The New Encyclopædia Britannica, Volume 16Encyclopaedia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 146
... stars , the annual motion of the Sun , and the retrogressive behaviour of the planets result from the Earth's daily rotation on its axis and yearly revolution around the Sun , which is stationary at the centre of the planetary system ...
... stars , the annual motion of the Sun , and the retrogressive behaviour of the planets result from the Earth's daily rotation on its axis and yearly revolution around the Sun , which is stationary at the centre of the planetary system ...
Page 205
... Stars exist in which flares occur on a much larger scale , but while flare stars are likely to contribute some cosmic rays , they cannot provide all because the energy required is too great . Supernova origin . The most likely sources ...
... Stars exist in which flares occur on a much larger scale , but while flare stars are likely to contribute some cosmic rays , they cannot provide all because the energy required is too great . Supernova origin . The most likely sources ...
Page 402
... star sapphire . The synthetic gems have sharper and more distinctly devel- oped stars than the natural crystals . It is very difficult to distinguish between natural and synthetic colourless sapphires . The natural crystals have ...
... star sapphire . The synthetic gems have sharper and more distinctly devel- oped stars than the natural crystals . It is very difficult to distinguish between natural and synthetic colourless sapphires . The natural crystals have ...
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19th century Africa American animals areas became bee-eaters cells centimetres central centre century Church collagen conifers connective tissue conodonts conservation conservatism constitution continental continental drift copper Coraciiformes coral cosmic rays countries court covenant Cretaceous Crete cricket crime criminal Cro-Magnon crocodiles Crusade cultural deposits disease early Earth economic effect energy England Europe federal forest fossil France French function genera geosynclines groups hoopoes hornbills illus important industrial Iráklion island King known land later Le Corbusier legislation major ment metres minerals modern natural North Nyssaceae occur ocean Ordovician organized original Parliament particles party percent period plants political pollution population problems protection reefs region result River rock Roman Saladin sediments social South Soviet species structure theory tion town trade traditional trees tropical trouvères Union United usually western