Possible Dimethyl Sulfide in K2-18b's Atmosphere Detected by JWST: A Tentative Biomarker Signal on a Hydrogen-Rich Exoplanet

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Possible dimethyl sulfide (DMS) was detected in the atmosphere of the hydrogen-rich exoplanet K2-18b by JWST, led by Nikku Madhusudhan, which could be a strong biosignature if confirmed but requires corroborating evidence and further observations before indicating life beyond Earth.

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The discovery of DMS on K2-18b
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The discovery of DMS on K2-18b

This article discusses the first-ever discovery of Dimethyl Sulfide (DMS) in the atmosphere of K2-18b, an exoplanet located 124 light-years away from Earth. It discusses the importance of DMS as a biomarker, the tools and methods used to detect it, and the possible implications for extraterrestrial life. The discovery challenges conventional ideas of habitable conditions...