Earlier this year, Webb’s MIRI revealed new and unexpected features of Cas A – now it’s NIRCam’s turn! Here’s the NIRCam view of Cas A, beside the MIRI view. Access our slider here: https://t.co/Ca2rziheNK 1/5 pic.twitter.com/GQnwDfFj33

— ESA Webb Telescope (@ESA_Webb) December 11, 2023