Amaterasu is the goddess of the sun and also of the universe. She is a sister to Susanoo, the god of storms and the sea, and of Tsukuyomi, the god of the moon. All three were born from Izanagi and Izanami.
Amesha Spenta or Amahraspand (Holy Immortal) is 6 celestial beings, representing Ahura Mazda's spiritual powers. The major part of this very extensive text, written both inside and outside the present large bowl, has so far not been understood.