Radial migration of preplanetary material - Implications for the accretion time scale problem

Details Radial migration of preplanetary material - Implications for the accretion time scale problem Radial migration of preplanetary material - Implications for the accretion time scale problem

Oct 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984icar...60...29h&link_type=abstract

Icarus (ISSN 0019-1035), vol. 60, Oct. 1984, p. 29-39.

Astronomy and Astrophysics

Astronomy

38

Planetary Evolution, Planetology, Protoplanets, Solar Planetary Interactions, Accumulations, Astronomical Models, Density Wave Model, Drift, Solar Corona, Planets, Accretion, Time Scale, Planetesimals, Density Waves, Models, Interaction, Mass, Size, Physical Properties, Formation, Parameters, Aerodynamics, Drag

Scientific paper

Radial drift of planetesimals due to density wave interaction with the solar nebula is considered. The mechanism is most effective for large masses and provides mobility over a size range where aerodynamic drag is unimportant. The process could shorten accretion time scales to ≡O(105 - 106 years) throughout the solar system. Accumulation stalls down when growing objects are massive enough to open gaps in the gas disk. Implications of this process for current cosmogonic models are discussed.

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