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Lecture 2 - The current state of fundamental physics - page 14 / 27

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Black Holes

A black hole is literally a region from which light cannot escape.

General Relativity predicts that black holes can form by gravitational collapse. Once a star has burned up its supply of nuclear fuel, it can no longer support itself against its own weight and it collapses.

It will reach a critical density at which an explosive re-ignition of burning occurs, called a supernova.

David Kastor

COSMOS to HUMANITY, Spring 2008

Lecture 2 , slide 14

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