This illustration shows an artist's view of Swift J1644+57, a black hole 3.9 billion light-years away. Scientists have picked up a signal thought to be the death "scream" of a star falling into the ... more 
This illustration shows an artist's view of Swift J1644+57, a black hole 3.9 billion light-years away. Scientists have picked up a signal thought to be the death "scream" of a star falling into the black hole. less 
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SPACE.com | Photo By NASA's Goddard Space Flight Center
Tue, Aug 7, 2012 12:36 PM EDT