NASA Trapped Mars Rover Finds Evidence of Subsurface Water

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Source:  NASA RELEASE: 10-278
Excerpt: The ground where NASA's Mars Exploration Rover Spirit became stuck last year holds evidence that water, perhaps as snow melt, trickled into the subsurface fairly recently and on a
continuing basis. 

 www.nasa.gov/home/hqnews/2010/oct/HQ_10-278_Stuck_Spirit.html

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