S38 Ep13: The Mars Rover, "Curiosity"

Aired: 10/18/2011 | 0:04:25 | Clip
Scientists want to know if methane gas on Mars is a product of biological processes or a result of geologic activity. To find out, NASA is sending a robotic rover called Curiosity to Mars. This video clip from NOVA's program Finding Life Beyond Earth explores the questions that drive the scientists and the implications of possible findings.

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