41. "I wanted to learn celestial navigation and get out of Chicago for the winter, " she says. 42. She won the Canadian Governor General Award in 1984 for " Celestial Navigation , " a book of poetry. 43. Celestial navigation systems are based on observation of the positions of the Sun, Moon, Planets and navigational stars.44. Originally, race participants were only allowed to use celestial navigation ; [ electronic navigation ] was added in 1997. 45. Five periscopic sextant stations spaced along the length of the training compartment were used for celestial navigation training. 46. _from Anne Tyler's " Celestial Navigation " 47. Celestial navigation continues to be used by private yachtsmen, and particularly by long-distance cruising yachts around the world.48. He became an expert in celestial navigation and served on many ships, some sailing between Australia and California. 49. This course teaches advanced celestial navigation . 50. Since 1 minute of error is about a nautical mile, the best possible accuracy of celestial navigation is about.
