Protostars and the origin of the angular momentum of the solar system

Details Protostars and the origin of the angular momentum of the solar system Protostars and the origin of the angular momentum of the solar system

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984em%26p...30..275w&link_type=abstract

Earth, Moon, and Planets (ISSN 0167-9295), vol. 30, June 1984, p. 275-280. Research supported by the Natural Sciences and Engine

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2

Angular Momentum, Celestial Mechanics, Protostars, Solar System, Stellar Evolution, Gravitational Effects, Torque

Scientific paper

Protostars in a group exert gravitational tidal torques on an aspherical nebula located in the group. The net torque transfers angular momentum from the orbital motions of the stars to rotation of the nebula. A relation can be derived between the parameters describing the protostars and the final angular momentum of the nebula. While the parameters concerned are uncertain, a conservative choice results in a value for the angular momentum equal to about 1/3 of that of the present solar system. This suggests that if the Sun formed in a group, tidal interactions with other protostars may account for a significant part of the angular momentum of the solar system.

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