Black Holes: The Reith Lectures by Stephen Hawking (2016-05-05) by Stephen Hawking
Author:Stephen Hawking
Language: eng
Format: azw3
ISBN: 9780857503572
Publisher: Bantam
Published: 1804-01-14T16:00:00+00:00
To my great surprise I found that the black hole seemed to emit particles at a steady rate. Like everyone else at that time, I accepted the dictum that a black hole could not emit anything. I therefore put quite a lot of effort into trying to get rid of this embarrassing effect. But the more I thought about it, the more it refused to go away, so that in the end I had to accept it. What finally convinced me it was a real physical process was that the wavelengths of the outgoing particles were precisely thermal. My calculations predicted that a black hole creates and emits particles and radiation just as if it were an ordinary hot body, with a temperature that is proportional to its surface gravity and inversely proportional to its mass.
DS: These calculations were the first to show that a black hole need not be a one-way street to a dead end. Not surprisingly, the emissions suggested by the theory became known as Hawking Radiation.
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