Software help Mars rovers find winter havens

New software is helping NASA find safe places for the Spirit rover to ride out future Martian winters -- and also plan where Spirit and its companion rover, Opportunity, will explore in the future.

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<p><a href="http://www.physorg.com/news116601503.html">Software help Mars rovers find winter havens</a></p> <p>New software is helping NASA find safe places for the Spirit rover to ride out future Martian winters -- and also plan where Spirit and its companion rover, Opportunity, will explore in the future.</p>