Lunar craters evolution and meteoroidal flux in pre-mare and post-mare times

Details Lunar craters evolution and meteoroidal flux in pre-mare and post-mare times Lunar craters evolution and meteoroidal flux in pre-mare and post-mare times

Apr 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981m%26p....24..209r&link_type=abstract

Moon and the Planets, vol. 24, Apr. 1981, p. 209-229.

Physics

2

Lunar Craters, Lunar Evolution, Lunar Geology, Lunar Maria, Meteorite Craters, Selenology, Geomorphology, Life (Durability), Lunar Orbiter, Lunar Photographs, Zond 8 Space Probe

Scientific paper

The geomorphic evolution and lifetimes of lunar craters are studied by analyzing craters listed in the Lunar and Planetary Catalog and crater data from Lunar Orbiter and Zond-8 photographs. Results indicate that steady-state conditions are reached on the maria for craters up to 220 m and on the terrae for craters up to at least 50 km. The fresh craters are a minority amounting to a few percent. It is suggested that a crater lasts a very short time (relative to its lifetime) in its fresh condition; in its mature state it lasts about an order of magnitude longer; and it spends most of its lifetime as an old crater. This seems to be true for both pre-mare and post-mare craters.

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