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After analysing 22 years of data, Chinese-led team says black holes can spin

ChinaScience

Chinese-led research team finds evidence of spinning black hole

Using data from radio telescopes around the world, researchers found that a black hole in Galaxy M87 had tiltedThe team concluded that the supermassive object has an 11-year cycleScienceLing Xinin OhioPublished: 12:00pm, 2 Oct, 2023Why you can trust SCMP

A Chinese-led team of scientists says it has uncovered the first decisive evidence of a black hole spinning, shedding light on the most mysterious and disruptive objects in our universe.

Sifting through more than 20 years of observation data from a global network of radio telescopes, the team – which included researchers from Japan, Italy, and the United States – found that a gigantic black hole in Galaxy M87 had been shooting off jets that wobbled like a spinning top.

It took about 11 years for the jets to complete one cycle, the team reported in the journal Nature on Wednesday.

“This is the first observational evidence to show that black holes not only spin, but they spin with a tilt,” said astrophysicist Gou Lijun from the National Astronomical Observatories of China in Beijing, who was not involved in the research.

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