On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 19
... length of the major axes and the 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 ...
... length of the major axes and the 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 ...
Page 20
... length of the major axes and the 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 ...
... length of the major axes and the 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 ...
Page 25
... length of time during which the forces act in the same manner ; and , if the conjunction always happened in the same point of the orbit , this uncompensated inequality in the mean motion would go on increasing till the periodic times ...
... length of time during which the forces act in the same manner ; and , if the conjunction always happened in the same point of the orbit , this uncompensated inequality in the mean motion would go on increasing till the periodic times ...
Page 39
... length of the shadow termi- nates at the point where the apparent diameters ( N. 111 ) of the sun and earth would be the same . When the moon is in oppo- sition , and at her mean distance , the diameter of the sun would be seen from her ...
... length of the shadow termi- nates at the point where the apparent diameters ( N. 111 ) of the sun and earth would be the same . When the moon is in oppo- sition , and at her mean distance , the diameter of the sun would be seen from her ...
Page 46
... length of the radii is equal to the compression or flattening , and the total diminution in the length of the arcs is equal to the compression , multiplied by three times the length of an arc of one degree at the equator . Hence , by ...
... length of the radii is equal to the compression or flattening , and the total diminution in the length of the arcs is equal to the compression , multiplied by three times the length of an arc of one degree at the equator . Hence , by ...
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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