Huge Mars Region Shaped by Water

[NewsDoober]

http://news.nationalgeographic.com/news/images/thumbs/090521-mars-rover-victoria-crater_170.jpg (http://news.nationalgeographic.com/news/bigphotos/30952829.html)Shifting sand dunes on ancient Mars (http://science.nationalgeographic.com/science/space/solar-system/mars-article.html) once concealed a network of underground water spread across an area the size of Oklahoma (http://travel.nationalgeographic.com/places/states/state_oklahoma.html), according to new findings from NASA’s Mars rover Opportunity. In 2004 Opportunity had spotted minerals and blueberry-shaped rocks indicative of ancient groundwater (http://news.nationalgeographic.com/news/2004/03/0303_040303_marswater.html) in the Martian crater Endurance.
- via NatGeo (http://news.nationalgeographic.com/news/2009/05/090521-mars-rover-victoria-crater.html)

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