<p>An Unusual Sand Sheet in the Southern Mid-Latitudes — Are these ripples in the sand sheet active? These features are usually found further south, so what are they doing here?
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 (NASA/JPL/University of Arizona. Acquired: Feb 2017, approximately 249 kilometers above the surface. <a rel="nofollow" class="external text" href="https://www.uahirise.org/ESP_049514_1125">www.uahirise.org/ESP_049514_1125</a>)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2017-08-06 20:00
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/36317212712/">ESP_049514_1125</a>