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File:Permafrost - ice wedge.jpg

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Permafrost_-_ice_wedge.jpg (349 × 241 pixels, file size: 33 KB, MIME type: image/jpeg)

Summary

Description The ice wedge in permafrost.
Source science.nasa.gov/science-news/science-at-nasa/1999/ast27jul99 1
Author NASA employee?
Permission
(Reusing this file)		 PD-USGov-NASA
This image is very small, unfixably too light/dark, or may not adequately illustrate the subject of the image. If a higher-quality version of this particular image is available, please replace this one; otherwise, a supplemental image illustrating this subject and available under a free license should be found or provided and uploaded as a separate file.

Please see Category:Image cleanup templates for templates used to mark images that only need a clean-up. For more help, see Commons:Media for cleanup#Low quality images.

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Licensing

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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Date/TimeThumbnailDimensionsUserComment
current11:55, 21 February 2008Thumbnail for version as of 11:55, 21 February 2008349 × 241 (33 KB)Finavonborder cropped
10:21, 17 April 2005Thumbnail for version as of 10:21, 17 April 2005370 × 261 (35 KB)Ktz~commonswikiThe ice wedge in permafrost. http://science.nasa.gov/newhome/headlines/ast27jul99_1.htm {{PD-USGov-NASA}}

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