Growing the gas-giant planets by the gradual accumulation of pebbles

Harold F. Levison (), Katherine A. Kretke and Martin J. Duncan
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Harold F. Levison: Southwest Research Institute and NASA Solar System Exploration Research Virtual Institute
Katherine A. Kretke: Southwest Research Institute and NASA Solar System Exploration Research Virtual Institute
Martin J. Duncan: Engineering Physics, and Astronomy, Queen’s University

Nature, 2015, vol. 524, issue 7565, 322-324

Abstract: Gas-giant planets are widely thought to form from solid ‘cores’ of roughly ten Earth masses; simulations now show that such cores can be produced from ‘pebbles’ (centimetre-to-metre-sized objects) provided that the pebbles form sufficiently slowly, leading to the formation of one to four gas giants in agreement with the observed structure of the Solar System.

Date: 2015
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DOI: 10.1038/nature14675

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