Πέμπτη 29 Αυγούστου 2013

Greenland's 'Grand Canyon' Revealed By Ice-Penetrating Radar | Video

A 460-mile-long stretch of canyon was discovered underneath Greenland's ice sheet by NASA's Operation IceBridge. It runs from the center of the island to the fjord of the Petermann Glacier.



via LiveScience.com http://www.livescience.com/39305-greenland-s-grand-canyon-revealed-by-ice-penetrating-radar-video.html

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