柯林斯詞典fixed star 1. N any of the stars in the Ptolemaic system, all of which were thought to be attached to an outer crystal sphere thus explaining their apparent lack of movement 恒星 返回 fixed star劍橋詞典a star that is so far from the earth that it seems not to move in relation to other distant (= far away) stars as the earth moves through space 恒星 返回 fixed star