1st detection of 'hiccupping' black hole leads to surprising discovery of 2nd black hole orbiting around it
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1st detection of 'hiccupping' black hole leads to surprising discovery of 2nd black hole orbiting around it

Scientists found a monster black hole that 'hiccups' every 8.5 days‚ and a smaller black hole that keeps punching through its accretion disk may be to blame.