Thía or Tea was the name in Greek mythology of one of the Titanids. In some documents it is also listed as Tuya, Etra or Eurifaesa. It means where the light comes from, luminous sky or that of wide brightness. Goddess of sight and observation. She was the daughter of Uranus and Gaia. She was the mother of the luminaries with Hyperion (Helios, Selene and Eos). Name of an asteroid .