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Thursday, August 29, 2013

NASA Data Reveals Mega-Canyon Under Greenland Ice Sheet

NASA Data Reveals Mega-Canyon Under Greenland Ice Sheet

Aug. 29, 2013 — Data from a NASA airborne science mission reveals evidence of a large and previously unknown canyon hidden under a mile of Greenland ice.

http://www.sciencedaily.com/releases/2013/08/130829141632.htm

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