microquasars
-
Somehow, a Tiny Black Hole Is Causing a ‘Heartbeat’ 100 Light-Years Away
There’s a cloudy patch of space inside our galaxy that unexpectedly produces gamma radiation at clockwork-like intervals. Scientists have now linked these periodic pulses to a “microquasar” — most likely a black hole — located a whopping 100 light-years away, in what is an extraordinary observation.