Browse Archive
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Graben Cutting Lava Flow in Tharsis
This image shows a graben (a trough formed when the ground drops between two parallel faults) and a lava flow in the Tharsis volcanic province of Mars. North is up. The image covers an area about 6 ki...
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Sand Ripples Inside a Rimless Martian Pit (Stretched)
This enhanced image shows the inside of a rimless pit about 180 meters (591 feet) in diameter, northwest of the mountain Ascraeus Mons in the northern hemisphere of Mars. The pit has a very steep east...
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Boulders Inside a Rimless Martian Pit (Stretched)
This enhanced image shows the inside of a rimless pit about 310 meters (1,017 feet) in diameter, northwest of the mountain Ascraeus Mons in the northern hemisphere of Mars. The pit has a very steep ea...
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Mars Volcanic Cone with Hydrothermal Deposits
This volcanic cone in the Nili Patera caldera on Mars has hydrothermal mineral deposits on the southern flanks and nearby terrains. Light-toned patches on the closest flank of the cone, and the entire...
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Gully Changes on Martian Sand Dune
The gullies on a Martian sand dune in this trio of images from NASA's Mars Reconnaissance Orbiter deceptively resemble features on Earth that are carved by streams of water.
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Exposed Ice in a Fresh Crater
At the center of this view of an area of mid-latitude northern Mars, a fresh crater about 6 meters (20 feet) in diameter holds an exposure of bright material, blue in this false-color image. The High-...
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Hydrated Minerals Exposed at Stokes, Northern Mars
Stokes Crater, pictured here, is one of at least nine craters in the northern lowlands of Mars with exposures of hydrated minerals detected from orbit, according to a June 25, 2010, report.
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Hydrated Minerals Exposed at Lyot, Northern Mars
Lyot Crater, pictured here, is one of at least nine craters in the northern lowlands of Mars with exposures of hydrated minerals detected from orbit, according to a June 25, 2010, report.
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Northern Ice Cap of Mars
This image, combining data from two instruments aboard NASA’s Mars Global Surveyor, depicts an orbital view of the north polar region of Mars.
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North Polar Cap Cross Section
This image shows a cross-section of a portion of the north polar ice cap of Mars, derived from data acquired by the Mars Reconnaissance Orbiter's Shallow Radar (SHARAD).
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Intra-Crater Structure in NW Hellas Basin, Mars
The view of oddly sculpted ground inside the giant Hellas Basin on Mars comes from the High Resolution Imaging Science Instrument on NASA's Mars Reconnaissance Orbiter.
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Dust-Mantled Topography near Zephyria Tholus
This image covers some high-standing topography just outside the rim of an impact crater about 30 kilometers (19 miles) in diameter near a Martian hill named Zephyria Tholus.
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Lobate Debris Apron in Deuteronilus Mensae
The terrain in this image lies in the Deuteronilus Mensae region along the highland-lowland dichotomy boundary in the northern hemisphere of Mars.
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Icy Layers and Climate Fluctuations
The Martian north polar layered deposits are an ice sheet much like the Greenland ice sheet on the Earth.
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Boulder Strewn Plain in Northern Utopia Planitia
Common to the northern plains of Mars are rock and boulder strewn landscapes otherwise devoid of major features except a few impact craters.
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Deposits on the Floor of Palos Crater
This image shows a portion of the floor in Palos Crater on equatorial Mars.
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Collapsing Volcano; Edge of Olympus Mons
This image covers the northern edge of the largest volcano in the solar system, Olympus Mons on Mars.
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Dunes on Floor of Samara Valles, Mars
Samara Valles is one of the longest ancient valley systems on Mars.
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Mesas in Aureum Chaos
This image reveals meter-scale (yard-scale) surface textures of mesas and knobs in the Aureum Chaos region of Mars.
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Changes in Ripples on Martian Dunes in Nili Patera
Three pairs of before and after images from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter illustrate movement of ripples on dark sand dunes in the Nili Patera region of Mars.