Opportunity Mars Rover Completes Its First MarathonOpportunity Mars Rover Completes Its First Marathon
<p><a href="http://www.jpl.nasa.gov/spaceimages/details.php?id=pia19155" target="_blank" rel="nofollow"></a></p> <p>There was no tape draped across a finish line, but NASA is celebrating a win. The agency’s Mars Exploration Rover Opportunity completed its first Red Planet marathon
