Critical review of theories on the origin of the solar system

Details Critical review of theories on the origin of the solar system Critical review of theories on the origin of the solar system

Jun 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976acasn..17...93t&link_type=abstract

Acta Astronomica Sinica, vol. 17, June 1976, p. 93-105. In Chinese, with abstract in English.

Astronomy and Astrophysics

Astronomy

2

Cosmology, Planetary Evolution, Solar System, Stellar Evolution, Gravitational Effects, Ice, Interplanetary Dust, Nebulae, Particle Motion, Planetary Rotation, Tides

Scientific paper

Forty theories on the origin of the solar system are critically reviewed, with special attention focused on two fundamental problems: the source of planetary material and the mode of planetary formation. The nebular hypothesis of Kant and Laplace is taken as generally correct, but revision and development of their theories are proposed. Dust and ice particles first coagulated to form planetesimals, then planetesimals coagulated to form planets. Dust and ice particles first sank to the equatorial plane. The resulting increase in density greatly accelerated the process of planetary formation. Rotation of planets did not originate as a result of solar tidal action on huge protoplanets, but as a result of impact of planetesimals on planetary embryos.

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