Brown dwarf wind speed measured for first time

The National Science Foundation’s Karl G. Jansky Very Large Array (VLA) and NASA’s Spitzer Space Telescope has been used to measure wind speeds on a brown dwarf called 2MASS J10475385+2124234. Story: How the brown dwarf blows: Wind speed of a 'failed star' measured for 1st time: https://www.space.com/brown-dwarf-wind-speed-measured-first-time.html

Credit: Bill Saxton, NRAO/AUI/NSF