mercredi 29 mars 2023

Le téléscope James Webb mesure la température d'une planète cousine de la Terre, une première mondiale

 https://www.lalibre.be/planete/sciences-espace/2023/03/27/le-telescope-james-webb-mesure-la-temperature-dune-planete-cousine-de-la-terre-une-premiere-mondiale-TUDSMPKW4NAWHFIDKS77RNR5YA/

 This illustration provided by the European Space Agency depicts what the exoplanet TRAPPIST-1 b could look like. On Monday, March 27, 2023, scientists said the Webb Space Telescope has found no evidence of an atmosphere at this innermost of the seven rocky, Earth-sized planets orbiting the nearby star, named Trappist. (NASA, ESA, CSA, J. Olmsted (STScI), T. P. Greene (NASA Ames), T. Bell (BAERI), E. Ducrot (CEA), P. Lagage (CEA) via AP)

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