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Published June 15, 1968 | Published
Journal Article Open

Principal scientific results of the Surveyor 3 Mission

Abstract

The fine lunar surface material at the Surveyor 3 landing site has about 3 × 10^3-dyne/cm^2 cohesion, 35° angle of internal friction, 3 × 10^5-dyne/cm^2 static bearing capacity. A small rock withstood a local pressure of 2 × 10^7 dynes/cm^2. Soil strength and density increase significantly at depths of a few centimeters. Exposed surface has a considerably higher albedo than the material just below it. The photometric function changed when the surface was slightly compressed. Fine surface material appears to be gradually moving downslope.

Additional Information

Copyright 1968 by the American Geophysical Union. (Received January 23, 1968.)

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August 19, 2023
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