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Tethys , in Greek religion and mythology
(Encyclopedia)Tethys, in Greek religion and mythology, a Titan, daughter of Gaea and Uranus. She was the wife of the seagod Oceanus and the mother of the Oceanids. ...Hyperion, in Greek religion and mythology
(Encyclopedia)Hyperion, in Greek religion and mythology, a Titan. He was the husband of his sister Theia and the father by her of Helios, Selene, and Eos. It is sometimes said that he was the original sun god. ...Pontus, in Greek religion and mythology
(Encyclopedia)Pontus pŏnˈtəs [key], in Greek religion and mythology, sea god. He was the son of Gaea and by her the father of Ceto, Nereus, Thaumus, Phorcus, and Eurybia. ...retrograde motion
(Encyclopedia)retrograde motion, in astronomy, real or apparent movement of a planet, dwarf planet, moon, asteroid, or comet from east to west relative to the fixed stars. The most common direction of motion in the...Picard, Jean
(Encyclopedia)Picard, Jean, 1620–82, French astronomer, noted for having made the first accurate measurement of a degree of the earth's meridian. The figures he established were of great value to Newton in his ca...Neptune, in Roman religion and mythology
(Encyclopedia)Neptune, in Roman religion and mythology, god of water. He was presumably an indigenous god of fertility, but in later times he was identified with the Greek Poseidon, god of the sea. At his festival,...Saturn, in Roman religion and mythology
(Encyclopedia)Saturn, in Roman religion and mythology, god of harvests, later identified with the Greek Kronos. Little is known of the origins of his cult. His reign was regarded as the Golden Age. He was the husba...elongation
(Encyclopedia)elongation, in astronomy, the angular distance between two points in the sky as measured from a third point. The elongation of a planet is usually measured as the angular distance from the sun to the ...Jupiter, in Roman religion and mythology
(Encyclopedia)Jupiter, in Roman religion and mythology, the supreme god, also called Jove. Originally a sky deity associated with rain and agriculture, he developed into the great father god, prime protector of the...Aurora, in Roman religion and mythology
(Encyclopedia)Aurora, in Roman religion and mythology: see Eos. ...Browse by Subject
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