Algol is probably the most famous variable star in all the heavens.The ancient Greeks saw this star as the head of the Medusa, the frightful monster with a head full of snakes instead of hair.

• 可能是在所有的天体中最有名的星星，古希腊人认为这颗星星是美杜莎的头儿，头上有许多蛇发的可怕怪物。