publication . Article . Preprint . Other literature type . 2010

MODELING THE FORMATION OF GIANT PLANET CORES. I. EVALUATING KEY PROCESSES

Levison, Harold F.; Thommes, Edward; Duncan, Martin J.;
Open Access
  • Published: 01 Apr 2010 Journal: The Astronomical Journal, volume 139, pages 1,297-1,314 (issn: 0004-6256, eissn: 1538-3881, Copyright policy)
  • Publisher: IOP Publishing
Abstract
One of the most challenging problems we face in our understanding of planet formation is how Jupiter and Saturn could have formed before the the solar nebula dispersed. The most popular model of giant planet formation is the so-called 'core accretion' model. In this model a large planetary embryo formed first, mainly by two-body accretion. This is then followed by a period of inflow of nebular gas directly onto the growing planet. The core accretion model has an Achilles heel, namely the very first step. We have undertaken the most comprehensive study of this process to date. In this study we numerically integrate the orbits of a number of planetary embryos embe...
Subjects
free text keywords: Space and Planetary Science, Astronomy and Astrophysics, Astrophysics - Earth and Planetary Astrophysics
Related Organizations
Funded by
NSF| The Formation of the Giant Planet Cores
Project
  • Funder: National Science Foundation (NSF)
  • Project Code: 0708775
  • Funding stream: Directorate for Mathematical & Physical Sciences | Division of Astronomical Sciences
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