Mathematics – Logic
Scientific paper
May 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977spmf.conf.....a&link_type=abstract
American Institute of Aeronautics and Astronautics and Princeton University, Conference on Space Manufacturing Facilities, 3rd,
Mathematics
Logic
8
Chemical Composition, Extraterrestrial Resources, Geological Surveys, Lunar Composition, Apollo 15 Flight, Apollo 16 Flight, Basalt, Chemical Analysis, Lunar Geology, Lunar Orbiter, Lunar Rocks, Lunar Soil, Silicates, Space Commercialization, X Ray Analysis
Scientific paper
The chemical composition of lunar soil and rocks is known now for nine surface sites, by analysis of returned samples. Three classes of silicate material, mare basalt, KREEP, and highland material (sometimes called ANT) have been identified as major components. Gamma-ray and X-ray instruments have mapped the Apollo 15 and 16 ground tracks for major elements, K, and Th. It is hoped that the Lunar Polar Orbiter will carry instruments capable of producing a chemical map of the entire moon. The most exciting possibility is that ice may exist in shadowed regions near the lunar pole.
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