<p>Sand Monitoring in Pasteur Crater: what do we monitor the sand for? For its movement by the wind.
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NASA/JPL/University of Arizona (less than 5 km across; <a rel="nofollow" class="external text" href="http://www.uahirise.org/ESP_045785_1995">www.uahirise.org/ESP_045785_1995</a>)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2016-06-01 14:52
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/27332844251/">ESP_045785_1995</a>