CNES, 1988 DISTRIBUTION SPOT IMAGE / SCIENCE PHOTO LIBRARY CNES, 1988 DISTRIBUTION SPOT IMAGE / SCIENCE PHOTO LIBRARY
Lambert glacier. Infrared satellite image of part of the Lambert Glacier (upper left), the world's biggest, in Mac Robertson Land, Antarctica. North is at top. Ice appears white & blue, and exposed rock is black. Flow lines in the upper left of the image indicate the flow of ice northwards towards the ocean. At upper right is Beaver Lake, a large depression which diverts part of the glacier's flow. The Lambert glacier is 400 kilometres long. Glaciers are river-like flows made from snow comp- acted into ice. This acts as a viscous fluid so that a glacier moves at 1-30 metres a day. Image taken by the French SPOT-1 satellite in March.
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