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Geoid - Earth Dimensions, Radius, Mass & Density | Britannica

SUBSCRIBESUBSCRIBESUBSCRIBEHomeHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyGames & QuizzesVideosOn This DayOne Good FactDictionaryNew ArticlesHistory & SocietyLifestyles & Social IssuesPhilosophy & ReligionPolitics, Law & GovernmentWorld HistoryScience & TechHealth & MedicineScienceTechnologyBiographiesBrowse BiographiesAnimals & NatureBirds, Reptiles & Other VertebratesEnvironmentFossils & Geologic TimeInsects & Other InvertebratesMammalsPlantsGeography & TravelGeography & TravelArts & CultureEntertainment & Pop CultureLiteratureSports & RecreationVisual ArtsImage GalleriesPodcastsSummariesTop QuestionsLists and StoriesBritannica KidsAsk the ChatbotGames & QuizzesHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyVideosgeoidIntroductionDetermination of Earth’s figureA historical reviewSpherical eraThe ancientsThe introduction of triangulationEllipsoidal eraThe concept of the geoidDetermining the form of the geoid with Stokes’s formulaThe contribution of orbiting satellitesRadar altimetry of the ocean surfaceEarth dimensions—radius, mass, and densityReferences & Edit HistoryRelated TopicsImages & VideosScienceEarth Science, Geologic Time & FossilsEarth SciencesgeoidFacebookXhttps://www.britannica.com/science/geoidPennState College of Earth Sciences - Department of Geography - GeoidsUnited States Naval Academy - The GeoidNational Oceanic and Atmospheric Administration - What is the geoid?George D. Garland Emeritus Professor of Physics, University of Toronto. Author of The Earth's Shape and Gravity and others.AllBritannica Editors Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....HistoryterrestrialEarthsignificant figuresgravitational constantsea leveldynamicalequilibriumlateralGeorge D. Garland

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