File:History of Water on Mars.jpg

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English: Viking Program's hypothesized history of water on Mars. Composite study done by Chris McKay, Ames scientist. Art by Michael Carroll.
Date (released)
Source https://archive.org/details/AILS_AC90-0559-1; see also https://images.nasa.gov/details-ARC-1969-AC90-0559-1
Author NASA/Michael Carroll
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This image or video was catalogued by Ames Research Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: AC90-0559-1 and Alternate ID: ARC-1969-AC90-0559-1.

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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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current23:32, 10 December 20152,554 × 2,048 (4.73 MB)PlanetUseradj, color

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