Celestial navigation Celestial navigation Celestial navigation, also known as astronavigation, is the ancient and modern practice of position fixing that enables a navigator to transition through a space without having to rely on estimated calculations, or dead reckoning, to know their position. Celestial navigation uses "sights", or angular measurements taken between a celestial body (e.g. the Sun, the Moon, a planet, or a star) and the visible horizon. The Sun is most commonly used, but navigators can also use the Moon, a planet, Polaris, or one of 57 other navigational stars whose coordinates are tabulated in the nautical almanac and air almanacs.
Cel (goddess) Cel (goddess) Cel was the Etruscan goddess of the earth. On the Etruscan calendar, the month of "Celi" (September) is likely named for her. Her Greek counterpart is Gaia and her Roman is Tellus. In Etruscan mythology, Cel was the mother of the Giants. A bronze mirror from the 5th century BC depicts a theomachy in which Celsclan, "son of Cel," is a Giant attacked by Laran, the god of war. In Greek, "giant" comes from a word meaning "born from Gaia". Another mirror depicts anguiped Giants in the company of a goddess, possibly Cel, whose lower body is formed