18 Million Miles per Hour: Star With the Shortest Orbital Period Around Black Hole Discovered

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A newly discovered star only takes four years to travel around the black hole at the center of our Milky Way. Astronomers have discovered the fastest known star, which travels around a black hole in record time. The star, S4716, orbits Sagittarius A*, the black hole in the center of our galaxy, in four years and reaches a speed of around 8,000 kilometers per second (5,000 miles per second) which ...

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