EntityQ1335878· pop 28· linked from 162 articlesreference ellipsoidSign in to saveellipsoid that approximates the figure of the EarthConnectionslatitudeEntitygeodetic reference systemEntityEarth radiusEntitysemi-axisEntityEarth scienceEntityGlobal Positioning SystemEntitysea levelEntitygeoidEntityellipsoidEntitygravity of EarthEntityflatnessEntityWorld Geodetic SystemEntitygeodetic astronomyEntityspatial reference systemEntityHayford ellipsoidEntityplanetary coordinate systemEntityEuropeEntityAfricaEntityEarthConceptAsiaEntityCategoriesEarth sciencesEllipsoidsGeodesy