NASA's Moon Plan Worries Mars Scientists

(AP) -- The chief scientist behind the twin Mars rovers said Wednesday he supports a human presence on the moon but hopes the journey won't dead-end there.

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<p><a href="http://www.physorg.com/news85300366.html">NASA's Moon Plan Worries Mars Scientists</a></p> <p>(AP) -- The chief scientist behind the twin Mars rovers said Wednesday he supports a human presence on the moon but hopes the journey won't dead-end there.</p>