EntityQ653625· pop 7· linked from 5 articlesHarpalusSign in to saveancient Greek astronomerConnectionsAncient GreeceEntityInternational Standard Book NumberEntityDardanellesEntityastronomerEntityXerxes IEntityolympiadEntitylunar craterEntityCleostratusEntityXerxes' Pontoon BridgesEntityCategories5th-century BC Greek peopleAncient Greek astronomers