Ryan Key

<strong>Quelle:</strong> <a href="//commons.wikimedia.org/w/index.php?title=User:EgonDonatello&amp;action=edit&amp;redlink=1" class="new" title="User:EgonDonatello (page does not exist)">Pat Ryan Key</a> - <span class="int-own-work" lang="en">Own work</span>

<strong>Quelle:</strong> <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/46681560@N00">Will Fresch</a> - <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/46681560@N00/16504021">Flickr</a>

<strong>Quelle:</strong> <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/19631375@N00">Liam Ward</a> - originally posted to <b><a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a></b> as <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/19631375@N00/237503730">Yellowcard 4</a>

<strong>Quelle:</strong> <a href="//commons.wikimedia.org/w/index.php?title=User:Groovyjoe&amp;action=edit&amp;redlink=1" class="new" title="User:Groovyjoe (page does not exist)">Groovyjoe</a> - <span class="int-own-work" lang="en">Own work</span>

<strong>Quelle:</strong> <a href="//commons.wikimedia.org/w/index.php?title=User:RyanA1084&amp;action=edit&amp;redlink=1" class="new" title="User:RyanA1084 (page does not exist)">Ryan Anderson</a> - The basemap for this image is a mosaic of images from the Context Camera (CTX) on the Mars Reconnaissance Orbiter (MRO). Clay and sulfate units are based on mineral parameter maps generated by <a rel="nofollow" class="external text" href="http://www.agu.org/journals/ABS/2010/2009GL041870.shtml">Milliken et al., 2010</a> using data from the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) on MRO. Other units and features are adapted from <a rel="nofollow" class="external text" href="http://marsjournal.org/contents/2010/0004/">Anderson and Bell, 2010</a>