<p>The Simplicity of Linear Dunes 
</p><p>NASA/JPL/University of Arizona (322 km above the surface, less than 1 km top to bottom and north is approximately to the left)
</p><p>Source: <a rel="nofollow" class="external text" href="https://www.uahirise.org/ESP_017963_2640">www.uahirise.org/ESP_017963_2640</a>
</p>
​
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2018-07-31 11:09
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/43023624885/">ESP_017963_2640</a>