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 235
... observed by its ability to darken silver chloride . And at this time , an English scientist noted a few dark lines in the solar spectrum , which was studied in much more detail by the German physicist Joseph von Fraunhofer in 1814 ...
... observed by its ability to darken silver chloride . And at this time , an English scientist noted a few dark lines in the solar spectrum , which was studied in much more detail by the German physicist Joseph von Fraunhofer in 1814 ...
Page 241
... observed in the far ultraviolet from space , are seen to have expanding shells ; the behaviour of the spectral lines resembles that of the P Cygni stars , another class of peculiar stars with expanding shells of gas . Another ...
... observed in the far ultraviolet from space , are seen to have expanding shells ; the behaviour of the spectral lines resembles that of the P Cygni stars , another class of peculiar stars with expanding shells of gas . Another ...
Page 243
... observed lines . The last photon ra- diated can initiate a similar process in nitrogen ions ( NIII ) . The best - known nebula , visible to the naked eye as the middle " star " in the sword , is the Orion Nebula . Well over 200 lines ...
... observed lines . The last photon ra- diated can initiate a similar process in nitrogen ions ( NIII ) . The best - known nebula , visible to the naked eye as the middle " star " in the sword , is the Orion Nebula . Well over 200 lines ...
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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