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Webb Space Telescope Cracks Case of Puffy “Microwaved Marshmallow” Exoplanet


A surprising deficiency of methane suggests that tidal heating has puffed up the atmosphere of the warm gas giant WASP-107 b. Why is the warm gas-giant exoplanet WASP-107 b so, so puffy? With a moderate temperature and an ultra-low density on par with a microwaved marshmallow, it seems to defy stan

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