<p>Detecting Changes in the Dunes within Kaiser Crater – The edge of the crater pictured here is actually within Kaiser, which is much, much larger, about 207 km wide.
</p><p>NASA/JPL/University of Arizona (269 km above the suface.) 
</p>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2018-03-20 09:33
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