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Atmospheric Anomalies and Technosignatures on TRAPPIST-1e

Science Time · 2024

"Spectral anomalies detected on the tidally locked exoplanet TRAPPIST-1e defy standard atmospheric models, raising the remote but real possibility of non-natural chemistry indicative of a Kardashev Type I civilization."

The idea

40 light-years away, the TRAPPIST-1 system hosts seven Earth-sized rocky planets around an ultra-cool red dwarf. TRAPPIST-1e sits in the habitable zone, making it a prime James Webb Space Telescope target. Red dwarf systems are volatile — close-in planets are tidally locked, one side permanently facing the star, and hit by intense stellar flares. Despite that, recent JWST spectral data from TRAPPIST-1e doesn't match expected barren-rock or standard atmospheric profiles.

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