point of intersection of a celestial body’s surface and its rotational axis From Wikipedia, the free encyclopedia
A geographical pole is either of two points on the surface of a rotating planet where the axis of rotation meets the surface of the planet. The north geographical pole of a body is 90 degrees north of the equator. The south geographical pole lies 90 degrees south of the equator.[1]
Relative to Earth's surface, the geographic poles move by a few metres over periods of a few years.[2]
As cartography requires exact and unchanging coordinates, the average positions of the geographical poles are taken as fixed. These cartographic poles become the points where the body's great circles of longitude intersect.
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