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Proc Natl Acad Sci U S A. 1999 Apr 27;96(9):4752-5.

Afterglows from the largest explosions in the universe.

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  • 1Department of Physics and Astronomy, Clemson University, Clemson, SC 29634-1911, USA.


The distinction of "largest explosions in the universe" has been bestowed on cosmic gamma-ray bursts. Their afterglows are brighter than supernovae and therefore are called hypernovae. Photometry and spectroscopy of these afterglows have provided major breakthroughs in our understanding of this mysterious phenomenon.

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