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The black hole may be larger than expected



A recent study found that the first black hole discovered in history was much larger than scientists initially thought.

A black hole is a huge space object, and its gravitational force is so great that there is no light even to escape. The black hole Cygnus X-1 was discovered in 1964.It is known for its friendliness as its goal bet Between two famous scientists.

Researchers have discovered that new observations of Cygnus X-1 indicate that it is 21 times the mass of our sun. This is 50% larger than scientists think.

Although it is still one of the closest known black holes, scientists have found that it is farther away than earlier estimates suggested. It is 7,200 light-years away from us. A light-year is the distance light travels in a year.

Some black holes, such as the black hole in the center of the Milky Way, are very large. These are called “supermassive”

; black holes. Their mass may be millions of times greater than that of the sun. Smaller black holes are called “stellar mass” black holes. They have the mass of a single star.

Cygnus X-1 is the largest stellar black hole in the Milky Way.It is one of the strongest X-rays source James Miller Jones of Curtin University and the Australian International Radio Astronomy Research Centre say that the earth can be seen from the earth.Miller Jones led the research published in the publication science.

Miller Jones added that Cygnus X-1 rotates so fast that it is close to the highest velocity predicted by the physicist Albert Einstein’s general theory of relativity.

The black hole brings material from the surface of the star it orbits. This star is a “blue supergiant”, a very large star, about 40 times the mass of our sun.

The existence of Cygnus X-1 began between 4 million and 5 million years ago. It is a star whose mass is 75 times greater than that of the sun. But tens of thousands of years ago, it collapsed into a black hole.

The research includes data from the Very Long Baseline Array Radio Telescope. It consists of 10 observation stations in the United States.

After identifying Cygnus X-1 as a possible black hole for the first time, two physicists Stephen Hawking and Kip Thorne made friendly bets. Hawking bet the object is a black hole, and Thorne bet it is a black hole. Hawking finally admitted that there is evidence that Cygnus X-1 is a black hole.

Miller Jones, the leader of the latest study, said: “Indeed, I don’t have any bets on these findings.”

This is John Russell.

Will Dunham reported the story for Reuters. John Russell (John Russell) adapted it to learn English. Little Mario Ritter is the editor. ______________________________________________________________

Words in this story

bet – N. People try to guess what is going to happen and those who guess wrong must provide an agreement for something (such as money) to the person who guessed right; place a bet

source – N. Where to start

bet – N. People try to guess what is going to happen and the person who guesses wrong must provide an agreement for something (such as money) to the person who guessed right; a bet


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