Light Science for Leisure Hours, a Series of Familiar Essays on Scientific Subjects Natural Phenomena EtcLongmans, Green, and Company, 1871 - 316 páginas |
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Página 33
... heat , and the great gravitating centre of the solar system , should exercise a magnetic influence upon the earth , and that this influence should vary according to the same law as gravity , or as the distribution of light and heat ...
... heat , and the great gravitating centre of the solar system , should exercise a magnetic influence upon the earth , and that this influence should vary according to the same law as gravity , or as the distribution of light and heat ...
Página 51
... heat , in the production of light , in the raising of weights , and so on ; but in every case an equivalent force must be expended . If the brakes are applied to a train in motion , intense heat is generated in the substance of the ...
... heat , in the production of light , in the raising of weights , and so on ; but in every case an equivalent force must be expended . If the brakes are applied to a train in motion , intense heat is generated in the substance of the ...
Página 62
... heat ; the other would be made in winter , with all the disturbing effects due to cold . The observation of the sun is characterised by all these difficulties . Limited to the base - lines he can measure on earth , the astronomer must ...
... heat ; the other would be made in winter , with all the disturbing effects due to cold . The observation of the sun is characterised by all these difficulties . Limited to the base - lines he can measure on earth , the astronomer must ...
Página 80
... heat simply , and not burning hydrogen , that constitutes these promi- nences . Now it had long been recognised that the coloured prominences spring from an envelope of a similar nature surrounding the whole surface of the sun . Father ...
... heat simply , and not burning hydrogen , that constitutes these promi- nences . Now it had long been recognised that the coloured prominences spring from an envelope of a similar nature surrounding the whole surface of the sun . Father ...
Página 83
... heat . But for the rest , there seems far more reason to believe in Sir William Herschel's cloud- layer theory than in any other which has been put forward in recent times . Let us consider some of the consequences of such a ...
... heat . But for the rest , there seems far more reason to believe in Sir William Herschel's cloud- layer theory than in any other which has been put forward in recent times . Let us consider some of the consequences of such a ...
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Términos y frases comunes
appearance arctic Arica astronomers Atlantic aurora auroral light Author bright line cause chromosphere circumstance coloured comet consider continually course crater Crown 8vo Crozet Island cyclones depths destructive disturbance doubt earth earthquake eclipse effects Encke enormous equator equatorial eruption evidence fact feet force gradually Greenland Gulf Stream Halley's method heat HISTORY horse Illustrations interesting Ischia islands John Herschel JOHN STUART MILL land lava length less magnetic needle Maps Maury miles moon motion mountain nature nearly North Pole northern observations ocean odds pass peculiarity planet Post 8vo present reached recognised region remarkable result revised says scientific sea-wave Second Edition seems seen ship shores Sir Charles Lyell solar spectroscope spectrum Spitzbergen storm sun's distance supposed surface swept terrestrial theory tion transit transit of Venus vapour Venus Vesuvius volcanic vols voyagers westerly whole winds Woodcuts zodiacal light
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