Computer Science
Scientific paper
May 1970
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1970sci...168..825p&link_type=abstract
Science, Volume 168, Issue 3933, pp. 825-828
Computer Science
6
Scientific paper
More precise and comprehensive analytical results for lunar surface material in a terra region have been derived from the data of the alpha-scattering experiment on Surveyor 7. The silicon content and the low sodium abundance are close to that of mare material. The abundances of titanium and iron are at least a factor of 2 lower, whereas the abundances of aluminum and calcium are significantly higher. The analytical results provide direct evidence for chemical differentiation in the moon and indicate a lunar crust of appreciably lower density than the whole moon and with lower density and higher albedo than lunar mare material.
Economou Thanasis E.
Franzgrote Ernest J.
Patterson James H.
Sowinski Kenneth P.
Turkevich Anthony L.
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