James Webb Space Telescope Captures Stunning Images of Supernova Remnant Cas A in Holiday-Themed Collaboration with White House
The James Webb Space Telescope captured images of the remains of a supernova star. The star, called Cassiopeia A (Cas A), shines brightly about 11,000 light-years from Earth, making it look like an ornament more suitable for a Christmas tree. NASA images show the star’s inner dust envelope, which looks like fire smoke and emits … Read more