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Science 27 June 1969:
Vol. 164. no. 3887, pp. 1514 - 1516
DOI: 10.1126/science.164.3887.1514
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Articles

Lunar Surface Material: Spacecraft Measurements of Density and Strength

Leonard D. Jaffe 1

1 Jet Propulsion Laboratory, California Institute of Technology, Pasadena 91103

The relation of the density of the lunar surface layer to depth is probably best determined from spacecraft measurements of the bearing capacity as a function of depth. A comparison of these values with laboratory measurements of the bearing capacity of low-cohesion particulate materials as a function of the percentage of solid indicates that the bulk density at the lunar surface is about 1.1 grams per cubic centimeter and that it increases nearly linearly to about 1.6 grams per cubic centimeter at a depth of 5 centimeters.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Strength-Density Relations in Particulate Silicates of Complex Shape and Their Possible Lunar Significance.
L. D. Jaffe and L. D. Jaffe (1969)
Science 165, 1121-1123
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Science. ISSN 0036-8075 (print), 1095-9203 (online)