Supernova.

(Cassiopeia A: NASA, ESA, CSA, STScI, D. Milisavljevic, T. Temim, I. De Looze)

>> https://www.nasa.gov/missions/webb/nasas-webb-stuns-with-new-high-definition-look-at-exploded-star/

NASA’s James Webb Space Telescope’s new view of Cassiopeia A (Cas A) in near-infrared light is giving astronomers hints at the dynamical processes occurring within the supernova remnant. #JWST