These bright emissions, which appear ... located roughly 1 billion light-years away in the northern constellation Cygnus. These black holes complete an orbit once every 130 days while being ...

She and her team believe the gas cloud envelops the black holes, and as they orbit each other, the interaction disturbs the gas, causing periodic emissions of light. This discovery, detailed in ...

In the current study, astronomers focused on Cygnus A, a powerful radio-emitting galaxy located in Cygnus constellation, about 760 million light ... emission. At the core of Cygnus A sits a black ...

This trio of doomed worlds lies roughly 2,300 light-years away in the constellation Virgo ... is a monster black hole named Cygnus X-1," Nasa explains. "Don’t get too close, or you’ll become ...