JWST catches cosmic imposters spoofing faraway galaxies

The James Webb Space Telescope has spotted nearby brown dwarfs mistaken for distant galaxies, revealing how appearances can deceive in astronomy. This discovery helps scientists better understand cosmic objects and avoid misidentification. It’s a reminder that even the most advanced tools need careful interpretation.
The James Webb Space Telescope has found nearby brown dwarfs masquerading as far-distant galaxies. The discovery reinforces how, in astronomy, what you see isn’t always what you get
Scientific American