This “dancing” star around a black hole confirms Einstein’s prediction of 100 years ago

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Observations made with the ESO telescope in Chile revealed for the first time that the star, S2, orbiting the supermassive black hole in the center of the Milky Way, moves as Albert Einstein said in his theory of general relativity.

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For 27 years, a team of scientists observed the star S2 using a telescope from the European Southern Observatory in Chile. The results revealed for the first time that a star orbiting a black hole in the center of our galaxy moves as advanced by Einstein’s theory of general relativity.

Under Newton’s theory of gravity, a star orbits the black hole elliptically. But the researchers found that S2’s orbit was a rosette around the black hole 26,000 light-years from the Sun.

“Einstein’s general relativity predicts that the linked orbits of one object around another are not closed, as in Newtonian gravity. This famous effect – seen for the first time on the orbit of the planet Mercury around the Sun – is a first proof in favor of general relativity “, says the co-author of the discovery, Reinhard Genzel, in a press release .