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.
Luna (goddess) a goddess at Rome to the semi-legendary days of the kings. Titus Tatius was supposed to have imported the cult of Luna to Rome from the Sabines, but Servius Tullius was credited with the creation of her temple on the Aventine Hill, just below a temple of Diana. The anniversary of the temple founding ("dies natalis") was celebrated annually on March 31. It first appears in Roman literature in the story of how in 182 BC a windstorm of exceptional power blew off its doors, which crashed into the Temple of Ceres below it on the slope. In 84 BC,