On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page xiv
Mary Somerville. SECTION XXVI . Influence of Temperature on Vegetation - Vegetation varies with the Lati- tude and Height above the Sea - Geographical Distribution of Land Distribution of Marine Plants Corallines , Shell - fish ...
Mary Somerville. SECTION XXVI . Influence of Temperature on Vegetation - Vegetation varies with the Lati- tude and Height above the Sea - Geographical Distribution of Land Distribution of Marine Plants Corallines , Shell - fish ...
Page 8
... varying every instant , in consequence of two forces , one tending to the centre of the sun , and the other in the direction of a tangent ( N. 38 ) to its orbit , arising from the primitive impulse given at the time when it was launched ...
... varying every instant , in consequence of two forces , one tending to the centre of the sun , and the other in the direction of a tangent ( N. 38 ) to its orbit , arising from the primitive impulse given at the time when it was launched ...
Page 14
... varies in intensity and direction with every change in the relative posi- tions of the three bodies . Although both the sun and planet are under the influence of the disturbing force , the motion of the disturbed planet is referred to ...
... varies in intensity and direction with every change in the relative posi- tions of the three bodies . Although both the sun and planet are under the influence of the disturbing force , the motion of the disturbed planet is referred to ...
Page 15
... changes of small extent in the distance of the planet from the sun . It has already been shown , that the force pro- ducing perfectly elliptical motion varies inversely as the square of SECT . III . 15 DISTURBING FORCES .
... changes of small extent in the distance of the planet from the sun . It has already been shown , that the force pro- ducing perfectly elliptical motion varies inversely as the square of SECT . III . 15 DISTURBING FORCES .
Page 16
... varies directly as the distance ; and , as it sometimes combines with and increases the intensity of the sun's attraction for the disturbed body , and at other times opposes and consequently diminishes it , in both cases it causes the ...
... varies directly as the distance ; and , as it sometimes combines with and increases the intensity of the sun's attraction for the disturbed body , and at other times opposes and consequently diminishes it , in both cases it causes 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