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Nature 436, 923-925 (18 August 2005) | doi:10.1038/436923a; Published online 17 August 2005

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Astrophysics:  Swift progress

Dieter H. Hartmann1

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The agile, choreographed response of the Swift satellite to gamma-ray bursts tests models to an unprecedented degree. Results from two recent long bursts suggest that the models are good, but require some tweaking.

The Swift satellite1 is NASA's latest tool for investigating the mysterious phenomenon of gamma-ray bursts, or GRBs. These intense bursts of high-frequency gamma-ray and X-ray radiation were discovered four decades ago2; since Swift's launch in November 2004, one such burst has activated its detectors every few days.

  1. Dieter H. Hartmann is in the Department of Physics and Astronomy, Clemson University, Clemson, South Carolina 29634-0978, USA.
    Email: hdieter@clemson.edu

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