Pleiades

In astronomy, the Pleiades ( /ˈplaɪ.ədiːz/ or /ˈpliːədiːz/), or Seven Sisters (Messier object 45 or M45), is an open star cluster containing middle-aged hot B-type stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky. The name Pleiades comes from Greek mythology; it has several meanings in different cultures and traditions.