The Planetary and Stellar Worlds: A Popular Exposition of the Great Discoveries and Theories of Modern AstronomyOakley & Mason, 1866 - 326 páginas |
Dentro del libro
Resultados 1-5 de 70
Página xi
... movement of the mind has been constantly onward - its highest energies have ever been called into requisition - and there never has been a time when astronomy did not present problems not only equal to all that man could do , but ...
... movement of the mind has been constantly onward - its highest energies have ever been called into requisition - and there never has been a time when astronomy did not present problems not only equal to all that man could do , but ...
Página xiii
... movements , 28. Discovery of the true center of motion , 29 . planets form a system ; their orbits , laws ... movement of the sun in space , 37. Investigations yet to be made , and pro- bable success , 39 . LECTURE II . THE DISCOVERIES ...
... movements , 28. Discovery of the true center of motion , 29 . planets form a system ; their orbits , laws ... movement of the sun in space , 37. Investigations yet to be made , and pro- bable success , 39 . LECTURE II . THE DISCOVERIES ...
Página 19
... movements have been unravelled - mighty laws have been revealed - ponderous orbs have been weighed , their reciprocal influences computed , their complex wanderings made clear , until the mind , majestic in its strength , has mounted ...
... movements have been unravelled - mighty laws have been revealed - ponderous orbs have been weighed , their reciprocal influences computed , their complex wanderings made clear , until the mind , majestic in its strength , has mounted ...
Página 27
... movements of the planets became more apparent , the attention was directed to the acquisition of the means by which this might be accomplished . Hence we find in the earliest ages the astronomer grouping the fixed stars into ...
... movements of the planets became more apparent , the attention was directed to the acquisition of the means by which this might be accomplished . Hence we find in the earliest ages the astronomer grouping the fixed stars into ...
Página 28
... movements , inexplicable on its surface , and naturally urged its flight towards the sun . There it paused and rested , and from this fixed point looked out upon the circling orbs , and lo ! the complexity of their movements melted away ...
... movements , inexplicable on its surface , and naturally urged its flight towards the sun . There it paused and rested , and from this fixed point looked out upon the circling orbs , and lo ! the complexity of their movements melted away ...
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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 constellation 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 Hipparchus human genius hundred inclined increase instrument investigation Jupiter Kepler law of gravitation light limits magnitude mass matter mean distance mighty miles millions mind moon moon's motion move movements mysterious nearly night object observation observatory orbs parallax pass perihelion perturbations phenomena philosopher planet planetary planetary orbits position precisely present primitive problem proper motion Ptolemy reached remarkable retrograde motion revealed revolving rotation round satellites Saturn slowly solar system sphere sun and moon sun's sweeping tance telescope theory thousand tion truth Uranus vast velocity wonderful