Andrew Paul is Popular Science's staff writer covering tech news. Previously, he was a regular contributor to The A.V. Club and Input, and has had recent work featured by Rolling Stone, Fangoria, GQ, Slate, NBC, as well as McSweeney's Internet Tendency. He lives outside Indianapolis.
ArticleBody:A black hole likely lurks even closer to Earth than the supermassive Sagittarius A* at the center of our home Milky Way galaxy. Don’t panic, though. While the first evidence of its kind, the potential intermediate-mass spacetime singularity isn’t a planetary threat. But the center of the Omega Centauri star cluster does appear to confirm a longstanding theory about the nature of galactic formations.
PhD student Maximilian Häberle oversaw the arduous task of painstakingly cataloging the extremely fast velocities of 1.4 million stars within the cluster through examining over 500 images taken by the Hubble Space Telescope. Given their relative speeds, astronomers believed a concentrated mass lay somewhere amid all those stars.
group leader Nadine Neumeyer added. “We now have an answer to that and the confirmation that Omega Centauri contains an intermediate-mass black hole.” According to Neumeyer, the intermediate-mass black hole 18,000 light-years from Earth makes it the closest known example of a black hole—closer, even, than Sagittarius A* at the center of the Milky Way. https://www.youtube.
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