Strong Extragalactic Radio Burst Poses a Mystery
Astronomers have a mystery on their hands, after a radio telescope in Australia detected an extremely brief, but extremely strong, pulse of radio waves. There was just one pulse, but based on its strength and the way the signal arrived at Earth, astronomers estimate it came from something 1 billion light years away. There is only speculation about what the "something" was.
on Sep 27, 07
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