Bedtime Astronomy
Bedtime Astronomy
Synthetic Universe
James Webb Discovers Earth-Like Weather on the Coldest Brown Dwarf
20 minutes Posted Oct 16, 2026 at 8:00 am.
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Show notes
The James Webb Space Telescope has revealed changing water clouds and mysterious chemical rhythms on WISE 0855, the coldest known brown dwarf. These observations expose weather patterns and atmospheric processes that resemble those on Earth, offering new clues about the strange worlds between planets and stars.

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