New research suggests that an unusual Greek coin, minted around 120 BC, may have marked a rare astronomical event - when Jupiter was occulted by the Moon. It happened on January 17, 121 BC and was visible in Antioch, the capital of the Seleucid Empire. The coin had a portrait of Antiochos VIII, the king who minted it, on one side and god Zeus with a crescent moon above his head and a star-like object (may be Jupiter) hovering above the palm of his right hand on the other side Read more