Planet where it rains sand revealed by Nasa telescope

Our knowledge of other planets is based on what we know from Earth, said Prof Leen Decin, of the Catholic Institute (KU) Leuven and first author of the research. That's a very restricted knowledge.

Wasp-107b is similar in mass to Neptune but almost the size of Jupiter, and its vast, diffuse nature allows the James Webb telescope to peer deep into its atmosphere.

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