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July 19, 2021

Spinning brown dwarf with narrow colored atmospheric bands

This image shows how the faster a brown dwarf spins, the narrower the colored atmospheric bands on it are likely to become. Some brown dwarfs glow in visible light, but they're typically brightest in infrared wavelengths, which are longer than what human eyes can see.

[Research supported in part by the U.S. National Science Foundation grant AST 1539773.]

Learn more in the NSF Research News story Caught speeding: Clocking the fastest-spinning brown dwarfs. (Date image taken: unknown; date originally posted to NSF Multimedia Gallery: July 19, 2021)

Credit: NASA/JPL-Caltech

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