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Astronomy and space

Astronomy and space

Mysterious brown dwarf is two objects, not one

01 Nov 2024
Binary brown dwarf
Twirling pair Artist’s impression of Gliese 229Ba and Gliese 229Bb orbiting each other to create Gliese 229B. The brown dwarf pair orbit a cool M-dwarf star (shown in the distance) every 250 years. (Courtesy: K Miller/R Hurt/Caltech/IPAC)
Two independent studies suggest that the brown dwarf Gliese 229 B is not a single object, but rather

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Sam Jarman is a science writer based in the UK
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