Peer inside remnants of an 800-year-old supernova and see a 'zombie' star 

 NASA's Chandra X-ray Observatory images the firework-like remnants of the great supernova of 1181. 

https://cdn.mos.cms.futurecdn.net/4SKdYncti8Qs3AddaFBc5J.jpg

https://www.space.com/chandra-supernova-snr-1181