Title:
Planet Nine From Outer Space
Planet Nine From Outer Space
dc.contributor.author | Batygin, Konstantin | |
dc.contributor.corporatename | Georgia Institute of Technology. School of Physics | en_US |
dc.contributor.corporatename | California Institute of Technology. Division of Geological and Planetary Sciences | en_US |
dc.date.accessioned | 2019-04-17T14:10:33Z | |
dc.date.available | 2019-04-17T14:10:33Z | |
dc.date.issued | 2019-04-09 | |
dc.description | Presented on April 9, 2019 at 6:00 p.m. in the Clough Undergraduate Learning Commons, Room 152. | en_US |
dc.description | Forbes Magazine named professor Konstantin Batygin the “next physics rock star” in its 2015 list of “30 Under 30: Young Scientists Who Are Changing the World.” As Assistant Professor of Planetary Science at CalTech, his research interests lie in the field of planetary astrophysics. He is fascinated by a wide range of problems related to the formation and evolution of the solar system, dynamical evolution of exoplanets, as well as physical processes that occur in planetary interiors and atmospheres. | en_US |
dc.description | Runtime: 58:42 minutes | en_US |
dc.description.abstract | At the outskirts of the solar system, beyond the orbit of Neptune, lies an expansive field of icy debris known as the Kuiper belt. The orbits of the individual asteroid-like bodies within the Kuiper belt trace out highly elongated elliptical paths, and require hundreds to thousands of years to complete a single revolution around the Sun. Although the majority of the Kuiper belt’s dynamical structure can be understood within the framework of the known eight-planet solar system, bodies with orbital periods longer than about 4,000 years exhibit a peculiar orbital alignment that eludes explanation. What sculpts this alignment and how is it preserved? In this talk, I will argue that the observed clustering of Kuiper belt orbits can be maintained by a distant, eccentric, Neptune-like planet, whose orbit lies in approximately the same plane as those of the distant Kuiper belt objects, but is anti-aligned with respect to those of the small bodies. In addition to accounting for the observed grouping of orbits, the existence of such a planet naturally explains other, seemingly unrelated dynamical features of the solar system. | en_US |
dc.format.extent | 58:42 minutes | |
dc.identifier.uri | http://hdl.handle.net/1853/60991 | |
dc.language | English | en_US |
dc.language.iso | en_US | en_US |
dc.publisher | Georgia Institute of Technology | en_US |
dc.relation.ispartofseries | Physics Public Lecture Series | |
dc.subject | Astrophysics | en_US |
dc.subject | Kuiper belt | en_US |
dc.subject | Orbital alignment | en_US |
dc.subject | Planet | en_US |
dc.title | Planet Nine From Outer Space | en_US |
dc.type | Moving Image | |
dc.type.genre | Lecture | |
dspace.entity.type | Publication | |
local.relation.ispartofseries | School of Physics Public Lecture Series | |
relation.isSeriesOfPublication | f931f7b7-fef6-4b8f-b8a7-d8b64b5536bd |
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