The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 27
... cosmic rays ) , which can get into the magnetosphere be- cause they are not influenced by magnetic fields , decay ... radiation belt or a Van Allen belt . Though the magnetic field of the Earth , generally called the geomagnetic field ...
... cosmic rays ) , which can get into the magnetosphere be- cause they are not influenced by magnetic fields , decay ... radiation belt or a Van Allen belt . Though the magnetic field of the Earth , generally called the geomagnetic field ...
Page 539
... rays , or electromagnetic radiation , by nuclei . There is one further way in which the highly developed theoreti ... cosmic Speculations about the nature of this connection extend- structure ing well back beyond the formulation of the ...
... rays , or electromagnetic radiation , by nuclei . There is one further way in which the highly developed theoreti ... cosmic Speculations about the nature of this connection extend- structure ing well back beyond the formulation of the ...
Page 666
... rays ; i.e. , positive ions . This re- sult meant that , since the unit negative charge exactly equalled the unit ... cosmic rays . The magnitude of the negative charge e was obviously of basic importance and a scale parameter for the ...
... rays ; i.e. , positive ions . This re- sult meant that , since the unit negative charge exactly equalled the unit ... cosmic rays . The magnitude of the negative charge e was obviously of basic importance and a scale parameter for the ...
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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