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Fastest star in the Milky Way feels the rotation of our central black hole

The Milky Way’s massive black hole is rapidly rotating, and a star in an unprecedentedly close orbit could help measure its spin The post Fastest star in the Milky Way feels the rotation of our…

  • S301 is the fastest-known star in the Milky Way, orbiting Sagittarius A at 25,000 km/s.
  • S301 has a very short orbital period of 8.7 years, breaking the previous record of 12 years.

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