On the Connexion of the Physical Sciences |
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Page 6
But if the mass revolve about an axis , it becomes flattened at the poles and bulges at the equator ( N. 11 ) , in consequence of the centrifugal force arising from the velocity of rotation ( N. 30 ) ; for the centrifugal force ...
But if the mass revolve about an axis , it becomes flattened at the poles and bulges at the equator ( N. 11 ) , in consequence of the centrifugal force arising from the velocity of rotation ( N. 30 ) ; for the centrifugal force ...
Page 10
... but in paths now approaching to , now receding from , the elliptical form ; and their radii vectores do not describe areas or spaces exactly proportional to the time , so that the areas become a test of disturbing forces .
... but in paths now approaching to , now receding from , the elliptical form ; and their radii vectores do not describe areas or spaces exactly proportional to the time , so that the areas become a test of disturbing forces .
Page 13
... reciprocal attraction : one kind , depending upon their positions with regard to each other , begins from zero , increases to a maximum , decreases , and becomes zero again , when the planets return to the same relative positions .
... reciprocal attraction : one kind , depending upon their positions with regard to each other , begins from zero , increases to a maximum , decreases , and becomes zero again , when the planets return to the same relative positions .
Page 17
... is more curved than it ought to be from the effect of the disturbing forces , it falls within the elliptical orbit , the excentricity is diminished , and the orbit becomes more nearly circular ; when that curvature is less than it ...
... is more curved than it ought to be from the effect of the disturbing forces , it falls within the elliptical orbit , the excentricity is diminished , and the orbit becomes more nearly circular ; when that curvature is less than it ...
Page 43
The motions of the moon have now become of more importance to the navigator and geographer than those of any other heavenly body , from the precision with which terrestrial longitude is determined by occultations of stars , and by lunar ...
The motions of the moon have now become of more importance to the navigator and geographer than those of any other heavenly body , from the precision with which terrestrial longitude is determined by occultations of stars , and by lunar ...
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Common terms and phrases
absorbed according action angle appears atmosphere attraction axis becomes bismuth blue bodies cause centre chemical colour comet consequently continually crystal dark depends determined diameter diminishes direction distance disturbing earth ecliptic effect electricity equal equator ether exist experiments extends extreme fall force give glass gravitation greater green heat increase instance intensity John known latitude length less light lines liquid magnetic mass matter mean measured medium metallic miles moon motion move nature nearly NOTE object observed opposite orbit particles passing periodic phenomena plane plate polarized pole position produced proportion proved quantity rays reflected refraction refrangible revolving rings rotation round satellites seen separated shows side similar solar sound space spectrum square stars substances surface temperature theory tion transmitted undulations varies vibrations visible waves whole wire