Brown-Dwarfs on Startgaze — Astronomy, Stargazing & Space Sciencehttps://www.startgaze.com/tags/brown-dwarfs/Recent content in Brown-Dwarfs on Startgaze — Astronomy, Stargazing & Space ScienceHugoen-usTue, 20 Oct 2026 07:38:12 +0000Webb watched water clouds thin and thicken on the coldest known brown dwarfhttps://www.startgaze.com/posts/2026-10-20-wise-0855-water-clouds-coldest-brown-dwarf/Tue, 20 Oct 2026 07:38:12 +0000https://www.startgaze.com/posts/2026-10-20-wise-0855-water-clouds-coldest-brown-dwarf/JWST tracked WISE 0855, the coldest known brown dwarf, for 11 hours. Its spectra point to patchy water clouds changing thickness and deep gas welling up.