Physics
Scientific paper
Mar 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986jgr....91..413i&link_type=abstract
(Lunar and Planetary Institute, NASA, American Geophysical Union, et al., Lunar and Planetary Science Conference, 16th, Houston,
Physics
93
Meteorite Craters, Planetary Craters, Venera Satellites, Venus Surface, Geomorphology, Hypervelocity Impact, Planetary Evolution, Radar Imagery, Size Distribution, Venus Atmosphere
Scientific paper
From description of impact craters on Venus and crater size-and-depth distributions, models are developed that analyze the size-distribution curve and radar-bright haloes around fresh craters. The dense Venusian atmosphere has a strong influence on cratering. The estimated age of the surface of the area under study is from 0.5 to 1.0×109years. The estimated rate of resurfacing during this time interval is about 0.04 to 0.8 cm/106years. The lithosphere of Venus seems to be sufficiently rigid to sustain craters of 100 - 140 km diameter and 0.8 - 2.5 km depth for about 108years.
Bazilevskii Aleksandr T.
Chernaia I. M.
Ivanov Boris A.
Krivchkov V. P.
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