Bedtime Astronomy

Scientists Discover Two Massive Planets That Are Almost Empty

July 31, 2026·32 min
Episode Description from the Publisher

Astronomers have discovered two rare Jupiter-sized "super-puff" exoplanets more than 1,100 light-years from Earth.Despite their enormous size, these worlds have an incredibly low density, consisting mostly of hydrogen and helium, making them among the lightest planets ever found.The discovery offers new clues about planet formation, while future observations with the James Webb Space Telescope could reveal the secrets hidden within their unusual atmospheres.Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.This episode includes AI-generated content.

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