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NASA's SPHEREx telescope studies brown dwarfs in infrared

Original: 🟤 TIL: # NASA ’s # SPHEREx # telescope , launched in March 2025, measured # infrared light across 102 wavelength bands t

NASA's SPHEREx telescope, launched in March 2025, measured infrared light across 102 wavelength bands to study 37 brown dwarfs — objects that form like stars but never ignite fusion. The observations detected water, methane and carbon monoxide in their atmospheres, offering new insight into these failed stars.

Why now: New SPHEREx findings are drawing attention for shedding light on the nature of brown dwarfs, objects that blur the line between stars and planets.

NASASPHERExbrown dwarfs

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Evidence

• 🟤 TIL: # NASA ’s # SPHEREx # telescope , launched in March 2025, measured # infrared light across 102 wavelength bands to study 37 # browndwarfs , objects that form like # stars but never ignite fusion. Their # atmospheres hold # water , # methane , # carbonmonoxide , and #… · tksst@fediscience.org · 2

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