The role of large bodies in the formation of the earth and moon

Details The role of large bodies in the formation of the earth and moon The role of large bodies in the formation of the earth and moon

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976lpsc....7.3245w&link_type=abstract

In: Lunar Science Conference, 7th, Houston, Tex., March 15-19, 1976, Proceedings. Volume 3. (A77-34651 15-91) New York, Pergamon

Computer Science

10

Earth Planetary Structure, Lunar Evolution, Planetary Evolution, Planetary Mass, Magma, Planetary Magnetic Fields, Planetary Temperature

Scientific paper

Safronov (1969) made use of a runaway accretion model in order to predict a 'second largest mass' in the earth's accumulation zone of 0.001 earth masses. In the present paper, a variant of this model is proposed which leads to the second largest body being more massive, thereby implying significantly greater accretional heating of the moon. The analysis shows that significant primordial differentiation of the moon could have occurred even on a long (approximately 100 million years) time scale. The subsequent magmatic evolution of a heterogeneously melted and differentiated moon will be more complex than that of the magma ocean.

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