What do Multiple Planet Systems Teach us about Planet Formation?

dc.creatorFord, Eric B.
dc.date2005-12-29
dc.date.accessioned2026-07-07T06:49:15Z
dc.date.available2026-07-07T06:49:15Z
dc.descriptionFor centuries, our knowledge of planetary systems and ideas about planet formation were based on a single example, our solar system. During the last thirteen years, the discovery of ~170 planetary systems has ushered in a new era for astronomy. I review the surprising properties of extrasolar planetary systems and discuss how they are reshaping theories of planet formation. I focus on how multiple planet systems constrain the mechanisms proposed to explain the large eccentricities typical of extrasolar planets. I suggest that strong planet-planet scattering is common and most planetary systems underwent a phase of large eccentricities. I propose that a planetary system's final eccentricities may be strongly influenced by how much mass remains in a planetesimal disk after the last strong planet-planet scattering event.
dc.description12 pages, to appear in Frank N. Bash Symposium 2005: New Horizons in Astronomy
dc.identifierhttps://arxiv.org/abs/astro-ph/0512635
dc.identifierhttp://arxiv.org/abs/astro-ph/0512635
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/104269
dc.subjectAstrophysics
dc.titleWhat do Multiple Planet Systems Teach us about Planet Formation?
dc.typetext

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