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  • The Bouncing Sands of Mars
    By on May 9, 2012 | Comments Off  Comments


    astroengine writes “New analysis of high-resolution images of Mars, taken by the High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA’s Mars Reconnaissance Orbiter, show sand dunes in an area known as Nili Patera are shifting as fast as some dunes on Earth — despite a dearth of high-speed winds. Scientists suspect it takes a big wind to get sand particles airborne, but once launched from the surface, they bounce (more…)