NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope is shedding light on brown dwarfs, celestial objects that blur the line between stars and exoplanets. New findings published in The Astrophysical Journal show that these dark...
NASA’s SPHEREx Telescope Sees Menagerie of Brown Dwarfs
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October 8, 2026 •
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