Dandelion Supernova Revealed in 3-D CaltechIn a cosmic horror show, this zombie star survived a supernova explosion Space.comSupernova that lit up Earth's skies 843 years ago has a flowering 'zombie star' at its heart — and it's still exploding Livescience.comAstronomers take a close look at a dandelion-shaped supernova and zombie star Phys.orgHumans saw a star disappear 800 years ago.