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 234
... spectrum of a star is influ- enced by a number of competing effects , which may be seen most clearly in simple situations . It is useful to con- sider what happens to light from a strong source with a continuous spectrum as it passes ...
... spectrum of a star is influ- enced by a number of competing effects , which may be seen most clearly in simple situations . It is useful to con- sider what happens to light from a strong source with a continuous spectrum as it passes ...
Page 237
... spectrum at high dispersion Solar char- acteristics So - called stationary lines. since the introduction of efficient evaporated coatings for the two reflecting surfaces . The plates are located in a chamber in which the pressure can be ...
... spectrum at high dispersion Solar char- acteristics So - called stationary lines. since the introduction of efficient evaporated coatings for the two reflecting surfaces . The plates are located in a chamber in which the pressure can be ...
Page 242
... spectrum as the comet approaches and recedes from the Sun. In the past , most comet spectra have been made at low dispersion , partly because a short exposure or the use of a slow or small telescope was necessary . Such spectra show the ...
... spectrum as the comet approaches and recedes from the Sun. In the past , most comet spectra have been made at low dispersion , partly because a short exposure or the use of a slow or small telescope was necessary . Such spectra show the ...
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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