New window on the high-energy universe

New telescope finds that the high-energy share of gamma-ray bursts arrive at Earth significantly later than the low-energy portion

4:59pm, December 9, 2008

Editor’s note: This story was updated February 19 after Michael Briggs of NASA’s Goddard Space Flight Center in Greenbelt., Md., reported that the gamma-ray burst known as GRB 080916C is the most energetic burst known.

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