Fermi Gamma-ray

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  • NASA telescope spots most extreme blazars yet

    NASA telescope spots most extreme blazars yet

    NASA's Fermi Gamma-ray space telescope has identified the farthest gamma-ray blazars, a type of galaxy whose intense emissions are powered by super-sized black holes. "Despite their youth, these far-flung blazars host some of the most massive black holes known," said......

    January 31, 2017