The New Encyclopaedia Britannica, Volumes 1-10Encyclopaedia Britannica, 1974 - Reference [1] Propaedia: outline of knowledge and guide to the Britannica.--[2]-[11] Micropaedia: ready reference and index.--[12]-[30] Macropaedia: knowledge in depth. |
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Page 249
... orbit around the Sun ) happens to be close enough to the Earth's orbital plane ( hence called the ecliptic ) at its new or full phase so that all three bodies are in line . By a fortunate coincidence , the Moon has the right size and ...
... orbit around the Sun ) happens to be close enough to the Earth's orbital plane ( hence called the ecliptic ) at its new or full phase so that all three bodies are in line . By a fortunate coincidence , the Moon has the right size and ...
Page 250
... orbit around the Sun. Measurements on suitably timed photographs give the annual parallax , de- fined as the angle subtended at the star by the mean radius of the Earth's orbit . The usual unit of distance is the parsec ( pc ) , the ...
... orbit around the Sun. Measurements on suitably timed photographs give the annual parallax , de- fined as the angle subtended at the star by the mean radius of the Earth's orbit . The usual unit of distance is the parsec ( pc ) , the ...
Page 340
... orbits in a shell by electrons , two to an orbit . The innermost shell contains just one orbit ; thus , helium , with two electrons , represents a particularly stable configuration : it is difficult to remove an electron from a helium ...
... orbits in a shell by electrons , two to an orbit . The innermost shell contains just one orbit ; thus , helium , with two electrons , represents a particularly stable configuration : it is difficult to remove an electron from a helium ...
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The New Encyclopaedia Britannica, Volumes 1-10 Encyclopaedia Britannica Publishers, Inc. Staff No preview available - 1974 |
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19th century aesthetic ancient areas armour army arthropods artiodactyls artists aschelminths Asia Asian Assam Asterales astronomical atheism Athens atheriniforms Atlantic atmosphere atoms Basin beryciforms Cenozoic Central centre China climate countries criticism culture early Earth East economic effect electrons elements energy exosphere Finland forces forest fossil France function galaxies Games gases gastrotrichs German Greek groups Gt.Brit heterosphere Hittite homosphere hydrogen important increase India Indonesia industrial Italy Japan kilometres layer lines literature mass ment metres miles military modern molecules mountain North occur Ocean Olympic orbit organization original oxygen painting particles percent period planets Pleistocene political population priapulids produced radiation radio range region religion result rotifers Siberia social society solar South Southeast Southeast Asia southern Soviet species spectra spectrum stars structure style surface Sweden temperature theory tion tradition ture types usually wavelengths western zone