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American Association for the Advancement of Science, Science, 5792(313), p. 1413-1416, 2006

DOI: 10.1126/science.1130461

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Exotic Earths: Forming Habitable Worlds with Giant Planet Migration

Journal article published in 2006 by Sean N. Raymond, Avi M. Mandell ORCID, Steinn Sigurdsson
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Close-in giant planets (e.g. ``Hot Jupiters'') are thought to form far from their host stars and migrate inward, through the terrestrial planet zone, via torques with a massive gaseous disk. Here we simulate terrestrial planet growth during and after giant planet migration. Several-Earth mass planets also form interior to the migrating Jovian planet, analogous to recently-discovered ``Hot Earths''. Very water-rich, Earth-mass planets form from surviving material outside the giant planet's orbit, often in the Habitable Zone and with low orbital eccentricities. More than a third of the known systems of giant planets may harbor Earth-like planets. ; Comment: 13 pages, 3 figures, 1 table. Resolution of one figure has been degraded. For full-resolution images, see http://lasp.colorado.edu/~raymond/RMS-pre.pdf