Supernova that lit up Earth's skies 843 years ago has a flowering 'zombie star' at its heart — and it's still exploding - Livescience.com

A first-of-its-kind, animated map has revealed fresh secrets about a mysterious, flowering "zombie star" lurking in the remnant of a supernova that lit up Earth's skies more than 800 years ago. The "… [+3911 chars]