Astronomers identify S301 as fastest star in Milky Way

The star orbits the supermassive black hole Sagittarius A* at 25,000 kilometers per second using the GRAVITY instrument.

Arjun Nair

Astronomy Editor

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Astronomers identified S301 as the fastest star in the Milky Way galaxy, orbiting the supermassive black hole Sagittarius A* at a peak speed of 25,000 kilometers per second.^[1]