Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

28 | Roger Penrose on Spacetime, Consciousness, and the Universe

Jan 7, 2019
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ANECDOTE

Chandrasekhar and Gravitational Collapse

  • Roger Penrose recalls Chandrasekhar's work on white dwarf stars and the Chandrasekhar limit.
  • Eddington initially resisted the idea of gravitational collapse.
INSIGHT

Oppenheimer-Snyder Model and Skepticism

  • The Oppenheimer-Snyder model described a collapsing dust cloud, a precursor to the modern black hole model.
  • Initially, many physicists were skeptical, believing irregularities would prevent complete collapse.
ANECDOTE

Quasars and Black Holes

  • Quasars, extremely bright and distant objects, puzzled scientists.
  • Their rapid variations suggested they were compact, possibly related to the Schwarzschild radius and black holes.
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