Supermassive black hole eclipsed by rare stream of fast-moving gas

June 20, 2014 3:13 PM

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Supermassive black hole eclipsed by rare stream of fast-moving gas

"Astronomers have been looking at this galaxy for decades, and everyone expected it to behave normally," said Jelle Kaastra.

But last year scientists noticed the nucleus of NGC 5548 had gotten noticeably dimmer. A year later, having closely analyzed imagery from a host of NASA and European Space Agency observatories, scientists think they know why -- a different, swifter stream of gas was being spewed out from the galaxy'...

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