File:Ophir Chasma.jpg

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Summary

DescriptionOphir Chasma.jpg	English: This synthetic oblique view shows Ophir Chasma, the northern most one of the connected valleys of Valles Marineris. For scale, the large impact crater in the right corner is about 30 km wide. Ophir Chasma is a large west-northwest-trending trough about 100 km wide. The Chasma is bordered by high-walled cliffs, most likely faults, that show spur-and-gully morphology and smooth sections. The walls have been dissected by landslides forming re-entrants. The volume of the landslide debris is more than 1,000 times greater than that from the May 18, 1980, debris avalanche from Mount St. Helens. The longitudinal grooves seen in the foreground are thought to be due to differential shear and lateral spreading at high velocities.
Date	22 August 2011
Source	NASA Image of the Day
Author	NASA/JPL/USGS

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.[1] 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. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] 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."

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	18:54, 22 August 2011		2,438 × 2,569 (778 KB)	Originalwana	{{Information \|Description ={{en\|1=This synthetic oblique view shows Ophir Chasma, the northern most one of the connected valleys of Valles Marineris. For scale, the large impact crater in lower right corner is about 30 km wide. Ophir Chasma is a larg

File usage

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Ophir Chasma

Global file usage

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Usage on it.wikipedia.org
- Utente:ValterVB/Sandbox/Liste/GPN/Marte
- Baetis Labēs
Usage on www.wikidata.org
- Q28653712
Usage on zh.wikipedia.org
- 俄斐峽谷

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