The Song dynasty historical annals Song Hui Yao record a stellar explosion in 1054 AD, and this has been identified by Western astronomers as the supernova that developed into the Crab Nebula, which is still expanding in the constellation Taurus.
西元一○五四年《宋會要》記載的一顆超新星，後來也被西方天文學家證實，金牛座到現在還不斷膨脹的「蟹狀星雲」，就是它當年爆發的遺蹟。