A ‘super-puff’ exoplanet is losing its atmosphere, and the James Webb Space Telescope had a look
Astronomers have spotted a distant world "shedding" its atmosphere into space in real time, creating a giant cloud of helium gas that sweeps across its parent star well before the planet itself.
Astrobitica
December 3, 2025 (Last updated: December 3, 2025) 1 minute read
Astronomers have spotted a distant world “shedding” its atmosphere into space in real time, creating a giant cloud of helium gas that sweeps across its parent star well before the planet itself.