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News and Views
Nature 448, 760-762 (16 August 2007) | doi:10.1038/448760a; Published online 15 August 2007
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Astrophysics: Photons from a hotter hell
Trevor Weekes1
Abstract
Blazars are massive black holes sending out particle jets at close to the speed of light. Stupendously fast, intense bursts of highly energetic 
-rays indicate that the blazar environment is even more extreme than was thought.
Serendipity has always played a large part in astronomy. Detecting the short-lived, violent phenomena characteristic of high-energy astrophysics is a case in point.
- Trevor Weekes is at the Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts 02138, USA, and a visiting fellow at the School of Physics, University College Dublin, Ireland.
Email: tweekes@cfa.harvard.edu
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