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File:PIA00563-Viking1-FirstColorImage-19760721.jpg

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PIA00563-Viking1-FirstColorImage-19760721.jpg (563 × 512 pixels, file size: 234 KB, MIME type: image/jpeg)

Summary

Description
English: First colour image from Viking Lander 1. This color picture of Mars was taken July 21 1976 -- the day following Viking l's successful landing on the planet. The local time on Mars is approximately noon. The view is southeast from the Viking. Orange- red surface materials cover most of the surface, apparently forming a thin veneer over darker bedrock exposed in patches, as in the lower right. The reddish surface materials may be limonite (hydrated ferric oxide). Such weathering products form on Earth in the presence of water and an oxidizing atmosphere. The sky has a reddish cast, probably due to scattering and reflection from reddish sediment suspended in the lower atmosphere. The scene was scanned three times by the spacecraft's camera number 2, through a different color filter each time. To assist in balancing the colors, a second picture was taken of z test chart mounted on the rear of the spacecraft. Color data for these patches were adjusted until the patches were an appropriate color of gray. The same calibration was then used for the entire scene.
Date Taken on 21 July 1976
Source http://photojournal.jpl.nasa.gov/catalog/PIA00563 (image link)
Author NASA/JPL
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA00563.

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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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21 July 1976

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Date/TimeThumbnailDimensionsUserComment
current21:24, 13 March 2024Thumbnail for version as of 21:24, 13 March 2024563 × 512 (234 KB)Veikk0.maHigher quality, converted from the NASA-provided TIFF using jpegli's -q 98
07:21, 24 August 2015Thumbnail for version as of 07:21, 24 August 2015563 × 512 (51 KB)Jcpag2012Larger
15:18, 20 October 2012Thumbnail for version as of 15:18, 20 October 2012563 × 512 (51 KB)DrbogdanUser created page with UploadWizard

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