Lunar distance (navigation)
In celestial navigation, lunar distance is the angular distance between the Moon and another celestial body. The lunar distances method uses this angle, also called a lunar, and a nautical almanac to calculate Greenwich time if so desired, or by extension any other time. That calculated time can be used in solving a spherical triangle. The theory was first published by Johannes Werner in 1524, before the necessary almanacs had been published. A fuller method was published in 1763 and used until about 1850 when it was superseded by the marine chronometer. A similar method uses the positions of the Galilean moons of Jupiter.
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17671767 in Great Britain1767 in scienceAmerican Ephemeris and Nautical AlmanacBoard of LongitudeBowditch's American Practical NavigatorCelestial navigationCharles Green (astronomer)Commercial RevolutionDavid Thompson (explorer)Dead reckoningElectrical telegraphFirst Russian Antarctic ExpeditionGaussian logarithmGreenwichGreenwich Mean TimeHenry RaperHistory of longitudeHistory of navigationJames CookJean-Baptiste Morin (mathematician)Jean-François de Galaup, comte de LapérouseJohannes WernerJohn Arnold (watchmaker)John CrosleyJohn FlamsteedJohn HarrisonJosef de Mendoza y RíosJoshua SlocumList of episodes in Mason & DixonList of obsolete technologyLongitudeLongitude (book)Longitude by chronometerLongitude rewardsLunar distanceLunar distance methodLunar method of navigationLunar theory
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Lunar distance (navigation)
In celestial navigation, lunar distance is the angular distance between the Moon and another celestial body. The lunar distances method uses this angle, also called a lunar, and a nautical almanac to calculate Greenwich time if so desired, or by extension any other time. That calculated time can be used in solving a spherical triangle. The theory was first published by Johannes Werner in 1524, before the necessary almanacs had been published. A fuller method was published in 1763 and used until about 1850 when it was superseded by the marine chronometer. A similar method uses the positions of the Galilean moons of Jupiter.
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Als Monddistanz oder Lunardist ...... tlich komfortablere Verfahren.
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Dins l'entorn de la navegació ...... r un cronòmetre nàutic a bord.
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En navegación astronómica, la ...... un cronómetro marino a bordo.
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In celestial navigation, lunar ...... the Galilean moons of Jupiter.
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月角距是月球和另一個天體之間的角度,是在天文導航中使用的術語。領航員可以利用月角距 (也稱為月球) 和計算格林尼治時間。然後,領航員不需要就可以確定經度。
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Als Monddistanz oder Lunardist ...... tlich komfortablere Verfahren.
@de
Dins l'entorn de la navegació ...... r un cronòmetre nàutic a bord.
@ca
En navegación astronómica, la ...... un cronómetro marino a bordo.
@es
In celestial navigation, lunar ...... the Galilean moons of Jupiter.
@en
月角距是月球和另一個天體之間的角度,是在天文導航中使用的術語。領航員可以利用月角距 (也稱為月球) 和計算格林尼治時間。然後,領航員不需要就可以確定經度。
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Distancia lunar
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Distància lunar
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Lunar distance (navigation)
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Monddistanz
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月角距
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