Last year, images from NASA's Mars Reconnaissance Orbiter captured sand dunes and ripples moving across the surface of Mars—observations that challenged previously held beliefs that there was not a lot of movement on ...
Space Exploration
May 9, 2012
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An artistic interpretation of Curiosity's view high up on a Martian mountain was created by mission team members who were stunned by the sweeping landscape.
Planetary Sciences
Nov 23, 2021
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When a coastal tide rolls out, it can reveal beautiful ripples in the temporarily exposed sand. These same undulating patterns can also be seen in ancient, petrified seabeds that have been exposed in various parts of the ...
Earth Sciences
Sep 27, 2018
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93
Some of the wind-sculpted sand ripples on Mars are a type not seen on Earth, and their relationship to the thin Martian atmosphere today provides new clues about the atmosphere's history.
Space Exploration
Jul 1, 2016
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(PhysOrg.com) -- Some images of stark Martian landscapes provide visual appeal beyond their science value, including a recent scene of wind-sculpted features from the High Resolution Imaging Science Experiment (HiRISE) camera ...
Space Exploration
Jan 26, 2012
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(PhysOrg.com) -- A drive of 482 feet (146.8 meters) on June 1, 2011, took NASA's Mars Exploration Rover Opportunity past 30 kilometers (18.64 miles) in total odometry during 88 months of driving on Mars. That's 50 times the ...
Space Exploration
Jun 6, 2011
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0
When people on airplanes ask Alan Newell what he works on, he tells them "flower arrangements."
Mathematics
Feb 18, 2011
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0
sand or gravel or snow -- develops ripples that make driving a very shaky experience. A team of physicists from Canada, France and the United Kingdom have recreated this "washboard" phenomenon in the lab with surprising results: ...
General Physics
Jul 7, 2009
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Ophir Chasma forms the northern portion of the vast Mars canyon system Valles Marineris, and this image, acquired on Aug. 10, 2015, by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance ...
Space Exploration
Nov 10, 2015
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Aeolian ripples, which form regular patterns on sand beaches and desert floors, indicate the fundamental instability of flat sand surfaces under the wind-induced transport of sand grains.
Earth Sciences
Mar 20, 2012
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