On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 46
... become known . This , indeed , is assuming the earth to be an ellipsoid of revolution ; but the actual measurement of the globe will show how far it corresponds with that solid in figure and constitution . The courses of the great ...
... become known . This , indeed , is assuming the earth to be an ellipsoid of revolution ; but the actual measurement of the globe will show how far it corresponds with that solid in figure and constitution . The courses of the great ...
Page 58
... become less than the errors of observa- tion , when it is obviously unnecessary to carry the approximation further ... becomes a measure of angular motion , and the principal element in astronomy , where the object is to determine the ...
... become less than the errors of observa- tion , when it is obviously unnecessary to carry the approximation further ... becomes a measure of angular motion , and the principal element in astronomy , where the object is to determine the ...
Page 60
... become more accurate . Those containing the motions of Jupiter , Saturn , and Uranus have already been twice constructed within the last thirty years , and the tables of Jupiter and Saturn agree almost perfectly with modern observation ...
... become more accurate . Those containing the motions of Jupiter , Saturn , and Uranus have already been twice constructed within the last thirty years , and the tables of Jupiter and Saturn agree almost perfectly with modern observation ...
Page 63
... become known , and the limits of the solar system may still be extended hundreds of millions of miles . The mean distance of Neptune from the sun has subsequently proved to be only 2893 millions of miles , and the period of his ...
... become known , and the limits of the solar system may still be extended hundreds of millions of miles . The mean distance of Neptune from the sun has subsequently proved to be only 2893 millions of miles , and the period of his ...
Page 64
... become extremely complicated , and do not converge when applied to comets and the telescopic planets . This difficulty ... becomes every day of more importance , from the new planets that have been discovered , and also with regard to ...
... become extremely complicated , and do not converge when applied to comets and the telescopic planets . This difficulty ... becomes every day of more importance , from the new planets that have been discovered , and also with regard to ...
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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