Simplify the following text for a Grade 8 native English-speaking person.
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 .