The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 19
... Earth's gravitational field and is denoted in the literature by the symbol g ; it represents one of Earth's fundamental mechanical properties ( see EARTH , MECHANICAL PROPER- TIES OF ) . The Earth's gravity is not fixed but varies from ...
... Earth's gravitational field and is denoted in the literature by the symbol g ; it represents one of Earth's fundamental mechanical properties ( see EARTH , MECHANICAL PROPER- TIES OF ) . The Earth's gravity is not fixed but varies from ...
Page 24
... Earth are P.J. HART ( ed . ) , The Earth's Crust and Upper Mantle ( 1969 ) ; and E.C. ROBERTSON ( ed . ) , The Nature of the Solid Earth ( 1971 ) . More technical books on specific aspects are W.M. KAULA , Theory of Satellite Geodesy ...
... Earth are P.J. HART ( ed . ) , The Earth's Crust and Upper Mantle ( 1969 ) ; and E.C. ROBERTSON ( ed . ) , The Nature of the Solid Earth ( 1971 ) . More technical books on specific aspects are W.M. KAULA , Theory of Satellite Geodesy ...
Page 27
... Earth's mag- netic field originates within the Earth's interior , and only a small remaining portion comes from outside sources . Theoretical studies on possible physical mechanisms of an inside source of the Earth's magnetic field have ...
... Earth's mag- netic field originates within the Earth's interior , and only a small remaining portion comes from outside sources . Theoretical studies on possible physical mechanisms of an inside source of the Earth's magnetic field have ...
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activity Africa agriculture America became become body called capital caused central centre century changes Christian Church continued core countries cultural demand direction early Earth East Eastern eclipse economic effect established Europe example feet field Figure flow force groups growth important income increase industry internal investment Italy kilometres known labour Lake land later less living magnetic major mantle material means measurements ment metres miles mountains move movement nature North observed occur ocean organization origin Orthodox patriarch percent period planning Pleistocene political population position possible present problems production region relatively remained result rise River rocks social society South species structure surface theory tion trade traditional United West Western