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Researchers announced the discovery of S301, the fastest known star in the Milky Way. The star runs 25,000 kilometers per second, which is about 100,000 times the flight speed of a commercial airliner. According to a research report published in the British “Nature” magazine on the 19th, S301 is about 1.5 times the mass of the Sun and 5 times brighter than the Sun. It runs around the black hole Sagittarius A* speed along an elliptical orbit. It only takes 8.7 years to orbit one week.

Zhitongcaijing·08/21/2026 07:41:05
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Researchers announced the discovery of S301, the fastest known star in the Milky Way. The star runs 25,000 kilometers per second, which is about 100,000 times the flight speed of a commercial airliner. According to a research report published in the British “Nature” magazine on the 19th, S301 is about 1.5 times the mass of the Sun and 5 times brighter than the Sun. It runs around the black hole Sagittarius A* speed along an elliptical orbit. It only takes 8.7 years to orbit one week.