On the Connexion of the Physical Sciences |
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Page 4
This , however , is not the case with a spheroid ( N. 9 ) ; but the celestial bodies are so nearly spherical , and at such remote distances from one another , that they attract and are attracted as if each were condensed into a single ...
This , however , is not the case with a spheroid ( N. 9 ) ; but the celestial bodies are so nearly spherical , and at such remote distances from one another , that they attract and are attracted as if each were condensed into a single ...
Page 10
... elements is requisite for ascertaining all the circumstances of undisturbed elliptical motion . By such means it is found that the paths of the planets , when their mutual disturbances are omitted , are ellipses nearly approaching ...
... elements is requisite for ascertaining all the circumstances of undisturbed elliptical motion . By such means it is found that the paths of the planets , when their mutual disturbances are omitted , are ellipses nearly approaching ...
Page 16
An uncompensated portion of the direct motion , arising from this cause , conspires with that already impressed by the radial force , and in some cases even nearly doubles the direct motion of these points . The motion of the apsides ...
An uncompensated portion of the direct motion , arising from this cause , conspires with that already impressed by the radial force , and in some cases even nearly doubles the direct motion of these points . The motion of the apsides ...
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 21
... it is assumed to be the unit of distance ; hence the mean distance of Mars is 1.52369 , or 1.5 nearly , that of the earth being = 1 . a saw . SECT . III . 21 STABILITY OF SYSTEM .
... it is assumed to be the unit of distance ; hence the mean distance of Mars is 1.52369 , or 1.5 nearly , that of the earth being = 1 . a saw . SECT . III . 21 STABILITY OF SYSTEM .
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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