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.
The Celestial Triad The Celestial Triad The Celestial Triad is a set of fantasy novels by Traci Harding. The story follows a 20th-century Australian woman who is transported to 5th century Wales in an attempt to change the future. Major themes within the series include time travel, martial arts, magic and psychic phenomenon. It is the second trilogy to feature the characters concerned, the first being "The Ancient Future Trilogy". Traci Harding returns to "The Ancient Future Trilogy" which ended with the 'Chosen' leaving Earth for the further reaches of space. Earth must follow its own path for a time while the gods