NASA's Webb identifies tiniest free-floating brown dwarf

University Park PA (SPX) Dec 14, 2023

Using NASA's James Webb Space Telescope, astronomers have identified the new record-holder for the smallest object that forms like a star: a tiny, free-floating brown dwarf with only three to four times the mass of Jupiter. Brown dwarfs are objects that straddle the dividing line between stars and planets. They form like stars, growing dense enough to collapse under their own gravity, but