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Archiu:Scamander Vallis from Mars Global Surveyor.jpg

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Summary

Description
English: The heavily cratered terrains of Mars bear the scars of many, ancient valley systems and networks. When these were first seen in images from Mariner 9 more than 30 years ago, most investigators working on the topic concluded that the valleys must have formed by running water. This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a somewhat meandered portion of Scamander Vallis, located in central Arabia Terra near 16.9°N, 331.5°W. The valley today is quite dry and the entire area--valley, craters, and surrounding terrain--are covered by an almost uniform blanket of dust. Dark streaks on the slopes are formed by small avalanches of dust. Sunlight illuminates the scene from the right.
Date
Source http://photojournal.jpl.nasa.gov/catalog/PIA04682
Author NASA/JPL/Malin Space Science Systems
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA04682 and Alternate ID: MOC2-448.

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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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depicts English

inception English

10 August 2003

data size English

30,010 byte

height English

810 pixel

width English

540 pixel

media type English

image/jpeg

checksum English

3a843b926394ee05ea13e2a5ba11824d8b5afb91

determination method or standard English: SHA-1

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Data/HoraMiniaturaDimensionsUsuariDescripció
actual16:58 8 abr 2015Miniatura de la versió de 16:58 8 abr 2015540 × 810 (29 kB)wikimediacommons>HuntsterHigher resolution.

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