
The atmospheric composition of the hot Jupiter exoplanet HD 189733b is characterized, revealing the presence of H2O, CO2, CO, and H2S, and indicating a high atmospheric metallicity and low carbon-to-oxygen ratio, suggesting formation through the accretion of water-rich icy planetesimals.


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Hydrogen sulfide and metal-enriched atmosphere for a Jupiter-mass exoplanet - Nature

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Comprehensive Atmospheric Characterization of the Hot Jupiter Exoplanet HD 189733b
