On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 8
... Mean and True Longitude Equation of Centre clination of the Orbits of Planets Elements of an Orbit --- - O Celestial ... mean distance of a planet from the sun is equal to half the major axis ( N. 42 ) of its orbit : if , therefore , the ...
... Mean and True Longitude Equation of Centre clination of the Orbits of Planets Elements of an Orbit --- - O Celestial ... mean distance of a planet from the sun is equal to half the major axis ( N. 42 ) of its orbit : if , therefore , the ...
Page 9
... mean or circular motion of a body , estimated from the vernal equinox , is its mean longitude ; and its elliptical , or true motion , reckoned from that point , is its true longitude ( N. 47 ) : both being estimated from west to east ...
... mean or circular motion of a body , estimated from the vernal equinox , is its mean longitude ; and its elliptical , or true motion , reckoned from that point , is its true longitude ( N. 47 ) : both being estimated from west to east ...
Page 19
... mean motions of the planets remain per- manently independent of secular changes . They are so connected by Kepler's law , of the squares of the periodic times being pro- portional to the cubes of the mean distances of the planets from ...
... mean motions of the planets remain per- manently independent of secular changes . They are so connected by Kepler's law , of the squares of the periodic times being pro- portional to the cubes of the mean distances of the planets from ...
Page 20
... mean motions are not permanently changed by any other power whatever , it may be concluded that they are invariable . With the exception of these two elements , it appears that all the bodies are in motion , and every orbit in a state ...
... mean motions are not permanently changed by any other power whatever , it may be concluded that they are invariable . With the exception of these two elements , it appears that all the bodies are in motion , and every orbit in a state ...
Page 21
... mean distance of the earth from the sun , ' or between 1.5 and 2:00 ; therefore the posi- tion and form of the orbits of such of the telescopic planets as revolve within that zone will be subject to unlimited variations . But the orbits ...
... mean distance of the earth from the sun , ' or between 1.5 and 2:00 ; therefore the posi- tion and form of the orbits of such of the telescopic planets as revolve within that zone will be subject to unlimited variations . But the orbits ...
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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