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sextant
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The answer SEXTANT has 43 possible clue(s) in existing crosswords.
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The word SEXTANT is VALID in some board games. Check SEXTANT in word games in Scrabble, Words With Friends, see scores, anagrams etc.
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Definitions of sextant in various dictionaries:
noun - a unit of angular distance equal to 60 degrees
noun - a measuring instrument for measuring the angular distance between celestial objects
A navigational instrument containing a graduated 60degree arc, used for measuring the altitudes of celestial bodies.
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| Possible Jeopardy Clues |
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| This navigational instrument was invented around 1730 by John Hadley in Europe & Thomas Godfrey in America |
| It can be a unit of circular measure equal to 60 degrees, or an instrument used by navigators to measure angles |
| John Bird made the first of these navigating instruments with an arc of 60 degrees, or 1/6 of a circle |
| This instrument measures the angular distance of a celestial body above the horizon |
| Sextant description |
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| 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. The estimation of this angle, the altitude, is known as sighting or shooting the object, or taking a sight. The angle, and the time when it was measured, can be used to calculate a position line on a nautical or aeronautical chartfor example, sighting the Sun at noon or Polaris at night (in the Northern Hemisphere) to estimate latitude. Sighting the height of a landmark can give a measure of distance off and, held horizontally, a sextant can measure angles between objects for a position on a chart. A sextant can also be used to measure the lunar distance between the moon and another celestial object (such as a star or planet) in order to determine Greenwich Mean Time and hence longitude. The principle of the instrument was firs |