On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 74
... varies with the position of the perihelion ( N. 64 ) of the earth's orbit for two reasons . On account of the excentricity , small as it is , any line passing through the centre of the sun divides the terrestrial ellipse into two ...
... varies with the position of the perihelion ( N. 64 ) of the earth's orbit for two reasons . On account of the excentricity , small as it is , any line passing through the centre of the sun divides the terrestrial ellipse into two ...
Page 79
... varies inversely as the square of the distance , it gives it a motion about its centre of gravity , unless when the attracting body is situated in the prolongation of one of the axes of the spheroid . The plane of the equator is in ...
... varies inversely as the square of the distance , it gives it a motion about its centre of gravity , unless when the attracting body is situated in the prolongation of one of the axes of the spheroid . The plane of the equator is in ...
Page 80
... varies in different centuries , the extent of this period will be slightly modified . Since the motion of the sun is direct , and that of the equinoctial points retrograde , he takes a shorter time to return to the equator than to ...
... varies in different centuries , the extent of this period will be slightly modified . Since the motion of the sun is direct , and that of the equinoctial points retrograde , he takes a shorter time to return to the equator than to ...
Page 94
... varies inversely as the square of the depth — a law which theoretically affords the means of ascertaining the propor- tionate depth of the sea in different parts . It is one of the great constants of nature , and is to fluids what the ...
... varies inversely as the square of the depth — a law which theoretically affords the means of ascertaining the propor- tionate depth of the sea in different parts . It is one of the great constants of nature , and is to fluids what the ...
Page 103
... when the particles are more apart , it diminishes ; and , as soon as they are separated by finite or sensible distances , it varies directly as their mass and inversely as the square of SECT . XIV . ULTIMATE PARTICLES OF MATTER . 103.
... when the particles are more apart , it diminishes ; and , as soon as they are separated by finite or sensible distances , it varies directly as their mass and inversely as the square of SECT . XIV . ULTIMATE PARTICLES OF MATTER . 103.
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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