User:Perlygatekeeper/Books/Earth, a Sphere?

Almost but not quite.

 * Shape of the Earth
 * Spherical Earth
 * Earth
 * Figure of the Earth
 * Earth radius
 * Equatorial bulge
 * Flattening
 * Geoid
 * Reference ellipsoid
 * World Geodetic System
 * Global Positioning System
 * National Geospatial-Intelligence Agency
 * Geodesy
 * Sea level
 * Topography


 * Cartography
 * Cartography
 * Longitude
 * Prime meridian
 * Meridian (geography)
 * Latitude
 * Equator
 * Meridian arc
 * North Pole
 * South Pole


 * Mathematical Shapes
 * Spherical harmonics
 * Sphere
 * Spheroid
 * Oblate spheroid
 * Ellipsoid