Webb Telescope Unveils Mystery Behind 'Puffy' Exoplanets

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Source: Livescience.com
Webb Telescope Unveils Mystery Behind 'Puffy' Exoplanets
Photo: Livescience.com
TL;DR

New observations from the James Webb Space Telescope suggest that the unusually low methane levels in the atmosphere of the exoplanet WASP-107 b may explain its "puffy" nature. The findings indicate that the planet's atmosphere is inflated due to high internal temperatures and tidal heating from its star, rather than requiring exotic formation theories. This research, combined with previous Hubble data, provides new insights into the atmospheric dynamics and composition of this lightweight, marshmallow-like planet.

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