Friday, May 22, 2009

Huge Mars Region Shaped by Water

mars victoria crater picture Shifting sand dunes on ancient Mars once concealed a network of underground water spread across an area the size of Oklahoma, according to new findings from NASA's Mars rover Opportunity. In 2004 Opportunity had spotted minerals and blueberry-shaped rocks indicative of ancient groundwater in the Martian crater Endurance.
- via NatGeo

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