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File:Circles in Thin Ice, Lake Baikal, Russia.jpg


English: This image, a detailed astronaut photograph, shows a circle of thin ice (dark in colour, with a diameter of about 4.4 kilometers); this is the focal point for ice break up in the very southern end of the lake.
Date 20 April 2009
Source NASA Earth Observatory
Author Image provided by the ISS Crew Earth Observations experiment and Image Science & Analysis Laboratory, Johnson Space Centre.

This image was taken with a Nikon 2DXs digital camera fitted with a 400mm lens.


Public domain This file is in the public domain 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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