<p>A Mound in Gale Crater with Possible Sulfates – We certainly know that there was water in Gale Crater for a long time, but this is an area that the Curiosity rover cannot reach to explore.
</p><p>NASA/JPL/University of Arizona (269 km above the surface, less than 5 km across)
</p><p>Source: <a rel="nofollow" class="external text" href="https://www.uahirise.org/ESP_052598_1745">www.uahirise.org/ESP_052598_1745</a>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2018-07-31 10:05
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/43717799672/">ESP_052598_1745</a>