Mars Scientist NPR's Scott Simon speaks with Stephen Squyres, the head scientist for NASA's Mars Exploration Rover program, about the challenges of landing an unmanned spacecraft on Mars and what he believes the chances are for life on the Red Planet.
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Mars Scientist

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Mars Scientist

Mars Scientist

Mars Scientist

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  • <iframe src="https://www.npr.org/player/embed/1581423/1581424" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

NPR's Scott Simon speaks with Stephen Squyres, the head scientist for NASA's Mars Exploration Rover program, about the challenges of landing an unmanned spacecraft on Mars and what he believes the chances are for life on the Red Planet.

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