Published May 21, 2013 at 500 × 455 in UA Mars Camera Reveals Hundreds of Impacts Each Year One of many fresh impact craters spotted by the UA-led HiRISE camera, orbiting the Red Planet on board NASA’s Mars Reconnaissance Orbiter since 2006. (Photo by: NASA/JPL-Caltech/MSSS/UA) (Visited 18 times, 1 visits today)
