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The Discovery of Water on Mars
Rovers and orbiting spacecraft have been combing the surface of Mars for evidence of water. Here's what they've found.
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Cosmic Journeys:   The Discovery of Water on Mars
Rovers and orbiting spacecraft have been combing the surface of Mars for evidence of water. Here's what they've found.
Aired: 5/3/11
Views: 489
Network:  SpaceRip
 
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