Original: Artemis later became identified with Selene, a Titaness who was a Greek moon goddess, sometimes depicted with a crescent moon above her head. She was also identified with the Roman goddess Diana, with the Etruscan goddess Artume, and with the Greek or Carian goddess Hecate.
Simplified: During the 5th century BC, Artemis became also known as the goddess of the moon, becoming one with the goddess Selene.