How can you tell if a crater is recent? The rim is sharp and the material ejected from its formation is well-preserved. Since it’s relatively recent — in geological time — this crater could have a “steep, active slope,” so NASA will monitor it for changes.
This image was taken by the High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA’s Mars Reconnaissance Orbiter on March 30, 2015.
Image credit: NASA/JPL/University of Arizona
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