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Scienceil y a 5 heures
© Domaine public / NasaUne première
Le télescope James Webb détecte directement pour la première fois du CO2 sur une exoplanète
James Webb avait déjà réussi à détecter du CO2 sur une exoplanète - WASP-39 - en 2022. Mais il s’agissait d’une observation indirecte.
