Chon Ices And The Formation Of Saturn

Details Chon Ices And The Formation Of Saturn Chon Ices And The Formation Of Saturn

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.6802r&link_type=abstract

American Astronomical Society, AAS Meeting #211, #68.02; Bulletin of the American Astronomical Society, Vol. 39, p.858

Astronomy and Astrophysics

Astronomy

Scientific paper

Previous core accretions simulations have found that the formation timescale of Saturn is far longer than a reasonable lifetime of the solar nebula. Saturn's formation is impaired by (1) the long orbital timescale (compared with Jupiter), leading to a slower planetesimal collision rate, and (2) the assumption that H2O is the only volatile that gets incorporated into planet cores. We use a 1+1-d evolving solar nebula model and a 214-species chemical reaction network to calculate the solid surface density available to form Saturn. New core accretion simulations based on the results of our protostellar disk model show that Saturn can form in less than 4 Myr.
This work was supported by an ARCS Foundation fellowship awarded to S.R., an NSF career grant to G.L., and a NASA grant to K.W.

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