Mathematics – Logic
Scientific paper
Sep 1972
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1972moon....5..348j&link_type=abstract
The Moon, Volume 5, Issue 3-4, pp. 348-367
Mathematics
Logic
Scientific paper
The most significant findings about the Moon obtained by spacecraft so far, have resulted from measurements of gravity, electromagnetic properties, seismicity, mechanical properties, geologic features, composition, ages, and the lunar environment. A number of major lunar questions remain to be answered. Other properties, measurable with spacecraft, which may provide data critical to answering these questions include geometrical shape, motions, and heat flow. In this paper specific measurements that should provide critical data for each of these questions are identified, with some candidate techniques. Among the suggested techniques that have not yet been used are very long baseline interferometry (Earth-Moon baseline), gravity gradiometry, elemental analysis by neutron interactions, and remotely-controlled on-Moon microscopy. Different kinds of missions are suitable for the different measurements: lunar orbiters, soft-landers, long-range surface traverses, and sample return to Earth are all needed. The choice of manned vs remotely-controlled missions does not depend on scientific requirements but on other considerations. Both manned and remotely-controlled techniques have been used for orbiters, landers, and sample return, neither for a long-range traverse.
Choate R.
Coryell R. B.
Jaffe Leonard D.
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