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This most recent book from lunar expert Charles J. Byrne combines the latest comprehensive imagery, topography and gravity data from all three recent Moon missions, Kaguya, Lunar Reconnaissance Orbiter and GRAIL. These major polar-orbit surveys are presented here in compact form for the convenience of amateur and practical astronomers concerned with the Moon. Chosen from the Near and Far Side's large craters and basins over 200 km in diameter, each of the 71 highlighted features is depicted with a two-page presentation of the data that includes false color topographic maps next to the mission images. Additionally, the features are presented in the estimated chronological sequence of their cr...
This set of 8 tactile images (11" x 11-1/2") created by the National Aeronautics and Space Administration (NASA) is intended for users of all ages with particular support to those who are blind and visually impaired. Images include: The Moon; Tycho Crater; Moltke Crater; Schrodinger Basin; Theophilus Crater; South Pole Aitken (SPA); SPA size with respect to the Moon; and Impact stages. Also includes a CD which contains an audio file and text in PDF format.
A previous model is extended to include the effects of the disappearance of craters due to filling by dust or lava. Both the age distribution and expected number density of lunar craters are obtained as functions of crater diameter and of time. These results are applied to the meteoroidal impact hypothesis of the origin of lunar craters. Good agreement is obtained with observed number densities on the lunar continents and maria. It is assumed that the rate of filling of craters on the continents corresponds to the rate of meteoritic accretion, and the rate of filling on the maria is 50 to 100 times larger than on the continents, corresponding to filling of mare craters by lava.