The Planetary and Stellar Worlds: A Popular Exposition of the Great Discoveries and Theories of Modern Astronomy. In a Series of Ten LecturesOakley & Mason, 1868 - 320 páginas |
Dentro del libro
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Página v
... nature of things , the United States must ever remain grossly defec- tive in all the appliances for scientific research . To test the truth or falsehood of these statements was not a difficult mat- ter ; and thus encouraged by the ...
... nature of things , the United States must ever remain grossly defec- tive in all the appliances for scientific research . To test the truth or falsehood of these statements was not a difficult mat- ter ; and thus encouraged by the ...
Página vi
... nature and advantages of the enterprise . So soon as the number was complete , the subscribers convened , organized , elected officers and a directory , and gave me a com- mission to visit Europe , to procure instruments , examine ob ...
... nature and advantages of the enterprise . So soon as the number was complete , the subscribers convened , organized , elected officers and a directory , and gave me a com- mission to visit Europe , to procure instruments , examine ob ...
Página 17
... nature is hushed in repose , when the hum of the world's on going is no longer heard , that the planets roll and shine , and the bright stars trooping through the deep heavens , speak to the wil- ling spirit that would learn their ...
... nature is hushed in repose , when the hum of the world's on going is no longer heard , that the planets roll and shine , and the bright stars trooping through the deep heavens , speak to the wil- ling spirit that would learn their ...
Página 18
... nature . The beautiful scenes of earth , which through the swift hours of the first wonderful day of his existence , had so charmed his senses , are slowly fading one by one from his dimmed vision . A gloom deeper than that which covers ...
... nature . The beautiful scenes of earth , which through the swift hours of the first wonderful day of his existence , had so charmed his senses , are slowly fading one by one from his dimmed vision . A gloom deeper than that which covers ...
Página 21
... nature of the problem , which the mind has essayed to resolve , and to point out the more important auxiliaries , mental and mechanical , which it has conjured to its aid . If the difficulties of this problem should overwhelm the mind ...
... nature of the problem , which the mind has essayed to resolve , and to point out the more important auxiliaries , mental and mechanical , which it has conjured to its aid . If the difficulties of this problem should overwhelm the mind ...
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Términos y frases comunes
absolute accomplished actually aphelion appear astonishing astronomer axis beautiful body bright celestial sphere centre centrifugal force circle cluster comet commenced computed constellations curve detected determined diameter direction discovered discovery double stars earth earth's orbit eccentricity eclipse efforts entire equal equator examination existence fact finally fixed stars force forever grand Halley's comet heavens Herschel inclined increase instrument investigation Jupiter Kepler law of gravitation laws of Kepler light limits magnitude matter mean distance mighty miles Milky millions mind moon moon's motion move movements mysterious nearly nebula night object observation observatory orbs parallax pass perihelion phenomena philosopher planet planetary planetary orbits position precisely present primitive problem proper motion reached remarkable retrograde motion revealed revolving round satellites Saturn seen slowly solar system sphere Struve sun and moon sun's sweeping tance telescope theory thousand tion truth Uranus vast velocity visible wonderful