Cloudy with a Chance of Water: The Mysteries of WISE 0855 Unveiled

Podcast: Astronomy Daily: Latest Space News · bitesz.com

Opublikowano: 2026-10-13

The coldest brown dwarf we know has weather. JWST watched water clouds thicken and thin on WISE 0855, a sunless world seven and a half light-years away — plus a star slowly eating a brown dwarf, ten minutes of X-rays after a half-second burst, a Soviet satellite breaking up over Western Australia, NASA's lunar cave hunt, and Mercury's best evening show of the year for the south. Stories Weather on a World Without a Sun Miles et al. used JWST NIRSpec to take a spectrum of WISE 0855 every 15 minutes for 11 hours. Carbon monoxide and phosphine rise and fall to...