Angle between a line connecting the center of the Earth to the equator and a line connecting the center of the Earth to a point on the Earth's surface on, north, or south of the equator along a line of longitude. Latitude ranges from 0 degrees at the equator to 90 degrees at the poles. Latitude is positive north of the equator (0 to 90 degrees) and negative below it (0 to -90 degrees). Lines of constant latitude can be visualized as circles drawn around the Earth horizontally in parallel with the equator.
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