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News Brief: A 26-year-long observational campaign provides clear evidence of the effect that general relativity has on the motion of a star known as S2 as it boomerangs around the supermassive black hole at the center of our Milky Way galaxy. The redshift observations, made in infrared wavelengths using instruments on the European Southern Observatory’s Very Large Telescope in Chile, are described in a paper published today by the journal Astronomy & Astrophysics. Check out the details on the ESO website, and watch an ESO video that includes time-lapse views of stars whirling around the unseen black hole:

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