A model of the accumulation process in the formation of planetary systems. II - Rotation of the planets and the relation of the model to the theory of gravitational instability

Details A model of the accumulation process in the formation of planetary systems. II - Rotation of the planets and the relation of the model to the theory of gravitational instability A model of the accumulation process in the formation of planetary systems. II - Rotation of the planets and the relation of the model to the theory of gravitational instability

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982avest..15..131e&link_type=abstract

(Astronomicheskii Vestnik, vol. 15, July-Sept. 1981, p. 131-140.) Solar System Research, vol. 15, no. 3, Jan. 1982, p. 97-104. T

Astronomy and Astrophysics

Astronomy

2

Gravitational Effects, Planetary Evolution, Planetary Rotation, Planetary Systems, Protoplanets, Accumulations, Astronomical Models, Planetary Nebulae

Scientific paper

A mechanism is considered for the formation of the rotational motion of the planets in the limit model, and it is shown that the majority of large bodies found at the end of the accumulation process acquire direct rotation about their axes. A relation is found between the limit model of the accumulation process and the theory of gravitational instability of the preplanetary gas-dust nebula. This relation is based on an analysis of the formation of planetary rotation, which gives a clear physical interpretation to the limit model of the accumulation process. In addition, it is found that annular regions of material condensation whose number and position under specific conditions do not depend on the initial effective dimensions of the bodies, are formed during the operation of the limit model.

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