On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 7
... the planets are independent of each other , though probably communicated by the same impulse , they form separate subjects of investigation . Elliptical Motion -- SECTION II . Mean and True Motion SECT . I. 7 ROTATION AND TRANSLATION .
... the planets are independent of each other , though probably communicated by the same impulse , they form separate subjects of investigation . Elliptical Motion -- SECTION II . Mean and True Motion SECT . I. 7 ROTATION AND TRANSLATION .
Page 8
... mean distance of a planet from the sun is equal to half the major axis ( N. 42 ) of its orbit : if , therefore , the planet de- scribed a circle ( N. 43 ) round the sun at its mean distance , the motion would be uniform , and the ...
... mean distance of a planet from the sun is equal to half the major axis ( N. 42 ) of its orbit : if , therefore , the planet de- scribed a circle ( N. 43 ) round the sun at its mean distance , the motion would be uniform , and the ...
Page 9
... mean or circular motion of a body , estimated from the vernal equinox , is its mean longitude ; and its elliptical , or true motion , reckoned from that point , is its true longitude ( N. 47 ) : both being estimated from west to east ...
... mean or circular motion of a body , estimated from the vernal equinox , is its mean longitude ; and its elliptical , or true motion , reckoned from that point , is its true longitude ( N. 47 ) : both being estimated from west to east ...
Page 19
... mean motions of the planets remain per- manently independent of secular changes . They are so connected by Kepler's law , of the squares of the periodic times being pro- portional to the cubes of the mean distances of the planets from ...
... mean motions of the planets remain per- manently independent of secular changes . They are so connected by Kepler's law , of the squares of the periodic times being pro- portional to the cubes of the mean distances of the planets from ...
Page 20
... mean motions are not permanently changed by any other power whatever , it may be concluded that they are invariable . With the exception of these two elements , it appears that all the bodies are in motion , and every orbit in a state ...
... mean motions are not permanently changed by any other power whatever , it may be concluded that they are invariable . With the exception of these two elements , it appears that all the bodies are in motion , and every orbit in a state ...
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61 Cygni absorbed action appears atmosphere attraction bismuth blue bodies centre centrifugal force chemical circular polarization coloured rings comet consequently copper crystal dark density diamagnetic diameter diminishes direction distance disturbing earth ecliptic effect electricity equal equator ethereal medium excentricity experiments extreme force gravitation greater heat hemisphere increase intensity Jupiter latitude length lines liquid longitude luminous lunar magnetic mass mean meridian metallic miles molecules moon motion move nebula nodal lines nodes NOTE nutation observed optic axis orbit parallax paramagnetic particles passing perihelion period perpendicular phenomena plane polarized light pole position prism produced quantity rays reflected refraction refrangible retrograde motion revolution revolving right angles rotation round satellites Sir John Herschel solar spectrum sound space stars substances sun's surface telescope temperature terrestrial theory tion tourmaline transmitted tricity undulations Uranus vapour velocity vibrations violet visible Voltaic waves wire