Planē (mythology) referred to, as an abstract concept, in Christian and Gnostic philosophy. Planē (mythology) Planē or "Plane" (, pronounced "pla-neh"), in ancient Greek religion, was an abstract goddess, the personification of the concept of error (her name deriving from the Greek term for 'wandering' [see planet ] ). Though her mythology is obscure, it is known that she was present at the musical competition between the god Apollo and the satyr Marsyas. She is depicted in that scene, looking on in horror at the sight of Marsyas about to be flayed for losing, in a few 4th century mosaics in the
Tethys (mythology) Tethys (mythology) In Greek mythology, Tethys (; ), was a Titan daughter of Uranus and Gaia, sister and wife of Titan-god Oceanus, mother of the Potamoi and the Oceanids. Tethys had no active role in Greek mythology and no established cults. Tethys was one of the Titan offspring of Uranus (Sky) and Gaia (Earth). Hesiod lists her Titan siblings as Oceanus, Coeus, Crius, Hyperion, Iapetus, Theia, Rhea, Themis, Mnemosyne, Phoebe, and Cronus. Tethys married her brother Oceanus, an enormous river encircling the world and was by him the mother of numerous sons, the Potamoi and numerous daughters, the Oceanids. According