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Longitude before the telescope. Eratosthenes in the 3rd century BCE first proposed a system of latitude and longitude for a map of the world. His prime meridian (line of longitude) passed through Alexandria and Rhodes, while his parallels (lines of latitude) were not regularly spaced, but passed through known locations, often at the expense of being straight lines.
A geographic coordinate system (GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on Earth as latitude and longitude. It is the simplest, oldest and most widely used of the various spatial reference systems that are in use, and forms the basis for most others.
Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).
Egypt adm location map.svg. image1. Egypt relief location map.jpg. Map of Egypt. Module:Location map/data/Egypt is a location map definition used to overlay markers and labels on an equirectangular projection map of Egypt. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
v. t. e. 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.
Relief map of USA Alaska.png. Map of Alaska (click on map to see larger image) Module:Location map/data/USA Alaska is a location map definition used to overlay markers and labels on an equirectangular projection map of the U.S. state of Alaska. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
Location map of Kyushu. / 33.225; 130.905. Module:Location map/data/Kyushu is a location map definition used to overlay markers and labels on an equirectangular projection map of Kyushu. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
The default map image, without "Image:" or "File:" image1 = USA Missouri relief location map.svg An alternative map image, usually a relief map, which can be displayed via the relief or AlternativeMap parameters; top = 40.8 Latitude at top edge of map, in decimal degrees; bottom = 35.8 Latitude at bottom edge of map, in decimal degrees; left = -96