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Nearby exoplanet is a 1st-of-its-kind ‘steam world,’ James Webb Space Telescope finds

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Nearby exoplanet is a 1st-of-its-kind ‘steam world,’ James Webb Space Telescope finds

A nearby alien planet is the first of its kind, new observations by the James Webb Space Telescope (JWST) suggest.

Located around 100 light-years away from Earth, the exoplanet is shrouded in a thick envelope of steam. This world, designated GJ 9827 d, is around twice the size of Earth, three times more massive than our planet, and has an atmosphere almost entirely composed of water vapor.

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