Man on Mars?NASA's Maven spacecraft explores the possibility

Aired: 9/21/2014 | 0:04:09 | Clip
The Nasa Maven spacecraft is expected to complete a 10-month voyage to Mars on Sunday. Once in orbit, NASA scientists will gather information about the Red Planet’s atmosphere. Information that will hopefully offer clues about Earth’s climate and the future possibility of man landing on Mars. The NewsHour’s Miles O’Brien talks about the mission’s significance with Hari Sreenivasan.

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