Webb Telescope reveals intricate structures in Cassiopeia A supernova
A light echo is created when a star explodes or erupts, flashing light into surrounding clumps of dust and causing them to shine in an ever-expanding pattern.
NASA's James Webb Space Telescope reveals intricate structures in Cassiopeia A supernova light echo.(photo credit: NASA, ESA, CSA, STScI, J. Jencson (Caltech/IPAC))ByJERUSALEM POST STAFF
