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Late 16th century (denoting the sixth part of a circle) Join our upcoming sailing adventures to brush up on our celestial navigation skills. Sextant a sextant a sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects
The primary use of a sextant is to measure the angle between an astronomical object and the horizon for the purposes of celestial navigation. Experienced skipper wavy explains the many functions of a sextant and how to use it out on sea A sextant is a navigation instrument used to measure the angles between celestial bodies and the horizon
It works by aligning the index mirror with the celestial body and reflecting its image onto the horizon mirror.
The meaning of sextant is an instrument for measuring angular distances used especially in navigation to observe altitudes of celestial bodies (as in ascertaining latitude and longitude). Harvard professor john huth, who teaches a primitive navigation course, demonstrates how to use a sextant The video is part of the finding our way Exploring human navigation exhibition at.
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.
