On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page xv
... Nature Definition of Gravity not according to that Law Gravity only the Residual Force of a Universal Power the Ethereal Medium --- SECTION XXXV . 1 - ― - Magnetism of 335 Ethereal Medium - Comets - Do not disturb the Solar System ...
... Nature Definition of Gravity not according to that Law Gravity only the Residual Force of a Universal Power the Ethereal Medium --- SECTION XXXV . 1 - ― - Magnetism of 335 Ethereal Medium - Comets - Do not disturb the Solar System ...
Page 5
... nature . Kepler found , by direct observation , that the planets describe ellipses ( N. 24 ) , or oval paths , round the sun . Later observations show that comets also move in conic sections . It consequently follows that the sun ...
... nature . Kepler found , by direct observation , that the planets describe ellipses ( N. 24 ) , or oval paths , round the sun . Later observations show that comets also move in conic sections . It consequently follows that the sun ...
Page 10
... nature and position of its orbit must be ascertained by observation . This depends upon seven quantities , called the elements of the orbit ( N. 57 ) . These are , the length of the major axis , and the ex- centricity , which determine ...
... nature and position of its orbit must be ascertained by observation . This depends upon seven quantities , called the elements of the orbit ( N. 57 ) . These are , the length of the major axis , and the ex- centricity , which determine ...
Page 11
... nature of the conic sections in which the celestial bodies move depends upon the velocity with which they were first propelled in space . Had that velocity been such as to make the planets move in orbits of unstable equilibrium ( N. 60 ) ...
... nature of the conic sections in which the celestial bodies move depends upon the velocity with which they were first propelled in space . Had that velocity been such as to make the planets move in orbits of unstable equilibrium ( N. 60 ) ...
Page 20
... nature , to alter the relative positions of the planets , to put an end to the vicissitudes of the seasons , and to bring about collisions which would involve our whole system , now so harmonious , in chaotic confusion . It is natural ...
... nature , to alter the relative positions of the planets , to put an end to the vicissitudes of the seasons , and to bring about collisions which would involve our whole system , now so harmonious , in chaotic confusion . It is natural ...
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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