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JWST finds the planet TRAPPIST-1b may not have an atmosphere


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James Webb Space Telescope finds no atmosphere on Earth-like TRAPPIST-1 exoplanet

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[NASAWebb] TRAPPIST-1 b: We give it a one (M-dwarf) star review; it lacks atmosphere. Webb found the dayside temperature of this rocky exoplanet to be about 450º F (227º C) — suggesting it has no significant atmosphere

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The biggest planet orbiting TRAPPIST-1 doesn’t appear to have an atmosphere