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A Clash of Clusters Provides New Clue to Dark Matter
Applied Physics/Physics Colloquium: Gary Sanders and Brent Ellerbroek (Caltech)
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Physics/Applied Physics Colloquium: Scott Tremaine (Institute for Advanced Study)
| What | Physics Colloquium |
|---|---|
| When |
11 March 08 from 04:15 pm to 05:15 pm |
| Where | Hewlett Teaching Center, Rm 201 |
| Contact Name | Jenifer Tice |
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The Long-term Evolution of Planetary Orbits
The behavior of planetary orbits over very long terms remains incompletely understood despite three centuries of study starting with Newton. Understanding this behavior is central to many issues of planetary science: Why are the planets so regularly spaced? How has the Earth's orbit evolved throughout geological history? What determines the properties of extrasolar planets? N-body integrations now allow us to follow the motion of planets reliably for billions of years, and thereby inform us about the evolution and current properties of planetary systems, and the ultimate fate of the Earth and other planets.
KIPAC tea talk, Speaker: Lukasz Stawarz