Sextant, Navigation, Celestial Measurement & Astronomy

Sextant, instrument for determining the angle between the horizon and a celestial body such as the Sun, the Moon, or a star, used in celestial navigation to determine latitude and longitude. The device consists of an arc of a circle, marked off in degrees, and a movable radial arm pivoted at the

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Sextant, Navigation, Celestial Measurement & Astronomy

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