On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 64
... John Lubbock , and other mathematicians , who have the honour of having completed the theory of planetary motion , which becomes every day of more importance , from the new planets that have been discovered , and also with regard to ...
... John Lubbock , and other mathematicians , who have the honour of having completed the theory of planetary motion , which becomes every day of more importance , from the new planets that have been discovered , and also with regard to ...
Page 67
... John Herschel , its thickness does not much exceed 100 miles , so that it appears like a plane . By the laws of mechanics , it is impos- sible that this body can retain its position by the adhesion of its particles alone . It must ...
... John Herschel , its thickness does not much exceed 100 miles , so that it appears like a plane . By the laws of mechanics , it is impos- sible that this body can retain its position by the adhesion of its particles alone . It must ...
Page 71
... John Herschel to the varia- tion in the Excentricity of the Terrestrial Orbit — Difference in the Temperature of the two Hemispheres erroneously ascribed to the Excess in the Length of Spring and Summer in the Southern Hemisphere ...
... John Herschel to the varia- tion in the Excentricity of the Terrestrial Orbit — Difference in the Temperature of the two Hemispheres erroneously ascribed to the Excess in the Length of Spring and Summer in the Southern Hemisphere ...
Page 74
... John Herschel has shown that by this alternation neither hemisphere acquires any excess of light or heat above the other ; for , although the earth is nearer to the sun while moving through that part of its orbit in which the perihelion ...
... John Herschel has shown that by this alternation neither hemisphere acquires any excess of light or heat above the other ; for , although the earth is nearer to the sun while moving through that part of its orbit in which the perihelion ...
Page 86
... John Herschel to employ mean equinoctial time , which is the same for all the world , and independent alike of local circumstances and inequalities in the sun's motion . It is the time elapsed from the instant the mean sun enters the ...
... John Herschel to employ mean equinoctial time , which is the same for all the world , and independent alike of local circumstances and inequalities in the sun's motion . It is the time elapsed from the instant the mean sun enters the ...
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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