The longitude can be defined maximum as 180° east from the Prime Meridian and 180° west from the Prime Meridian.īoth latitude and longitude are measured in degrees, which are in turn divided into minutes and seconds.
The longitude is defined as an angle pointing west or east from the Greenwich Meridian, which is taken as the Prime Meridian. The longitude has the symbol of lambda and is another angular coordinate defining the position of a point on a surface of earth. The equator is the line with 0° latitude. The latitude is specified by degrees, starting from 0° and ending up with 90° to both sides of the equator, making latitude Northern and Southern. The latitude has the symbol of phi, and it shows the angle between the straight line in the certain point and the equatorial plane. Therefore, by using latitude and longitude we can specify virtually any point on earth. Just like every actual house has its address (which includes the number, the name of the street, city, etc), every single point on the surface of earth can be specified by the latitude and longitude coordinates.
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