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Published 4 days ago • loading... • Updated 3 days ago

How Rotten Eggs Solved an Exoplanet Mystery

Summary by Universe Today

The smell of rotten eggs has solved one of exoplanet science's most persistent mysteries. Astronomers using the James Webb Space Telescope have detected hydrogen sulfide gas in the atmospheres of four massive Jupiter like planets orbiting the star HR 8799, marking the first time this molecule has been identified beyond our Solar System. The discovery settles a long standing debate about whether these enormous worlds are truly planets or failed s…

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New Space Economy

How Rotten Eggs Solved an Exoplanet Mystery

The smell of rotten eggs has solved one of exoplanet science's most persistent mysteries. Astronomers using the James Webb Space Telescope have detected hydrogen sulfide gas in the atmospheres of four massive Jupiter like planets orbiting the star HR 8799, marking the first time this molecule has been identified beyond our Solar System. The discovery settles a long standing debate about whether these enormous worlds are truly planets or failed s…

4 days ago·United States

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Universe Today broke the news in United States 4 days ago on Monday, February 16, 2026.

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