A WC/WO star exploding within an expanding carbon-oxygen-neon nebula. - Gal-Yam A; Bruch R; Schulze S; Yang Y; Perley DA; Irani I; Sollerman J; Kool EC; Soumagnac MT; Yaron O; Strotjohann NL; Zimmerman E; et al. (Nature, 2022)