Origin and early evolution of the planetary system

Details Origin and early evolution of the planetary system Origin and early evolution of the planetary system

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985em%26p...33..201m&link_type=abstract

Earth, Moon, and Planets (ISSN 0167-9295), vol. 33, Oct. 1985, p. 201-214.

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Astronomical Models, Computational Astrophysics, Planetary Evolution, Solar System, Cosmic Gases, Dynamic Stability, Kepler Laws, Natural Satellites, Planetary Orbits, Protoplanets, Radial Distribution

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It is shown by linear stability analysis that a preplanetary (presatellite) disk of dust and gas with Keplerian velocity field can become unstable due to the collective self-gravity of the disk. The radial distribution of rings, which may result from this instability, is derived. These rings later on can be the formation sites for planets around the Sun and for satellites around the planets. The derived orbits are shown to be in good agreement with that of the planets and the satellites (of Jupiter, Saturn, and Uranus). Predictions and conclusions seem to be possible for the existence of three yet unknown Uranian satellites, the origin of the early Moon and the possible radial extension of the planetary system.

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