On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 42
... become of more importance to the navigator and geographer than those of any other heavenly body , from the precision with which terrestrial longitude is determined by occultations of stars , and by lunar distances . In consequence of ...
... become of more importance to the navigator and geographer than those of any other heavenly body , from the precision with which terrestrial longitude is determined by occultations of stars , and by lunar distances . In consequence of ...
Page 45
... become flattened at the poles . It appears , then , that the influence of the centrifugal force is most powerful at the equator , not only because it is actually greater there than elsewhere , but because its whole effect is employed in ...
... become flattened at the poles . It appears , then , that the influence of the centrifugal force is most powerful at the equator , not only because it is actually greater there than elsewhere , but because its whole effect is employed in ...
Page 51
... become fluid , after being stripped of the ocean , it would assume the form of an ellipsoid of revolution whose compression is , which differs very little from that determined by observation , and proves , not only that the density of ...
... become fluid , after being stripped of the ocean , it would assume the form of an ellipsoid of revolution whose compression is , which differs very little from that determined by observation , and proves , not only that the density of ...
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 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 ...
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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