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Nature 453, 462-463 (22 May 2008) | doi:10.1038/453462a; Published online 21 May 2008

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Astronomy: Supernova bursts onto the scene

Roger Chevalier1

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The stellar explosions known as supernovae are spectacular but common cosmic events. A satellite telescope's chance observation of a burst of X-ray light might be the first record of a supernova's earliest minutes.

Once the processes of nuclear fusion that have bolstered it against its own gravity are exhausted, the core of a massive star collapses in on itself. The result is a cataclysmic explosion that sends a violent shock wave racing outwards.

  1. Roger Chevalier is in the Department of Astronomy, University of Virginia, PO Box 400325, Charlottesville, Virginia 22904, USA.
    Email: rac5x@virginia.edu

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