Mathematics – Logic
Scientific paper
Apr 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980avest..13..211s&link_type=abstract
(Astronomicheskii Vestnik, vol. 13, Oct.-Dec. 1979, p. 211-217.) Solar System Research, vol. 13, no. 4, Apr. 1980, p. 165-170. T
Mathematics
Logic
Lunar Surface, Mars Surface, Mercury (Planet), Photogeology, Planetary Craters, Structural Basins, Structural Properties (Geology), Distribution (Property), Lunar Craters, Lunar Geology, Morphology
Scientific paper
The morphological properties of large concentric basins are considered. The most common characteristics of large concentric basins are: (1) the presence of chains and valleys located near the basins or inside them; (2) the outer ridge, as a rule, is better preserved than the inner one; and (3) the surface of the inner depression is covered with craters to a lesser extent than the surface between the inner and outer ridges. Concentric basins on Mercury and Mars are located in the boundary regions of the plains in contrast to the lunar basins, which are located in large part in the highlands. It is shown that the ratio of the diameter of the outer rim of double-ringed structures to the diameter of the inner rim is 2:1 or close to this on the moon, Mercury, and Mars. For three-ringed basins on the moon this ratio is 2:1.5:1. It is shown that with increasing radius and mass for the celestial object the dimensions of the concentric basins decrease and their range is decreased.
Rodionova Zh. F.
Skobeleva T. P.
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