<p>Soffen Crater Floor: 
This crater on Mars was named after Dr. Gerald A. Soffen, project scientist for NASA's Viking program for Mars landers.
</p>
NASA/JPL/University of Arizona (5 km across; <a rel="nofollow" class="external text" href="http://www.uahirise.org/nea.php">www.uahirise.org/nea.php</a>)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2016-12-16 12:25
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/31791637845/">ESP_047561_1560</a>