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News and Views
Nature 430, 623 (5 August 2004) | doi:10.1038/430623a; Published online 4 August 2004
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Astronomy: A faint population of bursts?
Stan Woosley1
Abstract
An unusual 
-ray burst has been detected, much less energetic than expected. But its similarity to an earlier anomalous event suggests that lower-energy bursts might be more plentiful than had been thought.
It is seven years since astronomers were first able to pinpoint the origin of a -ray burst (GRB) in a distant galaxy1, 2, 3. Since then, estimates of the energy associated with these titanic explosions have waxed and waned.
- Stan Woosley is in the Department of Astronomy and Astrophysics, University of California at Santa Cruz, Santa Cruz, California 95064, USA.
e-mail: Email: woosley@ucolick.org
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