Colorful Dance | Space Wallpaper

This stunning space wallpaper shows the youngest-known supernova remnant in our galaxy, which lies 10,000 light years away in the constellation Cassiopeia. The light from this exploding star first reached Earth in the 1600s.



via LiveScience.com http://www.livescience.com/34640-supernova-remnant-cassiopeia-a-space-wallpaper.html