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Published on May 22, 2013
This time-lapse video shows the calving of an ice island from Greenland's Petermann Glacier and the drifting of the ice down the fjord and southward through Nares Strait. The images were captured between July 9 and September 13, 2012, by NASA's Terra and Aqua earth-observing satellites. This is the second time in three years that a city-sized hunk of ice has ripped off from the glacier.