Neptune of the sea, identified with the Greek Poseidon. The demand for a mythological name seemed to be in keeping with the nomenclature of the other planets, all of which, except for Earth, were named for deities in Greek and Roman mythology. Most languages today, even in countries that have no direct link to Greco-Roman culture, use some variant of the name "Neptune" for the planet. However, in Chinese, Vietnamese, Japanese, and Korean, the planet's name was translated as "sea king star" (), because Neptune was the god of the sea. In Mongolian, Neptune is called "Dalain Van" (Далайн ван), reflecting
Uranus (mythology) Greek) the son of Uranus. What is anomalous is that, while the others take Roman names, "Uranus" is a name derived from Greek in contrast to the Roman Caelus. Uranus (mythology) Uranus (; Ancient Greek , "Ouranos" meaning "sky" or "heaven") was the primal Greek god personifying the sky and one of the Greek primordial deities. Uranus is associated with the Roman god Caelus. In Ancient Greek literature, Uranus or Father Sky was the son and husband of Gaia, Mother Earth. According to Hesiod's "Theogony", Uranus was conceived by Gaia alone, but other sources cite Aether as his father. Uranus