<p>Knobs in West Candor Chasma — Are these possible spring mounds or liquefaction structures (meaning they resist erosion in a wet environment)?
</p><p>NASA/JPL/University of Arizona (264 km above the surface, less than 5 km across)
</p>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2018-04-18 11:13
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