On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 4
... nearly spherical , and at such remote distances from one another , that they attract and are attracted as if each were condensed into a single particle situate in its centre of gravity ( N. 10 ) —a circumstance which greatly facilitates ...
... nearly spherical , and at such remote distances from one another , that they attract and are attracted as if each were condensed into a single particle situate in its centre of gravity ( N. 10 ) —a circumstance which greatly facilitates ...
Page 11
... nearly equal to their simultaneous and joint effect . On account of the reciprocal action of matter , the stability of the system depends upon the intensity of the primitive mo- mentum ( N. 59 ) of the planets , and the ratio of their ...
... nearly equal to their simultaneous and joint effect . On account of the reciprocal action of matter , the stability of the system depends upon the intensity of the primitive mo- mentum ( N. 59 ) of the planets , and the ratio of their ...
Page 16
... nearly doubles the direct motion of these points . The motion of the apsides may be represented by supposing a planet to move in an ellipse , while the ellipse itself is slowly revolving about the sun in the same plane ( N. 67 ) . This ...
... nearly doubles the direct motion of these points . The motion of the apsides may be represented by supposing a planet to move in an ellipse , while the ellipse itself is slowly revolving about the sun in the same plane ( N. 67 ) . This ...
Page 17
... nearly circular ; when that curvature is less than it ought to be , the path of the planet falls without its elliptical orbit ( N. 66 ) , and the excentricity is increased ; during these changes , the length of the major axis is not ...
... nearly circular ; when that curvature is less than it ought to be , the path of the planet falls without its elliptical orbit ( N. 66 ) , and the excentricity is increased ; during these changes , the length of the major axis is not ...
Page 21
... of large numbers , 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 . orbit is , no doubt , as stable as that SECT . III . 21 STABILITY OF SYSTEM .
... of large numbers , 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 . orbit is , no doubt , as stable as that SECT . III . 21 STABILITY OF SYSTEM .
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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