appear to have originated in a region of Mars called Cerberus Fossae.
Landslides in Mars' Cerberus Fossae
This image is located within Northern Sinus Meridiani, a region of ridged terrains and extensive stratigraphic layering.
Crater with Surrounding Bench in Sinus Meridiani (3-D)
This 3D, or stereo anaglyph, view shows NASA's Mars rover Curiosity where it landed on Mars within Gale Crater, at a site now called Bradbury Landing. The view was produced from images taken by the...
Curiosity at Bradbury Landing Site in 3D
Dry ice causes "Swiss Cheese" terrain on Mars.
"Swiss Cheese" Terrain on Mars
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
Two dark, rimless pits are located to the northwest of Ascraeus Mons in the Tharsis volcanic region of Mars.
Dark Rimless Pits in the Tharsis Region
NASA's Opportunity rover appears as a blip in the center of this square. This image taken by HiRISE, a high-resolution camera onboard NASA's Mars Reconnaissance Orbiter, shows the dust storm over P...
Opportunity After the Dust Storm
The new global mosaic, shown in a detail example at left, is stitched together from images taken by MRO’s Context Camera, which captures the Martian surface in long strips. The process is revealed ...
How the Mosaic Combines CTX Images
A rippled dune front in Herschel Crater on Mars moved an average of about two meters (about two yards) between March 3, 2007 and December 1, 2010, as seen in these images from NASA's Mars Reconnais...
Rippling Dune Front in Herschel Crater on Mars
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
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