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dnt zarrella mars curiosity_00013128
dnt zarrella mars curiosity_00013128

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    Search for life on Mars

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Search for life on Mars

NASA will attempt to land a suite of instruments on Mars in the most high-risk mission yet. CNN's John Zarrella reports.

Search for life on Mars

NASA will attempt to land a suite of instruments on Mars in the most high-risk mission yet. CNN's John Zarrella reports.