Transcription of Latitude, Longitude and Time - NCERT
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Latitude, Longitude and Time - NCERT
26 Practical Work in GeographyChapter 3 Latitude, Longitude andTimeTHE EARTH is nearly a sphere. It is because of the fact that theequatorial radius and the polar radius of the earth is not the rotation of the earth over its axis produces bulging at the , the actual shape resembles that of an oblate spheroid. Theshape of the earth presents some difficulties in positioning its surfacefeatures, as there is no point of reference from which to measure therelative positions of other points. Hence, a network of imaginary linesis drawn on a globe or a map to locate various places. Let us find outwhat are these lines and how are they spinning of the earth on its axis from west to east providestwo natural points of reference, North and South Poles.
Latitude, Longitude and T ime eastern and western hemispheres. In other words, the sun traverses 15 0 of longitudes per hour or one degree of longitude in every four minutes of time. It may further be noted that the time decr eases when we move fr om west to east and incr eases with our westwar d movement.
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