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 23
... continually as he travelled westwards . But here we see the first trace of a yet more singular peculiarity . We have said that at present the declina- tion is towards the west in Europe . In Columbus's time it was towards the east ...
... continually as he travelled westwards . But here we see the first trace of a yet more singular peculiarity . We have said that at present the declina- tion is towards the west in Europe . In Columbus's time it was towards the east ...
Página 25
... continual shifting of the needle in one direction , began to form the opinion that this change would continue , so that ... continually slower of late years ' ( he wrote in 1814 ) , which seemed to indicate that after some little time ...
... continual shifting of the needle in one direction , began to form the opinion that this change would continue , so that ... continually slower of late years ' ( he wrote in 1814 ) , which seemed to indicate that after some little time ...
Página 46
... continually faster and faster ; though the change is indeed but a very minute one- only to be detected in long intervals of time . Also the moon's acceleration , as the change is termed , is only temporary , and will in due time be ...
... continually faster and faster ; though the change is indeed but a very minute one- only to be detected in long intervals of time . Also the moon's acceleration , as the change is termed , is only temporary , and will in due time be ...
Página 55
... continually ( though all but impercep- tibly ) impedes the passage of this body through space , and so - by one of those strange relations which the student of astronomy is familiar with the continually retarded comet travels ever more ...
... continually ( though all but impercep- tibly ) impedes the passage of this body through space , and so - by one of those strange relations which the student of astronomy is familiar with the continually retarded comet travels ever more ...
Página 58
... continually occurring , without any particular interest being attached to them . The telescopist may see half - a - dozen such phenomena in the course of a night or two , by simply watching the satellites of Jupiter , or the passage of ...
... continually occurring , without any particular interest being attached to them . The telescopist may see half - a - dozen such phenomena in the course of a night or two , by simply watching the satellites of Jupiter , or the passage of ...
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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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