Disk tides and accretion runaway

Details Disk tides and accretion runaway Disk tides and accretion runaway

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...440l..25w&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 440, no. 1, p. L25-L28

Astronomy and Astrophysics

Astrophysics

24

Accretion Disks, Astronomical Models, Gravitational Effects, Planetary Evolution, Tides, Celestial Mechanics, Interplanetary Gas, Planetary Nebulae, Solar System Evolution, Torque

Scientific paper

It is suggested that tidal interaction of an accreting planetary embryo with the gaseous preplanetary disk may provide a mechanism to breach the so-called runaway limit during the formation of the giant planet cores. The disk tidal torque converts a would-be shepherding object into a 'predator,' which can continue to cannibalize the planetesimal disk. This is more likely to occur in the giant planet region than in the terrestrial zone, providing a natural cause for Jupiter to predate the inner planets and form within the O(107 yr) lifetime of the nebula.

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