The 10 wildest things we learned about black holes in 2021

Scientists who examine black holes can relaxation assured that their discipline will ship astounding and mind-bending findings, yr after yr. And 2021 was no exception, with many thrilling new outcomes concerning these unusual gravitational beasts. Here, we check out this yr’s most charming black gap discoveries and the way they’ve superior our understanding of the universe. 

Fastest spinning black gap 

Even the most effective studied black holes nonetheless yield surprises. In February, physicists revised their estimates of the properties of the cosmic monster sitting in the center of the Cygnus X-1 system, which additionally occurs to be the primary black gap ever confirmed to exist. Originally found almost 60 years in the past, the Cygnus X-1 black gap was discovered to be 50% extra huge than beforehand thought, making it 21 occasions the solar’s mass, and spinning very near the pace of sunshine, setting a brand new file for black gap rotation. The black gap in Cygnus X-1 is positioned about 7,200 light-years away and is slowly consuming a blue supergiant companion star, offering researchers with new insights into such processes. 

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