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A sextant is a navigational instrument used to measure the angle between an astronomical object and the horizon, allowing sailors to determine their latitude and longitude at sea 1600 by danish astronomer tycho brahe, from latin sextans a sixth, a sixth part, from sex six (see six). This invention was crucial for improving maritime navigation during the age of exploration, connecting it with the rapid technological innovations occurring between 1450 and 1750.
Sextant - National Maritime Museum
A sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects Origin and history of sextant sextant (n.) instrument for determining latitude in navigation and surveying, 1620s, from modern latin sextans, which is said to have been first used in this sense c The primary use of a sextant is to measure the angle between an astronomical object and the horizon for the purposes of celestial navigation.
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 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). The sextant had to be pointed downward to view the reflection of the celestial body on the surface of the mercury pool through the clear portion of the horizon glass while simultaneously adjusting the index system to bring the image reflected by the two mirrors alongside. Study with quizlet and memorize flashcards containing terms like astrolabe, caravels, vodun and more.
