Wikimore

Summary

DescriptionPermafrost - ice wedge.jpg	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.

العربية ∙ беларуская (тарашкевіца) ∙ català ∙ čeština ∙ Deutsch ∙ English ∙ español ∙ فارسی ∙ suomi ∙ français ∙ galego ∙ magyar ∙ italiano ∙ 日本語 ∙ ಕನ್ನಡ ∙ 한국어 ∙ македонски ∙ മലയാളം ∙ Plattdüütsch ∙ Nederlands ∙ norsk ∙ polski ∙ português ∙ русский ∙ sicilianu ∙ slovenščina ∙ svenska ∙ Tiếng Việt ∙ 中文 ∙ 中文（简体） ∙ 中文（繁體） ∙ 中文（臺灣） ∙ +/−

Category:Images of low quality#Permafrost%20-%20ice%20wedge.jpg

Licensing

	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.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI. See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

Category:PD NASA#Permafrost%20-%20ice%20wedge.jpg Category:Anatomy of ice wedges Category:Periglacial landforms Category:Outcrops

Wikimore

File:Permafrost - ice wedge.jpg

Summary

Licensing