A new assessment has uncovered new insights regarding the first black hole at any point recognized – which was seen in 1964 and became the subject of an agreeable bet between famous researchers – including that it is greater than recently known.

Specialists said on Thursday that groundbreaking perceptions of the Cygnus X-1 dark opening, circling in a heavenly marriage with a huge and radiant star, showed it is 21 times our sun’s mass, about 50% more massive than previously believed.

While it is as yet one of the nearest known black holes, they discovered it is to some degree farther away than previously calculated, at 7,200 light years – the distance light travels in a year, 5.9 trillion miles (9.5 trillion km) – from Earth.

Black holes are very thick, with gravitational pulls so fierce not light escapes. A few – the “supermassive” black holes – are gigantic, similar to the one at our Milky Way system’s middle 4 million times the sun’s mass. More modest “stellar-mass” black holes have the mass of a single star.

Cygnus X-1 is the Milky Way’s biggest known stellar-mass black hole and among the strongest X-ray sources seen from Earth, said astronomer James Miller-Jones of Curtin University and the International Center for Radio Astronomy Research in Australia, who drove the investigation published in the journal Science.

This black hole twists so quickly, almost light speed, that it moves toward the greatest rate imagined under physicist Albert Einstein’s theory of general relativity, Miller-Jones added.

It eats up material blowing from the outside of the partner star it firmly circles, a “blue supergiant” around 40 times our sun’s mass. It began its reality 4 million to 5 million years back as a star up to multiple times the sun’s mass and fallen into a dark opening a huge number of years prior.

The exploration included information from the Very Long Baseline Array radio telescope containing 10 U.S. observation stations.

After Cygnus X-1 was first tabbed as a black hole, a bet was made between physicists Stephen Hawking, who wager against it being one, and Kip Thorne, who wager it was. Selling ultimately surrendered, owing Thorne a Penthouse magazine membership.

“Indeed, I did not have any wagers riding on these findings,” Miller-Jones said.

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