A star dancing around the supermassive black hole in the heart of the Milky Way confirms that Einstein was still right


Sagittarius A *, the a supermassive black hole in the center of the Milky Way galaxy, is surrounded by stars in orbit thanks to its gigantic gravitational pull. For decades, astronomers have observed a specific star in this region, and new research proves once again that Albert einstein knew a thing or two about gravity.

In a study published Thursday in the journal Astronomy & Astrophysics, researchers revealed for the first time that a star “danced” around Sagittarius A * move like Einstein predicted with his general theory of relativity. The team of scientists studied the star for 27 years using the very large telescope of the European Southern Observatory in the Atacama Desert in Chile, in the hope of unraveling the mysteries of the gargantuan black hole in the heart of our galaxy.

Isaac Newton’s theory of gravity predicted that a star would orbit the black hole elliptically, but the researchers found that S2’s orbit was actually a rosette around the black hole, located 26,000 light years from the sun.


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