Chemical traces resembling rotten eggs have been detected on an alien planet similar to Jupiter

by Abbas Adil

Shafaqna India: The planet known as HD 189733b, discovered in 2005, has garnered a reputation as an extreme world. It’s a scorching hot gas giant slightly larger than Jupiter, distinguished by its vivid cobalt blue hue and fierce atmospheric conditions where molten glass rain is driven sideways by powerful winds. But recently, researchers have added a new dimension to its profile.

Using data from the James Webb Space Telescope, scientists have detected hydrogen sulfide in the planet’s atmosphere—a chemical known for its association with the foul smell of rotten eggs. This discovery provides a more comprehensive understanding of HD 189733b, one of the most extensively studied exoplanets outside our solar system.

“This finding of hydrogen sulfide certainly adds to its already notorious reputation,” remarked astrophysicist Guangwei Fu of Johns Hopkins University in Baltimore, lead author of the study published in Nature. “While not a destination for human exploration, this planet remains a crucial target for advancing our knowledge of planetary science.”

HD 189733b belongs to the category known as “hot Jupiters,” gas giants akin to Jupiter but much hotter due to their proximity to their host stars. This particular planet orbits its star 170 times closer than Jupiter orbits the Sun.

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