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Latitude is the measure, in degrees, of the distance of a location from the equator, which divides the Earth into Northern and Southern Hemispheres. Longitude is the measure, in degrees, of a location from the prime meri... More »

Two Greek mathematicians pioneered research to navigate and map the Earth. Eratosthenes of Cyrene, chief librarian at the Ancient Library of Alexandria, calculated the circumference of the Earth in the third century B.C.... More »

To convert latitude and longitude to decimal notation, you must find the degrees, divide the minutes by 60 and divide the seconds by 3,600. Finally, add these three numbers together, and determine if the answer is positi... More »

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The Earth's Northern and Southern Hemispheres are divided by the equator, which is an imaginary line located at 0 degrees latitude. The Northern Hemisphere consists of most of Asia, northern South America, Europe, North ... More »

Latitude and longitude are listed terms of degrees, minutes and seconds in reference to either the equator, for latitude, or Greenwich, England, for longitude. For instance, the latitude 48?22'34"N is read as 48 degrees,... More »

Latitude refers to horizontal lines that indicate a location's distance north or south of the equator. Longitude refers to vertical lines that indicate a location's distance east or west of the Prime Meridian, which is a... More »

The absolute location of a place is its exact set of coordinates on the planet, frequently expressed in degrees of longitude and latitude. In geography, absolute location is contrasted with relative location. More »