<p>Dramatic Changes over the South Polar Residual Cap
</p><p>The South Polar residual cap is composed of carbon dioxide ice that persists through each Martian summer. 
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NASA/JPL/University of Arizona
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2018-10-11 14:42
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