Aristarchus of Sa·mos英ˈseɪˌmɒs, ˈsæmˌəʊs, ˈsɑːmɔːs美ˈseˌmɑs, ˈsæmˌos, ˈsɑmɔsAHDsāʹmŏs', sămʹōs', säʹmôs 基本英英 萨摩斯的阿利斯塔克斯古希腊天文学家,大约活动于前三世纪 Noun: an ancient Greek astronomer who was one of the first to propose a heliocentric theory of the universe circa 270 BC