Hydrogen sulfide (H2S) discovered in the atmosphere of nearby giant planet HD 189733 A b

9. 7. 2024

Hydrogen sulfide (H2S) discovered in the atmosphere of nearby giant planet HD 189733 A b

Star system: HD 189733 A | Distance from the Sun: 64.5 light years

This and other elements like water and carbon monoxide suggest the planet formed from icy materials

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

Stars mentioned

HD 189733 A

K2V C, Orange star

mass: 0.81 M☉

radius: 0.7 R☉

distance: 64.5 ly

stars in the system: 2

exoplanets: 1

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