On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 64
... comets and the telescopic planets . This difficulty has been overcome by Sir John Lubbock , and other mathematicians , who have the honour of having completed the theory of planetary motion , which becomes every day of more importance ...
... comets and the telescopic planets . This difficulty has been overcome by Sir John Lubbock , and other mathematicians , who have the honour of having completed the theory of planetary motion , which becomes every day of more importance ...
Page 69
... comet , the mass of the latter must have been extremely small . If it had been only the hundred thousandth part of that of the earth , it would have rendered the libration sensible . According to analysis , a similar libration exists in ...
... comet , the mass of the latter must have been extremely small . If it had been only the hundred thousandth part of that of the earth , it would have rendered the libration sensible . According to analysis , a similar libration exists in ...
Page 76
... on the surface , if the earth be not disturbed in its rota- tion by a foreign cause , as the collision of a comet , which might have happened in the immensity of time . But , 76 SECT . X. AXIS OF ROTATION INVARIABLE .
... on the surface , if the earth be not disturbed in its rota- tion by a foreign cause , as the collision of a comet , which might have happened in the immensity of time . But , 76 SECT . X. AXIS OF ROTATION INVARIABLE .
Page 88
... comets to their perihelia may possibly mark the present state of astronomy to future ages . The places of the fixed stars are affected by the precession of the equinoxes ; and , as the law of that variation is known , their positions at ...
... comets to their perihelia may possibly mark the present state of astronomy to future ages . The places of the fixed stars are affected by the precession of the equinoxes ; and , as the law of that variation is known , their positions at ...
Page 118
... comets show that extremely attenuated matter is capable of reflecting light . And although , at the height of fifty miles , the bursting of the meteor of 1783 was heard on earth like the report of a cannon , it only proves the immensity ...
... comets show that extremely attenuated matter is capable of reflecting light . And although , at the height of fifty miles , the bursting of the meteor of 1783 was heard on earth like the report of a cannon , it only proves the immensity ...
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Common terms and phrases
61 Cygni action appears atmosphere attraction bismuth bodies cause centre centrifugal force chemical colour comet consequently copper crystal dark degree density diamagnetic diameter diminishes direction disturbing double stars earth ecliptic effect electricity equal equator ethereal medium excentricity Fcap force glass gravitation greater heat hemisphere increase intensity Jupiter latitude length light lines liquid longitude luminous lunar magnetic major axis mass meridian metallic miles moon motion move nearly nebula nodal lines nodes northern hemisphere NOTE nutation observed optic axis orbit oscillations parallax paramagnetic particles passing perihelion periodic phenomena planets plate polarized pole position Post 8vo produced quantity rays reflected refraction refrangible revolution revolving right angles rings rotation round satellites Sir John Herschel solar spectrum space stars substances sun's surface telescope temperature terrestrial tion tourmaline transmitted tricity undulations Uranus vapour variation velocity vibrations Vols Voltaic waves wire Woodcuts