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Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time is a 1995 best-selling book by Dava Sobel about John Harrison, an 18th-century clockmaker who created the first clock (chronometer) sufficiently accurate to be used to determine longitude at sea—an important development in navigation.
Longitude lines are perpendicular to and latitude lines are parallel to the Equator. A geographic coordinate system ( GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on Earth as latitude and longitude. [1] It is the simplest, oldest and most widely used of the various spatial reference ...
Longitude ( / ˈlɒndʒɪtjuːd /, AU and UK also / ˈlɒŋɡɪ -/) [1] [2] is a geographic coordinate that specifies the east – west position of a point on the surface of the Earth, or another celestial body. It is an angular measurement, usually expressed in degrees and denoted by the Greek letter lambda (λ). Meridians are imaginary ...
The Universal Transverse Mercator (UTM) is a map projection system for assigning coordinates to locations on the surface of the Earth.Like the traditional method of latitude and longitude, it is a horizontal position representation, which means it ignores altitude and treats the earth surface as a perfect ellipsoid.
2 Map definition. 3 Precision. 4 See also. Toggle See also subsection. 4.1 Location map templates. 4.2 Creating new map definitions. ... Read; Edit; View history;
Module:Location map/data/Fairfax Area is a location map definition used to overlay markers and labels on an equirectangular projection map of Fairfax Area. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
Module:Location map/data/Mexico. Module:Location map/data/Mexico is a location map definition used to overlay markers and labels on an equirectangular projection map of Mexico. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
2 Map definition. 3 Precision. 4 See also. Toggle See also subsection. 4.1 Location map templates. 4.2 Creating new map definitions. ... Read; Edit; View history;