NASA's Swift Finds a Gamma-Ray Burst With a Dual Personality

 

WASHINGTON -- A peculiar cosmic explosion first detected by NASA's Swift observatory on Christmas Day 2010 was caused either by a novel type of supernova located billions of light-years away or an unusual collision much closer to home, within our own galaxy. Papers describing both interpretations appear in the Dec. 1 issue of the journal Nature.
MORE: http://www.nasa.gov/home/hqnews/2011/nov/HQ_11-401_Swift_Dual_GRB.html

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