<p>​Multiple Curved Ridges at End of Valley in Protonilus Mensae — They look like moraines of glaciers on Earth. HiRISE may be able to see grooves and other indications of movement on the surface, as well as seeing differences in surface textures.
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NASA/JPL/University of Arizona (Feb 2017, 297 km above the surface. Scene is less than 5 km across. <a rel="nofollow" class="external text" href="https://www.uahirise.org/ESP_049621_2210">www.uahirise.org/ESP_049621_2210</a>)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2017-09-27 10:55
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/37355800331/">ESP_049621_2210</a>