<p>A Raised Sinuous Ridge —
What process might have created this? Fluvial, glacial or perhaps volcanic?
</p><p>NASA/JPL/University of Arizona (251 km above the surface, less than 5 km across).
</p>
<a rel="nofollow" class="external text" href="https://www.uahirise.org/ESP_050997_1365">www.uahirise.org/ESP_050997_1365</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2018-05-09 09:15
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/41954633332/">ESP_050997_1365</a>