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Science 8 June 1973:
Vol. 180. no. 4090, pp. 1052 - 1055
DOI: 10.1126/science.180.4090.1052
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Articles

Avalanche Mode of Motion: Implications from Lunar Examples

Keith A. Howard 1

1 U.S. Geological Survey, Menlo Park, California 94025

A large avalanche (21 square kilometers) at the Apollo 17 landing site moved out several kilometers over flat ground beyond its source slope. If not triggered by impacts, then it was as "efficient" as terrestrial avalanches attributed to air-cushion sliding. Evidently lunar avalanches are able to flow despite the lack of lubricating fluid.


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Science. ISSN 0036-8075 (print), 1095-9203 (online)