<p>Is That an Impact Crater? —  A closer look at a circular feature on the South Polar layered deposits.
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NASA/JPL/University of Arizona (<a rel="nofollow" class="external text" href="http://www.uahirise.org/ESP_049075_0995">www.uahirise.org/ESP_049075_0995</a>)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2017-03-28 13:27
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/33133741514/">ESP_049075_0995</a>