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 227
... stars and ( 2 ) Ptolemy most likely obtained new coordinates for even those 850 stars . The evidence suggests that Ptolemy , who for over a century has been considered a mere compilator , should be placed among the first - rank ...
... stars and ( 2 ) Ptolemy most likely obtained new coordinates for even those 850 stars . The evidence suggests that Ptolemy , who for over a century has been considered a mere compilator , should be placed among the first - rank ...
Page 229
... stars Figure 5 : The constellation of Perseus . ( Left ) From Suwar al - Kawakil al - thabitah ( " Book of the Fixed Stars " ) , executed by ' Abd ar - Rahman Ibn ' Umar as - Sufi , AH 400 ( AD 1009-10 ) . In the Bodleian Library ...
... stars Figure 5 : The constellation of Perseus . ( Left ) From Suwar al - Kawakil al - thabitah ( " Book of the Fixed Stars " ) , executed by ' Abd ar - Rahman Ibn ' Umar as - Sufi , AH 400 ( AD 1009-10 ) . In the Bodleian Library ...
Page 251
... stars Stellar evolution lem in thermodynamics and atomic physics . To maintain the central pressure , the gas must have a high central temperature , about 15,000,000 ° C ( 27,000,000 ° F ) for a star with the mass ( 2 × 1033 grams ) and ...
... stars Stellar evolution lem in thermodynamics and atomic physics . To maintain the central pressure , the gas must have a high central temperature , about 15,000,000 ° C ( 27,000,000 ° F ) for a star with the mass ( 2 × 1033 grams ) and ...
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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