<p>The Aesthetic Pleasure of a Gullied Crater – Are the smaller gullies younger? Do the gullies mark the sequence of a groundwater table receding? Can any changes be detected in the smaller ones?
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NASA/JPL/University of Arizona (Acquired: November 2016, approximately 257 kilometers above the surface. Scene is 5 km across. <a rel="nofollow" class="external text" href="http://www.uahirise.org/ESP_048450_1480">www.uahirise.org/ESP_048450_1480</a>)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2017-06-05 10:18
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/35050581281/">ESP_048450_1480</a>