Did James Webb Spot Ghosts in Space? New Simulations Suggest These Mysterious ‘Rogue’ Objects May Not Exist
Astronomers were confused when the James Webb Space Telescope (JWST) first saw strange, free-floating pairs of Jupiter-sized objects in 2023. These strange cosmic objects, called “JuMBOs” (Jupiter-mass binary objects), seemed to go against the usual ideas about how planets form because they didn’t have a parent star and were drifting through space in tight gravitational ...
