Browse Archive
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Advancing Dune in Nili Patera, Mars
Back-and-forth blinking of this two-image animation shows movement of a sand dune on Mars. The images are part of a study published by Nature on May 9, 2012, reporting movement of Martian sand dunes a...
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The Serpent Dust Devil of Mars
A towering dust devil casts a serpentine shadow over the Martian surface in this image acquired by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter....
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Phoenix Back Shell After Second Martian Winter
This image, taken Jan. 26, 2012, shows the back shell of NASA's Phoenix Mars Lander spacecraft after its second Martian arctic winter.
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Spirit Lander and Bonneville Crater in Color
Near the lower left corner of this view is the three-petal lander platform that NASA's Mars Exploration Rover Spirit drove off in January 2004. The lander is still bright, but with a reddish color, pr...
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Dunes in Noachis Terra Region of Mars
This enhanced-color image shows sand dunes trapped in an impact crater in Noachis Terra, Mars. Dunes and sand ripples of various shapes and sizes display the natural beauty created by physical process...
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Edge of North Polar Erg
This scene is from early spring in the northern hemisphere of Mars. These dunes are covered with a layer of seasonal carbon dioxide ice (dry ice). Bluish cracks in the ice are visible across the top o...
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Shifting Sand in Herschel Crater
The eastern margin of a rippled dune in Herschel Crater on Mars moved an average distance of three meters (about three yards) between March 3, 2007 and December 1, 2010, as seen by NASA's Mars Reconna...
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Rippling Dune Front in Herschel Crater on Mars
A rippled dune front in Herschel Crater on Mars moved an average of about one meter (about one yard) between March 3, 2007 and December 1, 2010, as seen in these images from NASA's Mars Reconnaissance...
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Rippling Dune Front in Herschel Crater on Mars
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 Reconnaissan...
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Blowing in the Martian Wind
A rippled patch of sand in Becquerel Crater on Mars moved about two meters (about two yards) between November 24, 2006 and September 5, 2010, as observed in these images taken by NASA's Mars Reconnais...
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Movement in Martian Dune Field
A dune in the northern polar region of Mars shows significant changes between two images taken on June 25, 2008 and May 21, 2010 by NASA's Mars Reconnaissance Orbiter. This motion includes landslides ...
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Clay Minerals in Craters and Escarpments on Mars
Impact cratering and erosion combine to reveal the composition of the Martian underground by exposing materials from the subsurface. Investigation of exposed clay minerals at thousands of Martian site...
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Warm-Season Flows on Slope in Newton Crater
This series of images shows warm-season features that might be evidence of salty liquid water active on Mars today. Evidence for that possible interpretation is presented in a report by McEwen et al. ...
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Site of Warm Season Flows in Mars Crater
This image shows warm-season flows on a north-facing slope in middle southern latitudes of Mars. It was taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnais...
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Ice, Salt and Warm-Season Flows on Mars
This map of Mars shows relative locations of three types of findings related to salt or frozen water, plus a new type of finding that may be related to both salt and water.
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Warm-Season Flows on Slope in Newton Crater (Five-Image Sequence)
This series of images shows warm-season features that might be evidence of salty liquid water active on Mars today. Evidence for that possible interpretation is presented in a report by McEwen et al. ...
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Dark Flows in Newton Crater Extending During Summer (Six-Image Sequence)
This series of images shows warm-season features that might be evidence of salty liquid water active on Mars today. Evidence for that possible interpretation is presented in a report by McEwen et al. ...
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Oblique View of Warm Season Flows in Newton Crater
An image combining orbital imagery with 3-D modeling shows flows that appear in spring and summer on a slope inside Mars' Newton crater. Sequences of observations recording the seasonal changes at thi...
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Warm-Season Flows on Slope in Horowitz Crater (Eight-Image Sequence)
This series of images shows warm-season features that might be evidence of salty liquid water active on Mars today. Evidence for that possible interpretation is presented in a report by McEwen et al. ...
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Warm-Season Flows on Steep Slope in Slope in Terra Cimmeria (Eight-Image Sequence)
This series of images shows warm-season features that might be evidence of salty liquid water active on Mars today. Evidence for that possible interpretation is presented in a report by McEwen et al. ...
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