Subglacial Lakes, Antarctica - related image preview

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Subglacial Lakes, Antarctica

To the untrained eye, Antarctica may look like a giant piece of solid ice that rarely changes, but scientists studying the continent have long known better. The icy surface is dynamic, with glaciers and "streams" of ice flowing toward the ocean.


NASA map by Robert Simmon, based on data from the Radarsat Antarctic Mapping Project, Ted Scambos, Chris Shuman, and Martin J. Siegert.

Published April 27, 2007

Source:
RADARSAT > SAR