<p>A Rocky Crater Wall 
</p><p>This crater is near Grjota Valles, a possible past source of water and lava. It’s also a reasonable place to look for what is called “columnar jointing.” 
</p>
NASA/JPL/University of Arizona (282 km above the surface. Scene is 5 km across. <a rel="nofollow" class="external text" href="https://www.uahirise.org/ESP_050039_1970">www.uahirise.org/ESP_050039_1970</a>)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2017-11-03 14:45
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/38245873061/">ESP_050039_1970</a>