About 550 light-years from Earth, Chi Cygni, a star like our Sun, is writhing in its death throes. It is now so large that it would swallow every planet out to Mars. (Artist rendering, credit: ESO/L. Calçada)I love it.
A nursery of stars.So beautiful.The mind wonders when it sees the universe, the heart fills with passion thinking about the million universes there are the billion galaxies and the infinite stars they contain
Clump of active galactic cores that stretch 4 billion light-years from end to end. The structure is a light quasar group (LQG), a collection of extremely luminous Galactic Nulcei powered by supermassive central black holes.
This stunning false-colour picture shows off the many sides of the supernova remnant Cassiopeia A. Located light-years away, Cassiopeia A is the remnant of a once massive star that died in a violent supernova explosion 325 years ago.