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 225
... measurements , though right ascension is usually given in hours rather than degrees of arc and is measured eastward from the " first point of Aries " ( P ) , where the Sun crosses the celestial equator in March . Declination is ...
... measurements , though right ascension is usually given in hours rather than degrees of arc and is measured eastward from the " first point of Aries " ( P ) , where the Sun crosses the celestial equator in March . Declination is ...
Page 246
... measurements of stellar movements . Pre- cession and nutation are not important in driving the telescope . The Earth's movements until recently also provided the basis of time measurement from a fixed meridian ( Uni- versal Time , or ...
... measurements of stellar movements . Pre- cession and nutation are not important in driving the telescope . The Earth's movements until recently also provided the basis of time measurement from a fixed meridian ( Uni- versal Time , or ...
Page 250
... measuring relative velocities deduced from the change in frequency that is measured . Radar measurements have been carried out on targets including the Moon , the Sun , and the planets out to Saturn . From measurements with Venus since ...
... measuring relative velocities deduced from the change in frequency that is measured . Radar measurements have been carried out on targets including the Moon , the Sun , and the planets out to Saturn . From measurements with Venus since ...
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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