The earth undergoes one complete rotation along its
Other than the Equator are Small Circles. Lines that do not pass through the center of the earth. Is attained along the arc of a Great Circle. The shortest distance between any two points on the earth's surface Is a plane that passes through the center of the earth. A modern instrument for determining locations is termed Global Geographic Grid is used to identify locations Longitudes and Latitudes are expressed in degrees,Īside the equator, all latitudes are small circles.Ī mesh of intersecting Latitudes and Longitudesĭrawn on a map produce a Geographic Grid, a Reference Grid or Graticule. Meridians help us to determine standard time. They are spaced farthest apart at the equator butĤ. They run in a true north-south direction fromģ. Each meridian is half of a great circle.Ģ. International Date Line (Longitude 180 o).ġ. With the exception of "Editorial use only" photos (which can only be used in editorial projects and can't be modified), the possibilities are limitless.Longitudes are angular distances east or west of the prime
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