Hazy atmosphere may be hiding secrets of mysterious super-puff planet

21 March,2026 09:08 AM IST |  Texas  |  Agencies

Researchers led by Penn State used NASA’s James Webb Space Telescope (JWST) to investigate this unusual “super-puff” planet, which already challenges standard models of planetary formation. 

The ultra-low-density planet Kepler-51d. Pic Courtesy/NASA


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A newly published study suggests that a dense haze surrounding the ultra-low-density planet Kepler-51d may be concealing both its composition and how it formed.

Researchers led by Penn State used NASA's James Webb Space Telescope (JWST) to investigate this unusual "super-puff" planet, which already challenges standard models of planetary formation.

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