NASA Universe(@NASAUniverse):Meet the universe’s goth worlds. Brown dwarfs drift in darkness, ungoverned by a host star and heated entirely from within. Our SPHEREx telescope studied 37 of these objects, revealing chemically rich atmospheres harboring water, carbon dioxide, carbon monoxide, and methane. ⬇️

NASA Universe

@NASAUniverse

Your backstage pass to the universe and how NASA studies it. Exoplanets, black holes, dark energy, and more!

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NASA Universe@NASAUniverse

2026.10.15 16:03

Meet the universe’s goth worlds. Brown dwarfs drift in darkness, ungoverned by a host star and heated entirely from within. Our SPHEREx telescope studied 37 of these objects, revealing chemically rich atmospheres harboring water, carbon dioxide, carbon monoxide, and methane. ⬇️