[Geology2] Mega-Canyon Discovered Beneath Greenland Ice

 

 

NASA Science News for August 29, 2013

 

Proving that there is still much to discover about the landscape of Earth, data from a NASA airborne science mission has revealed an immense and previously unknown canyon hidden under a mile of Greenland ice.

 

FULL STORY: http://science.nasa.gov/science-news/science-at-nasa/2013/29aug_megacanyon/

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