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"Welcome to Mars" follows the Mars rovers Spirit and Opportunity from the second they crash-land on the planet to many months into their ongoing mission. NOVA producer Mark Davis covered the story from NASA's Jet Propulsion Laboratory as it unfolded and provided a unique, behind-the-scenes take on this voyage of discovery, whose primary goal is to find evidence that liquid water once existed on Mars.

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current03:39, March 14, 2014Thumbnail for version as of 03:39, March 14, 2014480 × 269 (20 KB)Dehgoli (wall | contribs)created video


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