On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 19
... increase the attracting force of the sun , which , therefore , must contract the dimensions of the orbit of that planet , and diminish its periodic time ; whilst the planets exterior to Mars's orbit must have the contrary effect . But ...
... increase the attracting force of the sun , which , therefore , must contract the dimensions of the orbit of that planet , and diminish its periodic time ; whilst the planets exterior to Mars's orbit must have the contrary effect . But ...
Page 20
... increase with the time ; and , as a sine or cosine can never exceed the radius , but must oscillate between zero and unity , however much the time may increase , it follows that when the variations have accumulated to a maximum by slow ...
... increase with the time ; and , as a sine or cosine can never exceed the radius , but must oscillate between zero and unity , however much the time may increase , it follows that when the variations have accumulated to a maximum by slow ...
Page 26
... increase the period of the inequality to 918 years ( N. 84 ) . As any perturbation which affects the mean motion affects also the major axis , the disturbing forces tend to diminish the major axis of Jupiter's orbit , and increase that ...
... increase the period of the inequality to 918 years ( N. 84 ) . As any perturbation which affects the mean motion affects also the major axis , the disturbing forces tend to diminish the major axis of Jupiter's orbit , and increase that ...
Page 35
... increase and diminution always the same , the Evection would only depend upon the distance of the moon from the sun ; but its absolute value also varies with her distance from the perigee ( N. 102 ) of her orbit . Ancient astronomers ...
... increase and diminution always the same , the Evection would only depend upon the distance of the moon from the sun ; but its absolute value also varies with her distance from the perigee ( N. 102 ) of her orbit . Ancient astronomers ...
Page 37
... increase of the earth's attraction . This secular increase in the moon's velocity is called the Acceleration , a name peculiarly appropriate at present , and which will continue to be so for a vast number of ages ; because , as long as ...
... increase of the earth's attraction . This secular increase in the moon's velocity is called the Acceleration , a name peculiarly appropriate at present , and which will continue to be so for a vast number of ages ; because , as long as ...
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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