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Surprise! Hidden Antarctic Ice Canyons

According to the ESA on October 11, 2017, its : and Sentinel-1 missions have discovered huge canyons cutting through the underside of ice shelves in Antarctica. The ice shelves act as conveyor belts, by which snow that falls in Antarctica ultimately makes its way back to the sea. Portions of the ESA Statement: The ice sheet that covers Antarctica is, by…

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