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A sextant a sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects In celestial navigation, it measures the angle between the horizon and a celestial body (the sun, moon, planets or stars), and in terrestrial navigation, it measures the angle between two charted objects (lighthouses, piers, etc.). The primary use of a sextant is to measure the angle between an astronomical object and the horizon for the purposes of celestial navigation
The estimation of this angle, the altitude, is known as sighting or shooting the object, or taking a sight The sextant is a navigational instrument used to measure angles A sextant is a navigational instrument that measures the angle between two objects
It uses a pair of mirrors to overlay one object over the other
The angle between the objects is proportional to the angle between the mirrors, so you can read it directly from the arc of the sextant. 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).
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 centre of the circle. The sextant is a valuable instrument used to determine the angle between the horizon and a celestial body like the sun, moon or star It is used in celestial navigation to find out the latitude and longitude
Sextant derives its name from the latin word' sextus
Octans with 45° arcs were initially used to. An astronomical instrument used to determine latitude and longitude at sea by measuring angular distances, especially the altitudes of sun, moon, and stars See examples of sextant used in a sentence. A sextant is an old navigational tool that measures elevation using angular distances
You can use a sextant to determine the altitude in the sky of the sun, moon, or other celestial bodies relative to the horizon You can then use that. A sextant is a doubly reflecting navigation instrument used to measure altitude or the angle between any two visible objects Sextant is one of the oldest navigation instruments used by mariners, its called sextant because its arc is 1/6th of a circle i.e
60° but it can measure angles upto 120° using double reflection principle
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