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Roger Penrose: Conformal Cyclic Cosmology: Ideas and Current Observational Status
Course Description
Roger Penrose
Conformal Cyclic Cosmology: Ideas and Current Observational Status
Lecture in the Askloster Symposium, July 24, 2008
Video Lectures
| # | Lecture | Play Video |
|---|---|---|
| 1 | Conformal Cyclic Cosmology (1/2) | Play Video |
| 2 | Conformal Cyclic Cosmology (2/2) | Play Video |
Dr. Penrose transparency explaining black holes. Among his contributions in this area are:
1964 - Dr. Penrose proves that an imploding star will necessarily produce a singularity once it has formed an event horizon. In general relativity, an event horizon is a boundary in spacetime, most often an area surrounding a black hole, beyond which events cannot affect an outside observer.
1969 - Dr. Penrose discusses the Penrose process for the extraction of the spin energy from a Kerr black hole. The Penrose process was theorised by Roger Penrose wherein energy can be extracted from a rotating black hole.
1969 - Dr. Penrose proposes the cosmic censorship hypothesis. The weak and the strong Cosmic Censorship Hypotheses are two mathematical conjectures about the structure of singularities arising in general relativity.
1964 - Dr. Penrose proves that an imploding star will necessarily produce a singularity once it has formed an event horizon. In general relativity, an event horizon is a boundary in spacetime, most often an area surrounding a black hole, beyond which events cannot affect an outside observer.
1969 - Dr. Penrose discusses the Penrose process for the extraction of the spin energy from a Kerr black hole. The Penrose process was theorised by Roger Penrose wherein energy can be extracted from a rotating black hole.
1969 - Dr. Penrose proposes the cosmic censorship hypothesis. The weak and the strong Cosmic Censorship Hypotheses are two mathematical conjectures about the structure of singularities arising in general relativity.
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