"Lec 8 - Introduction to Black Holes" Frontiers/Controversies in Astrophysics (ASTR 160) The second half of the course begins, focusing on black holes and relativity. In introducing black holes, Professor Bailyn offers a definition, talks about how their existence is detected, and explains why (unlike in the case with exoplanets where Newtonian physics was applied) Einstein's Theory of Relativity is now required when studying black holes. The concepts of escape and circular velocity are introduced. A number of problems are worked out and students learn how to calculate an object's escape velocity. A historical overview is offered of our understanding and discovery of black holes in the context of stellar evolution. 00:00 - Chapter 1. Introduction 02:38 - Chapter 2. Escape Velocity 12:12 - Chapter 3. Defining Black Holes and the Schwarzschild Radius 18:50 - Chapter 4. Gravity and Pressure in the Evolution of Stars 28:06 - Chapter 5. From Electron Degeneracy Pressure to the Chandrasekhar Limit 37:59 - Chapter 6. Neutron Stars 42:38 - Chapter 7. Conclusion Complete course materials are available at the Open Yale Courses website: http://open.yale.edu/courses This course was recorded in Spring 2007.
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Tags: Arthur Eddington Chandrasekhar limit dwarf Einstein's Theory Relativity electron degeneracy pressure escape velocity Fermi fusion hydrostatic equilibrium ideal gas John Michell laws thermodynamics neutron star nuclear radius Schwarzschild speed light stellar evolution white
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Lec 1- Introduction to Frontiers Controversies in Astrophysics
Lec 3 - Our Solar System and the Pluto Problem
Lec 4 - Discovering Exoplanets: Hot Jupiters
Lec 6 - Microlensing, Astrometry and Other Methods
Lec 7 - Direct Imaging of Exoplanets
Lec 9 - Special and General Relativity
Lec 11 - Special and General Relativity (cont.)
Lec 12 - Stellar Mass Black Holes
Lec 13 - Stellar Mass Black Holes (cont.)
Lec 15 - Supermassive Black Holes
Lec 16 - Hubble's Law and the Big Bang
Lec 17 - Hubble's Law and the Big Bang (cont.)
Lec 18- Hubble's Law and the Big Bang (cont.)
Lec 19 - Omega and the End of the Universe
Lec 21 - Dark Energy and the Accelerating Universe and the Big Rip
Lec 23 - Other Constraints: The Cosmic Microwave Background