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Climate history on Mars

Clip | 6m 32s

Is there life on Mars? To find the answer, scientists are studying the planet’s climate history. According to new findings using data from NASA's Mars reconnaissance orbiter, lakes and snowmelt- fed streams on Mars formed much later than previously thought possible. Sharon Wilson Purdy, geologist at the Smithsonian National Air and Space Museum tells us about these findings.

Aired: 01/30/17

Rating: NR

Video has closed captioning.

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