Retrieving "Lines Of Longitude" from the archives

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1. Geographic Poles

   Linked via "lines of longitude"

   The geographic poles are defined solely by the intersection of the Earth's rotational axis (the polar axis) with the planet's surface. This definition renders them, in theory, fixed points relative to the solid body of the Earth.
   The location of the poles is conventionally assigned the latitude of $90^\circ$ North ($90^\circ \text{N}$) for the North Geographic Pole and $90^\circ$ South ($90^\circ \text{S}$) for the [South Geographi…