2,500-year-old mysterious stone disk could be oldest celestial map ever

In the serene landscapes of northeastern Italy, an artifact has emerged from the depths of history—a stone disk etched with enigmatic engravings resembling a celestial map. The discovery was announced in a press release by the Italian National Institute for Astrophysics (INAF).

Seemingly mundane yet profoundly enigmatic, this ancient relic may hold the key to unraveling the mysteries of a supernova explosion lost to the annals of time. Among the many castles in the Karst area, that of Rupinpiccolo is one of the best preserved.

Two large circular stones – two thick discs about 50 cm in…