Impact craters of Venus: Analysis of Venera 15 and 16 data

Details Impact craters of Venus: Analysis of Venera 15 and 16 data Impact craters of Venus: Analysis of Venera 15 and 16 data

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986jgr....91d.413i&link_type=abstract

Journal of Geophysical Research, Volume 91, Issue B4, p. D413-D430

Physics

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 1.0×109 years. The estimated rate of resurfacing during this time interval is about 0.04 to 0.8 cm/106 years. 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 108 years.

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