On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 43
Mary Somerville. This causes the moon to move round the earth in a kind of spiral , so that her disc at different times passes over every point in a zone of the heavens extending rather more than 5 ° 9 ' on each side of the ecliptic . It ...
Mary Somerville. This causes the moon to move round the earth in a kind of spiral , so that her disc at different times passes over every point in a zone of the heavens extending rather more than 5 ° 9 ' on each side of the ecliptic . It ...
Page 43
... the nodes of the lunar orbit , at the rate of 3 ' 10 " -64 daily , these points make a tour of the heavens in a little more than eighteen years and a half . This causes the moon to move round the earth in 42 SECT . V. OCCULTATIONS .
... the nodes of the lunar orbit , at the rate of 3 ' 10 " -64 daily , these points make a tour of the heavens in a little more than eighteen years and a half . This causes the moon to move round the earth in 42 SECT . V. OCCULTATIONS .
Page 46
... round the earth through both poles must be nearly an ellipse , having its major axis in the plane of the equator , and its minor axis coincident with the axis of the earth's rotation ( N. 122 ) . It is easy to show , in a spheroid whose ...
... round the earth through both poles must be nearly an ellipse , having its major axis in the plane of the equator , and its minor axis coincident with the axis of the earth's rotation ( N. 122 ) . It is easy to show , in a spheroid whose ...
Page 51
... round the centre of gravity of the earth , which affords a strong presumption in favour of its original fluidity . It is remarkable how little influence the sea has on the variation of the lengths of the arcs of the meridian , or on ...
... round the centre of gravity of the earth , which affords a strong presumption in favour of its original fluidity . It is remarkable how little influence the sea has on the variation of the lengths of the arcs of the meridian , or on ...
Page 56
... round his world in a few hours . The diameters of Lutetia and Atalanta are only 8 and 4 miles respectively ; but the whole of the 55 telescopic planets are so small , that their united mass is probably not more than the fifth or sixth ...
... round his world in a few hours . The diameters of Lutetia and Atalanta are only 8 and 4 miles respectively ; but the whole of the 55 telescopic planets are so small , that their united mass is probably not more than the fifth or sixth ...
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61 Cygni absorbed action appears atmosphere attraction bismuth blue bodies centre centrifugal force chemical circular polarization coloured rings comet consequently copper crystal dark density diamagnetic diameter diminishes direction distance disturbing earth ecliptic effect electricity equal equator ethereal medium excentricity experiments extreme force gravitation greater heat hemisphere increase intensity Jupiter latitude length lines liquid longitude luminous lunar magnetic mass mean meridian metallic miles molecules moon motion move nebula nodal lines nodes NOTE nutation observed optic axis orbit parallax paramagnetic particles passing perihelion period perpendicular phenomena plane polarized light pole position prism produced quantity rays reflected refraction refrangible retrograde motion revolution revolving right angles rotation round satellites Sir John Herschel solar spectrum sound space stars substances sun's surface telescope temperature terrestrial theory tion tourmaline transmitted tricity undulations Uranus vapour velocity vibrations violet visible Voltaic waves wire