In later Egyptian dynastic times, Ra was merged with the god Horus, as Ra-Horakhty("Ra, who is Horus of the Two Horizons"). He was believed to rule in all parts of the created world: the sky, the earth, and the underworld. read more
There are so many regional variations and variations over time including a syncretic form that combines Horus and Ra. read more
Although they are similar looking and both associated heavily with the sun, Ra and Horus are not the same god. Ra and Atum were considered the “creator gods”, being credited with the creation of all life and the seasons. Horus, however, was the son of Osiris and Isis. Osiris was killed by his brother Set, but was then revived by his wife Isis long enough to conceive Horus, who contests Set throughout Egyptian mythology as the rightful heir to the throne. read more
Horus may receive the fertile lands around the Nile, the core of Egyptian civilization, in which case Set takes the barren desert or the foreign lands that are associated with it; Horus may rule the earth while Set dwells in the sky; and each god may take one of the two traditional halves of the country, Upper and Lower Egypt, in which case either god may be connected with either region. read more