Geochemical implications of the formation of the moon by a single giant impact

Details Geochemical implications of the formation of the moon by a single giant impact Geochemical implications of the formation of the moon by a single giant impact

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989natur.338...29n&link_type=abstract

Nature (ISSN 0028-0836), vol. 338, March 2, 1989, p. 29-34. Research supported by NASA and NSF.

Computer Science

51

Earth-Moon System, Geochemistry, Hypervelocity Impact, Lunar Composition, Lunar Evolution, Chondrites, Earth Mantle, Iron Oxides, Siderites, Solar System, Moon, Geochemistry, Formation, Origin, Impacts, Earth-Moon System, Angular Momentum, Orbital Elements, Density, Chemistry, Mantle, Hypotheses, Dynamics, Diagrams, Lithophiles, Volatiles, Siderophiles, Theoretical Studies, Collisions, Depletion, Enrichment, Core, Models, Melting, Accretion, Size, Mass, Composition, Velocity, Differentiation, Metal, Silicat

Scientific paper

The origin of the moon by a single massive impact of a body slightly larger than Mars with the earth can explain the angular momentum, orbital characteristics and unique nature of the earth-moon system. The density and chemical differences between the earth and the moon are accounted for by deriving the moon from the mantle of the impactor. A cosmochemically plausible impactor can be formed in the region of the inner Solar System, lending support to the impact hypothesis.

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