brown dwarfs

Webb spots brown dwarfs just twice Jupiter’s mass

NASA's James Webb Space Telescope has captured one of its largest public images to date — a sweeping near-infrared mosaic of IC 348, a star-forming region roughly 1,000 light-years from Earth in the constellation Perseus. Featured by NASA on Tuesday,…

Astronomers detect first moon-like object beyond our solar system

Astronomers have found the first strong evidence for a moon-like object beyond our solar system — but it does not orbit a planet. Instead, the Jupiter-mass body circles a brown dwarf in the CD-35 2722 system, roughly 71 light-years from…