Discover
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Article

Supernovae

SEP 01, 1990
By what mechanism do massive stars explode? Neutrinos produced in the core and absorbed in the outer layers play the most important role.
Hans A. Bethe

Supernovae are spectacular events. The recent one, SN1987A, emitted light at a rate 100 million times that of the Sun—and it was one of the fainter supernovae. Unfortunately, supernovae are very rare. The last one seen in our galaxy was Kepler’s in 1604.

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More about the authors

Hans A. Bethe, Cornell University, Ithaca, New York.

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This Content Appeared In
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Volume 43, Number 9

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