Researchers spotted hydrogen sulfide in an exoplanet's atmosphere. The discovery advances what’s known about the potential composition of exoplanets.
An exoplanet the size of Jupiter has long intrigued astronomers because of its scorching temperatures, screaming winds and sideways rain made of glass. Now, data from the James Webb Space Telescope has revealed another intriguing feature of the planet known as HD 189733b: it smells like rotten eggs.
“The high precision and infrared capability from allow us to detect hydrogen sulfide for the first time on exoplanets, which opens a new spectral window into studying exoplanet atmospheric sulfur chemistry. This helps us to understand what exoplanets are made of and how they came to be.”Additionally, the team spotted water, carbon dioxide and carbon monoxide in the planet’s atmosphere, Fu said — which means these molecules could be common in other gas giant exoplanets.
HD 189733B James Webb Space Telescope Jupiter Neptune Saturn Uranus Astronomy Astrophysics Exoplanet Glass Rain Molecule Science Scientists Solar System Space Stars Sknd
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