On the Connexion of the Physical SciencesMurray, 1858 - 555 pages |
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Page 53
... gives the difference of the parallaxes , that of the sun is obtained . In 1769 the parallax of the sun was determined by observations of a transit of Venus made at Wardhus in Lapland , and at Tahiti in the South Sea . The latter ...
... gives the difference of the parallaxes , that of the sun is obtained . In 1769 the parallax of the sun was determined by observations of a transit of Venus made at Wardhus in Lapland , and at Tahiti in the South Sea . The latter ...
Page 55
... ; from an inequality she produces in the sun's longitude ; and from her action on the tides . The three first quantities , computed from theory and compared with their observed values , give her SECT . VIII . 55 MASSES OF THE PLANETS . 35.
... ; from an inequality she produces in the sun's longitude ; and from her action on the tides . The three first quantities , computed from theory and compared with their observed values , give her SECT . VIII . 55 MASSES OF THE PLANETS . 35.
Page 56
Mary Fairfax Somerville. theory and compared with their observed values , give her mass respectively equal to the ,, and . , part of that of the earth , I which do not differ much from each other . Dr. Brinkley has found it to be from ...
Mary Fairfax Somerville. theory and compared with their observed values , give her mass respectively equal to the ,, and . , part of that of the earth , I which do not differ much from each other . Dr. Brinkley has found it to be from ...
Page 57
... gives the ratio of the masses of these two planets , it is clear that , if we can compare the effect of the whole earth with the effect of any part of it , a comparison may be instituted between the mass of the whole earth and the mass ...
... gives the ratio of the masses of these two planets , it is clear that , if we can compare the effect of the whole earth with the effect of any part of it , a comparison may be instituted between the mass of the whole earth and the mass ...
Page 58
... give some idea of the methods of computing the places of the planets , and of forming astronomical tables ... gives its position in the ellipse . This again is corrected by the application of the prin- cipal periodic inequalities . But ...
... give some idea of the methods of computing the places of the planets , and of forming astronomical tables ... gives its position in the ellipse . This again is corrected by the application of the prin- cipal periodic inequalities . But ...
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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