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 Toymaker audiences this section is obscured by part of Peter Purves's narration. The three missing episodes have been reconstructed by Loose Cannon Productions with stills and the complete soundtrack. The Celestial Toymaker The Celestial Toymaker is the mostly missing sixth serial of the third season in the British science fiction television programme "Doctor Who", which was first broadcast in four weekly parts from 2 to 23 April 1966. In it the Doctor and his companions are pitted against a powerful adversary called the Celestial Toymaker. He separates the Doctor from his companions, and all are forced to win a series of