Lunar Surface Strength Estimate from Orbiter II Photograph

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Science  16 Jun 1967:
Vol. 156, Issue 3781, pp. 1486-1487
DOI: 10.1126/science.156.3781.1486


Lunar Orbiter II photographed a 13-meter boulder which has rolled down the inner slope of a 3-kilometer crater leaving a track 6 meters wide. A static-bearing . strength of 4 x 106 dynes per square centimeter at 75-centimeter depth is estimated from these data if certain assumptions are made.