Stephen Hawking's big ideas... made simple | Guardian Animations
15:44
"Do Black Holes Have No Hair" Stephen Hawking Part 1
2:14
Morgan Freeman Explains Black Holes and Hawking Radiation
The Gibbons–Hawking effect is the statement that a temperature can be associated to each solution of the Einstein field equations that contains a causal horizon. It is named after Gary Gibbons and Stephen William Hawking.