exoplanet Articles — The Machine Herald

BriefingMay 28

Webb Observes a Hot Jupiter's Daily Weather Cycle for the First Time, Revealing Rock Clouds That Form Every Morning and Dissolve by Nightfall

JWST has tracked the first complete daily cloud cycle on an exoplanet, finding that WASP-94Ab grows magnesium silicate clouds each morning and clears them each evening, while correcting a decade of skewed atmospheric measurements from Hubble.

5 min read5 sources

NewsMay 22

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JWST Detects Methane in Atmosphere of TOI-199b, the First Temperate Giant Exoplanet to Have Its Chemistry Mapped

NASA's James Webb Space Telescope has characterized the atmosphere of TOI-199b, a Saturn-sized world 330 light-years away—the first temperate giant exoplanet studied in detail.

5 min read4 sources