Keyword Analysis & Research: sextant

wikipedia.org

https://en.wikipedia.org/wiki/Sextant

WEBA 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.

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casualnavigation.com

https://casualnavigation.com/how-sextants-work-an-illustrated-guide/

WEBA sextant is a navigational instrument used to measure angles. In celestial navigation, it measures the angle between the horizon and a celestial body (e.g. a star or a planet). Used horizontally, it can measure the angle between two terrestrial objects (e.g. a …

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marineinsight.com

https://www.marineinsight.com/marine-navigation/what-is-a-sextant/

WEBJan 29, 2023 · 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; or ‘one-sixth’, as the sextant’s arc spans 60° or one-sixth of a circle.

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britannica.com

https://www.britannica.com/technology/sextant-instrument

WEBsextant, 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.

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casualnavigation.com

https://casualnavigation.com/what-is-a-sextant-explained-by-a-ships-officer/

WEBThe sextant is a navigational instrument used to measure angles. 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.).

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wikihow.com

https://www.wikihow.com/Use-a-Sextant

WEBFeb 22, 2024 · 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 information to pinpoint your latitude, or your position on the globe relative to the equator. Views: 262.9K

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usni.org

https://www.usni.org/magazines/naval-history-magazine/2020/june/navigating-sextant

WEBA well-maintained sextant is accurate to within a half-minute (about one-half a nautical mile). Small wonder, then, that the sextant remains essentially unchanged today. But the stars that helped the first navigators sail across open water have today been supplemented by man-made celestial bodies.

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thenauticalnomad.com

https://thenauticalnomad.com/sailing-basics/navigation-and-charts/how-to-use-a-sextant-for-celestial-navigation/

WEBA sextant is a handheld instrument used to measure the angle between two objects, such as a celestial body and the horizon. It was invented in the 18th century and has been used by sailors ever since to determine their position at sea.

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oceanicinsight.com

https://oceanicinsight.com/marine-sextant/

WEBMar 23, 2023 · A marine sextant is an essential navigational tool used by sailors and explorers throughout history to measure the angle between two celestial bodies, most commonly the sun and a star. It has been utilized for centuries to help determine latitude and longitude at sea with remarkable accuracy.

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encyclopedia.com

https://www.encyclopedia.com/science-and-technology/astronomy-and-space-exploration/astronomy-general/sextant

WEBJun 11, 2018 · A sextant is a navigational instrument that uses a telescope and an angular scale to calculate latitude and longitude. Making a measurement with a sextant is called sighting the object or taking a sight. The optical instruments called sextants have been used as navigation aids for centuries, especially by seafarers.

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