Giant iceberg's birth seen from space

Associated Press
This Monday, July 16, 2012 satellite image provided by NASA shows calving, crescent-shaped crack at center, on the Petermann Glacier in northwestern Greenland. An iceberg twice the size of Manhattan tore off one of Greenland's largest glaciers. Scientists had been watching the 15-mile long crack in the floating ice shelf of the northerly Petermann Glacier for several years. On Monday NASA satellites showed it had broken completely, forming a 46 square mile iceberg. Petermann spawned an iceberg twice that size in 2010. (AP Photo/NASA)

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A process more than a decade in the making reached its climatic moment the week of July 16, when a giant iceberg finally broke away from the floating end of Greenland's Petermann glacier — and a passing satellite captured the drama on camera. The massive 46-mile square berg is now headed out to sea. (Aug. 3)

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