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A Clash of Clusters Provides New Clue to Dark Matter
Special ACKS Seminar: Dragan Huterer
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ACKS Seminar: Avery Broderick (CITA, Canada)
| What | ACKS |
|---|---|
| When |
14 August 08 from 04:00 pm to 05:00 pm |
| Where | CAMPUS: Phys & Astrophys Bldg., 1st fl., conf rm (102/103) |
| Contact Name | Lukasz Stawarz |
| Contact Email | stawarz@slac.stanford.edu |
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On the Horizon: Imaging Nearby Black Holes
We find ourselves at the advent of a golden age for observational tests of strong-field General Relativity. Numerous experiments, either presently running or planned, promise an unprecedented view of the structure and evolution of compact objects and their associated spacetimes. However, I will discuss a modest and complementary approach: directly imaging the horizons of nearby super-massive black holes. Such observations are already technically feasible and demonstration experiments are presently underway. I will describe how such experiments can be used to address outstanding problems in black hole astrophysics, provide evidence for the existence of horizons and even directly verify that the Kerr metric is an appropriate description of the spacetime around astrophysical black holes.
MASS: Lance Simms