The surface of Mars - The view from the Viking 1 lander

Details The surface of Mars - The view from the Viking 1 lander The surface of Mars - The view from the Viking 1 lander

Aug 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976sci...193..791m&link_type=abstract

Science, vol. 193, Aug. 27, 1976, p. 791-801. Research supported by the Alfred P. Sloan Foundation and NASA

Physics

Optics

10

Mars Atmosphere, Mars Photographs, Mars Surface, Mars Surface Samples, Viking Lander 1, Atmospheric Optics, Black And White Photography, Color Photography, Craters, Meteorological Parameters, Soil Science, Stereophotography, Topography

Scientific paper

Imagery 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.

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