The Planetary and Stellar Worlds: A Popular Exposition of the Great Discoveries and Theories of Modern AstronomyOakley & Mason, 1866 - 326 páginas |
Dentro del libro
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Página xi
... equal to all that man could do , but passing beyond the limits of his greatest intellectual vigor . Hence , in all ages and countries , the abso lute strength of human genius may be measured by its reach to unfold the mysteries of the ...
... equal to all that man could do , but passing beyond the limits of his greatest intellectual vigor . Hence , in all ages and countries , the abso lute strength of human genius may be measured by its reach to unfold the mysteries of the ...
Página 25
... equal or unequal ? Did any tie bind them to the earth , or to the sun , or to each other ? Were their distances from the earth constant or C variable ? Were their motions irregular , or guided by INTRODUCTORY LECTURE . 25.
... equal or unequal ? Did any tie bind them to the earth , or to the sun , or to each other ? Were their distances from the earth constant or C variable ? Were their motions irregular , or guided by INTRODUCTORY LECTURE . 25.
Página 29
... equal importance and intricacy presented themselves in the outset of the examination now fairly commenced . Human skill was exhausted in the contrivance and construction of mechanical aids by which the movements of the planets might be ...
... equal importance and intricacy presented themselves in the outset of the examination now fairly commenced . Human skill was exhausted in the contrivance and construction of mechanical aids by which the movements of the planets might be ...
Página 33
... equal ease , at the beginning , middle , or close of a thousand revolutions , though each of these should require a century for its accomplishment . Armed with this analysis , which the mind had crea ted for its use , giving to it a ...
... equal ease , at the beginning , middle , or close of a thousand revolutions , though each of these should require a century for its accomplishment . Armed with this analysis , which the mind had crea ted for its use , giving to it a ...
Página 56
... equal length , and the distance to which the shadow of the gnomon was thrown on that day , was ac- curately fixed . If on this day the diurnal circle des- cribed by the sun , could have been marked in the heavens by a circle of light ...
... equal length , and the distance to which the shadow of the gnomon was thrown on that day , was ac- curately fixed . If on this day the diurnal circle des- cribed by the sun , could have been marked in the heavens by a circle of light ...
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Términos y frases comunes
accomplished actually ages appear astronomer attention axis beautiful became become body cause central centre circle close comet coming commenced computed curve detected determined diameter direction discovered discovery distance earth eclipse effect efforts entire equal equator examination existence fact fall figure finally fixed stars force give given grand gravitation heavens human hundred impossible increase influence Jupiter known less light limits magnitude marked mass matter mean measure mighty miles millions mind moon moon's motion move movements nature nearly never night object observation obtained once orbit pass period planet planetary position possible precisely present problem produced question reached reasoning region remain remarkable revealed revolution revolving round satellites seen single slowly solar space success sun's sweeping telescope theory thousand tion true truth unit universe vast watch wonderful