Webb Detects Possible Biosignature Gases in Atmosphere of K2-18b

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected the chemical fingerprints of dimethyl sulfide and/or dimethyl disulfide in the atmosphere of the super-Earth exoplanet K2-18b. The post Webb Detects Possible Biosignature Gases in Atmosphere of K2-18b appeared first on Sci.News: Breaking Science News.

Apr 17, 2025 - 09:00
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Webb Detects Possible Biosignature Gases in Atmosphere of K2-18b
An artist’s impression of the super-Earth exoplanet K2-18b. Image credit: A. Smith / N. Mandhusudhan.

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected the chemical fingerprints of dimethyl sulfide and/or dimethyl disulfide in the atmosphere of the super-Earth exoplanet K2-18b.

The post Webb Detects Possible Biosignature Gases in Atmosphere of K2-18b appeared first on Sci.News: Breaking Science News.

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