The High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter took two images of the larger of Mars' two moons, Phobos, within 10 minutes of each other on March 23, 2008. This is the first.
Context of Carbonate Rocks in Heavily Eroded Martian Terrain
The color coding on this CRISM composite image of an area on Mars is based on infrared spectral information interpreted as evidence of various minerals present. Carbonate, which is indicative of a wet and non-acidic history, occurs in very small patches.
NASA's Mars Reconnaissance Rover spied these spider-like formations, likely caused as carbon dioxide ice changes from a solid to a gas; the gas moves through channels until it reaches the surface and vents out.
Anaglyph of the Basal Scarp of Olympus Mons Volcano
This anaglyph from NASA's Mars Reconnaissance Orbiter spacecraft, shows Olympus Mons, the largest volcano in the Solar System. Constructed of lava flows, many aspects of this titanic volcano remain puzzling. 3D glasses are necessary to view this image.
Ada Crater is a fresh (recently-formed) impact crater formed close to the southern edge of Meridiani Planum, far to the southeast of NASA's Opportunity rover. 3D glasses are necessary to view this image.
NASA's Mars Reconnaissance Orbiter color-codes thickness estimates in a newly found, buried deposit of frozen carbon dioxide, dry ice, near the south pole of Mars contains ~30 times more carbon dioxide than previously estimated to be frozen near the pole.
Material Excavated by a Fresh Impact and Identified as Water Ice
The Compact Reconnaissance Imaging Spectrometer for Mars, an instrument on NASA's Mars Reconnaissance Orbiter, obtained information confirming material excavated by a fresh impact and Identified as water ice.
This image from NASA's Mars Reconnaissance Orbiter shows Nili Fossae region of Mars, one of the largest exposures of clay minerals, and a prime candidate landing site for Mars Science Laboratory rover, Curiosity.
Fractures in Carbonate-Bearing Rocks at Mars' Huygens Basin
This false-color image NASA's Mars Reconnaissance Orbiter shows that fractures and possible layers are visible in the light-toned rock exposure containing the carbonates. The location is inside an unnamed crater on the uplifted rim of Huygens crater.
This image taken by NASA's Mars Reconnaissance Orbiter reveals meter-scale (yard-scale) surface textures of mesas and knobs in the Aureum Chaos region of Mars. Aureum Chaos is a wide region of plateaus, mesas, and knobs.
This false color image from NASA's Mars Reconnaissance Orbiter indicates that the volcanic cone in the Nili Patera caldera on Mars has hydrothermal mineral deposits on the southern flanks and nearby terrains.
Warm-Season Flows on Slope in Newton Crater (Five-Image Sequence)
This image comes from observations of Newton crater by the HiRISE camera onboard NASA's Mars Reconnaissance Orbiter. The features that extend down the slope during warm seasons are called recurring slope lineae.