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2014-10-01 17:48:53

This image shows a NASA Blue Marble view of the Arctic on September 17, 2014 when sea ice extent was at 5.02 million square kilometers (1.94 million square miles). The orange line shows the 1981 to 2010 average extent for that day.

Image uploaded by Karen Graham
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Personal Albums Oct 31, 2013 - Environment
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