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James Webb Space Telescope finds 'puffball' exoplanet is uniquely lopsided

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Astronomers have discovered that a "puffy" planet is asymmetric, meaning there is a significant difference between one side of the atmosphere and the other.

WASP-107 b is 94% the size of Jupiter but only has 10% of the mass of the solar system gas giant.

This is the first time the east-west asymmetry of any exoplanet has ever been observed from space as it transits its star.

The team now plans to examine the data collected with the JWST more closely.

Rob holds a bachelor of science degree in physics and astronomy from the U.K.’s Open University . Follow him on Twitter @sciencef1rst..