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User:Perlygatekeeper/Books/Earth, a Sphere?

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Earth, a Sphere?

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Almost but not quite.

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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