Before and After Images Reveal New Impact Sites on Mars (IMAGE)

University of Arizona

Before and After Images Reveal New Impact Sites on Mars

Caption

These images taken by the Mars Reconnaissance Orbiter document the appearance of a new cluster of impact craters on Mars. The upper-right image (May 2011) shows a dark patch at the center that is not present in the upper-left image, taken in August 2010. The scale bar on each of these two images is 2.5 kilometers (1.6 miles). Impacts produce a dark-looking blast zone where the dust is disturbed. Researchers investigated the new dark spot with the UA's HiRISE camera, obtaining the lower image showing a cluster of small, fresh craters. The scale bar on this image is 100 meters (328 feet).

Credit

NASA/JPL-Caltech/MSSS/Univ. of Arizona

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