https://edufabtech.com/news/webb-finds-smallest-brown-dwarfs-ic-348-hydrocarbon-class
Webb Telescope Finds Brown Dwarfs Down to 2 Jupiter Masses — EduFabTech
JWST spectroscopy confirms brown dwarfs as light as 2 Jupiter masses in cluster IC 348 and identifies a new spectral class, two 2026 studies report.
webb telescopebrown dwarfsdown tojupiter massesfinds