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Science 26 March 1999:
Vol. 283. no. 5410, p. 1993
DOI: 10.1126/science.283.5410.1993a
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News of the Week

ASTROPHYSICS:
Gamma Beams From a Collapsing Star

Robert Irion

ATLANTA--Astrophysicists see a spark of consensus emerging on the origins of mysterious gamma ray bursts, the most powerful explosions in the cosmos today. The longest lived blasts, lasting 10 seconds or more, may arise when new black holes consume doomed stars far more massive than the sun and spit out intense beams of energy, according to work presented here this week at a meeting of the American Physical Society. But other bursts, lasting less than a second, remain unexplained.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)