File:Surveyor 1 SP-168 p60a.jpg

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Surveyor_1_SP-168_p60a.jpg (234 × 252 pixels, file size: 13 KB, MIME type: image/jpeg)

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Description
English: "As the Sun approaches the lunar horizon," GEORGE H. SUTTON, University of Hawaii, said of (this photo), "lengthening shadows emphasize the pockmarked and rubble-strewn character of the surface. Raised rims of several craters and angular outlines of many surface fragments stand out sharply. In addition to giving a clear impression of the nature of the lunar surface, the long shadows in such pictures, taken at low Sun angles, can be measured to determine shapes and sizes of surface irregularities, obtaining accurate estimates of the size distribution of fragments and the shapes of craters."
Date
Source EXPLORING SPACE WITH A CAMERA, Section 2, To the Moon and Beyond, Special Publication 168 (SP-168), Compiled and Edited by Edgar M. Cortright, Scientific and Technical Information Division, OFFICE OF TECHNOLOGY UTILIZATION, NATIONAL AERONAUTICS AND SPACE ADMINISTRATION. Washington, D.C., 1968
Author NASA

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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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Date/TimeThumbnailDimensionsUserComment
current19:52, 26 February 2017Thumbnail for version as of 19:52, 26 February 2017234 × 252 (13 KB)Jstuby (talk | contribs)User created page with UploadWizard

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