https://scitechdaily.com/supermassive-black-holes-spin-verified-einsteins-general-theory-of-relativity-shines/
The M87 galaxy's black hole exhibits an oscillating jet, confirming its spin, as deduced from a two-decade study aligning with Einstein's General Theory of Relativity predictions. The nearby radio galaxy M87, located 55 million light-years from the Earth and …
Create an account or login to join the discussion