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Astronomers have long debated what kind of chemistry might serve as a bona fide alien biosignature

Laura kreidbergDavid kinneySara seagerRobin wordsworthJoshua krissansen tottonJoseph olmstedChris kempesMax planck institute for astronomyHarvard universityYale universitySanta fe instituteUniversity of washingtonJames webb space telescopeTransmission spectrumSignatures graphicExoplanet biosignatures