Webb's new view in mid-infrared light reveals never-before-seen details by spatially resolving regions with different gas compositions and revealing what types of dust were formed in those regions. https://go.nasa.gov/3Msm6dt #Hubble
A new mid-infrared image from NASA’s James Webb Space Telescope shows the supernova remnant Cassiopeia A (Cas A), created by a stellar explosion seen from Earth 340 years ago.
