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Astronomy  

New Kind of Pulsar
By NASA
Oct 17, 2008, 19:48 PST


About three times a second, a 10,000-year-old stellar corpse sweeps a beam of gamma-rays toward Earth. Just discovered by NASA's Fermi Gamma-ray Space Telescope, the object, called a pulsar, is the first one known that "blinks" in pure gamma rays.

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