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News and Views
Nature 437, 822-823 (6 October 2005) | doi:10.1038/437822a; Published online 5 October 2005
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Astrophysics: Short-burst sources
Luigi Piro1
Abstract
Measurements of the X-ray afterglow of long 
-ray bursts largely clarified the origin of these bright flashes of cosmic radiation. Their shorter-lived siblings are now beginning to divulge their secrets, too.
The distance, energy output and source of the mysterious flashes of high-energy radiation known as short -ray bursts have so far resisted all attempts at their elucidation. Observations presented in this issue1, 2, 3, 4 establish for the first time the cosmological distance of the bursts and provide solid support for the favoured theoretical model for their origin.
- Luigi Piro is at the Istituto Astrofisica Spaziale e Fisica Cosmica, INAF, Via Fosso del Cavaliere 100, 00133 Rome, Italy.
Email: piro@rm.iasf.cnr.it
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