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LiveScience
LiveScience
Elizabeth Howell

James Webb telescope spots strange 'super-puff' planet frantically chasing its own atmosphere through space

An illustration of a distant planet shrouded in purple hydrogen gas.

A "super-puff" exoplanet is leaking a lot of helium into space, new observations show — and may be in the process of losing a lot of its atmosphere.

A large plume of helium gas was spotted evaporating from the giant planet, known as WASP-107b, according to research based on observations from the James Webb Space Telescope (JWST).

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