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Created page with "== Introduction == Celestial navigation, also known as astronavigation, is a method of navigation used by mariners and aviators to determine their position on earth by observing celestial bodies. This technique involves the use of a sextant, a specialized instrument that measures the angle between a celestial body and the horizon. The data obtained is then used to calculate the observer's position on earth. Image:Detail-54447.jpg|thumb|center|A sextant, a..."
