On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 63
Mary Somerville. Neptune has a diameter of 39,793 miles , consequently he is nearly 200 times larger than the earth , and may be seen with a telescope of moderate power . His motion is retrograde at pre- sent , and six times slower than ...
Mary Somerville. Neptune has a diameter of 39,793 miles , consequently he is nearly 200 times larger than the earth , and may be seen with a telescope of moderate power . His motion is retrograde at pre- sent , and six times slower than ...
Page 65
... diameter , or a little more than seven times the distance of the moon from the earth . The sun and all his attendants rotate from west to east , on axes that remain nearly parallel to themselves ( N. 140 ) in every point of their orbit ...
... diameter , or a little more than seven times the distance of the moon from the earth . The sun and all his attendants rotate from west to east , on axes that remain nearly parallel to themselves ( N. 140 ) in every point of their orbit ...
Page 69
... In the curve passing through the poles , and that diameter of the moon which always points to the earth , nature has furnished a perma- nent meridian , to which the different spots on her SECT . IX . 69 LIBRATIONS OF THE MOON .
... In the curve passing through the poles , and that diameter of the moon which always points to the earth , nature has furnished a perma- nent meridian , to which the different spots on her SECT . IX . 69 LIBRATIONS OF THE MOON .
Page 75
... diameter , and the depth of the ocean by a scratch on its surface . Consequently the gradual elevation of a continent or chain of mountains above the surface of the ocean , or their depression below it , is no very great event compared ...
... diameter , and the depth of the ocean by a scratch on its surface . Consequently the gradual elevation of a continent or chain of mountains above the surface of the ocean , or their depression below it , is no very great event compared ...
Page 76
... diameter and every diameter in the plane of the equator are the only permanent axes of rotation ( N. 145 ) . Hence , if the ellipsoid were to begin to revolve about any diameter between the pole and the equator , the motion would be so ...
... diameter and every diameter in the plane of the equator are the only permanent axes of rotation ( N. 145 ) . Hence , if the ellipsoid were to begin to revolve about any diameter between the pole and the equator , the motion would be so ...
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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