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  Black hole producing mysterious particles: NASA

  World | Nov 14, 2014, 11:55 AM IST

  Washington: The giant black hole at the center of the Milky Way may be producing mysterious particles called neutrinos, say NASA scientists.Neutrinos are tiny particles that carry no charge and interact very weakly with electrons

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  Flash In Distant Galaxy Was Of A Black Hole Swallowing A Star

  World | Jun 17, 2011, 04:37 PM IST

  Los Angeles, Jun 17: Astronomers think they have solved the mystery of an extraordinary flash spied in a faraway galaxy, saying it came from a massive black hole that devoured a star after it wandered