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File:Melt Ponds, Petermann Ice Island.JPG

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English: Astronauts on the International Space Station used a digital camera to capture this view of Petermann Ice Island A, fragment 2, off of the north-east coast of Newfoundland. Spanning roughly 4 kilometres by 3.5 kilometres, the ice island is covered with melt ponds and streams, much as the surface of Greenland looks in mid-summer. As ice melts on top of the Greenland ice sheet, the melt water forms streams and pools in the depressions on the ice surface. Drawn down-slope by gravity—much like streams on a mountainside—water also runs toward the edges of the ice. In some cases, it cracks through it and rushes to the bottom. Such processes appear to be at work on the ice island as well.
Date
Source NASA Earth Observatory
Author ISS Expedition 28 crew
This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: ISS028-E-34749.

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Image acquired with a Nikon D2Xs digital camera using a 400 mm lens, and is provided by the ISS Crew Earth Observations experiment and Image Science & Analysis Laboratory, Johnson Space Center.

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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current15:08, 17 September 2011Thumbnail for version as of 15:08, 17 September 20114,288 × 2,848 (6.83 MB)Originalwana (talk | contribs){{Information |Description ={{en|1=Astronauts on the International Space Station used a digital camera to capture this view of Petermann Ice Island A, fragment 2, off of the north-east coast of Newfoundland. Spanning roughl

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