Scientific American Content | Global Follow JWST catches cosmic imposters spoofing faraway galaxies 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 https://www.scientificamerican.com/article/jwst-catches-cosmic-imposters-spoofing-faraway-galaxies/ scientificamerican.com
