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The surface of Mars - The view from the Viking 1 landerImagery of the surface of Mars obtained by Viking 1 is analyzed. The lander is situated on the western slopes of the 5-km deep Chryse Planitia depression, about 2 km higher than the floor. The topography is gently rolling. Angular rocks and small sand dunes are visible. There are very few craters; initial evaluations indicate that crater area densities are several orders of magnitude below saturation for crater sizes less than about 50 m. The presence of scour marks and of fine-grained deposits in some boulders indicates that some aeolian activity has occurred. Almost all the sky brightness can be attributed to scattering by particles present in the atmosphere. No signs of movement have been detected, consistent with the low seasonal winds recorded by meteorological instruments.
Document ID
19760087404
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Mutch, T. A.
Patterson, W. R.
(Brown University Providence, R.I., United States)
Binder, A. B.
(Kiel, Neue Universitaet Kiel, West Germany; Science Applications, Inc., Pasadena, Calif., United States)
Huck, F. O.
Taylor, G. R.
(NASA Langley Research Center Hampton, Va., United States)
Levinthal, E. C.
Liebes, S., Jr.
(Stanford University Stanford, Calif., United States)
Morris, E. C.
(U.S. Geological Survey Flagstaff, Ariz., United States)
Pollack, J. B.
(NASA Ames Research Center Space Sciences Div., Moffett Field, Calif., United States)
Sagan, C.
(Cornell University Ithaca, N.Y., United States)
Date Acquired
August 8, 2013
Publication Date
August 27, 1976
Publication Information
Publication: Science
Volume: 193
Subject Category
Lunar And Planetary Exploration
Accession Number
76A41608
Funding Number(s)
PROJECT: PROJECT VIKING
Distribution Limits
Public
Copyright
Other

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