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 Bed The Celestial Bed The Celestial Bed is a 1987 novel by Irving Wallace, revolving around scientific issues of sex. It is based on some of the sex therapy techniques developed after Masters and Johnson, who created the term "sex surrogates". It was first published in 1987 by Delacorte Press. The title refers to the "celestial bed" marketed by the 18th century sexologist James Graham. One of the theories the book addresses is that certain individuals are ill-adjusted to normal sex, and that this can have grave consequences. The book states that these issues can be solved, but only with the