Most impact craters are usually circular and fairly symmetric, but not all. This oddly shaped crater on Mars is obviously an impact crater, but it has a unique oblong shape. What happened?
Planetary Sciences
Apr 25, 2022
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Impact craters have been called the "poor geologists' drill," since they allow scientists to look beneath to the subsurface of a planet without actually digging down. It's estimated that Mars has over 600,000 craters, so ...
Space Exploration
Oct 7, 2020
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430
Among the many discoveries by NASA's Mars Reconnaissance Orbiter since the mission was launched on Aug. 12, 2005, are seasonal flows on some steep slopes. These flows have a set of characteristics consistent with shallow ...
Space Exploration
Aug 13, 2015
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The High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA's Mars Reconnaissance Orbiter acquired this closeup image of a "fresh" (on a geological scale, though quite old on a human scale) impact crater in ...
Space Exploration
Jun 8, 2015
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What are these thick dune-like features on Mars, and how were they formed? Scientists are still trying to puzzle out these ridges, which you can see above in a more tropical region of the Red Planet called Iapygia, which ...
Space Exploration
Sep 19, 2014
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Nili Patera is one of the most active dune fields on Mars. As such, it is continuously monitored with the HiRISE (High Resolution Imaging Science Experiment) camera, a science instrument aboard NASA's Mars Reconnaissance ...
Space Exploration
May 5, 2014
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A comparison of images taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter in November 2010 and May 2013 reveal the formation of a new gully channel on a crater-wall ...
Space Exploration
Mar 20, 2014
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(Phys.org) —A new image from a telescopic camera orbiting Mars shows NASA's Mars Exploration Rover Opportunity at work on "Murray Ridge," without any new impact craters nearby.
Space Exploration
Feb 20, 2014
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(Phys.org) —NASA's Curiosity Mars rover and its recent tracks from driving in Gale Crater appear in an image taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter ...
Space Exploration
Jan 9, 2014
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Amateur astronomers in Russia made a discovery last week any professional would envy – it seems they may have identified the remnants of the ill-fated Soviet Mars 3 lander, 30 years after it lost contact with Earth.
Astronomy
Apr 19, 2013
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