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Winds of 1,500 MPH Recorded on ‘Failed Star’ 33 Light-Years Away in First Observation of Its Kind

Newsweek
For the first time, astronomers have measured atmospheric wind speed on a world outside our solar system, recording winds averaging around 1,450 mph on a brown dwarf — an astronomical object with a mass between that of a planet and a star. Bucknell physics and astronomy professor Katelyn Allers says in this story that despite the similarities with Jupiter, the wind speeds on the brown dwarf are much higher than on the gas giant where the winds “only” reach speeds of around 230 mph.

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