Paleomagnetism of the moon and the problem of planetary dynamo fields

Details Paleomagnetism of the moon and the problem of planetary dynamo fields Paleomagnetism of the moon and the problem of planetary dynamo fields

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986kosis..24..128d&link_type=abstract

Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 24, Jan.-Feb. 1986, p. 128-137. In Russian.

Astronomy and Astrophysics

Astronomy

Dynamo Theory, Lunar Magnetic Fields, Lunar Satellites, Paleomagnetism, Astronomical Models, Earth-Moon System, Gravitational Effects, Planetary Magnetic Fields, Precession

Scientific paper

It is shown in the framework of the precession dynamo model that lunar satellites which are hypothesized to have existed in near-equatorial orbits 4-3.8 billion years ago could have determined the generation of an intense dynamo field of 0.0001 T. Ancient lunar rocks could have acquired a thermoremanent magnetization in this field. According to this hypothesis, as the satellites fell to the lunar surface, this intense dynamo field was attenuated; however, a moderate-intensity dynamo field could have been generated during the lunar precession under the perturbing effect of the earth's gravitational field.

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