Twins Orbit Gliese 229B
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Brown dwarfsPBS
•Surprise, it's twins! A brown dwarf discovered 30 years ago is actually two circling each other
76% Informative
Gliese 229B was the first known brown dwarf discovered 30 years ago .
Brown dwarfs are sometimes called failed stars because they’re lighter than stars, but heavier than gas giant planets.
Astronomers collected light and chemical clues using the Very Large Telescope in Chile and observed it’s a duo circling close to each other.
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