
Scientists have compared an exploded star to an impressive Christmas bauble.
A new image from NASA’s James Webb Space Telescope shows the 60-trillion-mile-wide supernova remnant Cassiopeia A (Cas A).

Scientists have compared an exploded star to an impressive Christmas bauble.
A new image from NASA’s James Webb Space Telescope shows the 60-trillion-mile-wide supernova remnant Cassiopeia A (Cas A).