Webb Detects Methane in Atmosphere of Exo-Saturn TOI-199b

May 25, 2026 - 12:30
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Webb Detects Methane in Atmosphere of Exo-Saturn TOI-199b
An artist’s rendition of the ultrahot Jupiter TOI-1518b and its parent star. Image credit: Sci-News.com.

Using spectral data from the Near-Infrared Spectrograph (NIRSpec) onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers analyzed the atmosphere of TOI-199b, a distant Saturn-mass world that is neither frozen nor scorching hot.

The post Webb Detects Methane in Atmosphere of Exo-Saturn TOI-199b appeared first on Sci.News: Breaking Science News.

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