On the Connexion of the Physical SciencesJ. Murray, 1858 - 523 pages |
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Page 41
... globe , consisting of two concentric parts of very unequal density , the internal part being a dark spherical mass , the external a very extensive atmosphere , at a certain height in which there SECT . V. 41 ECLIPSES .
... globe , consisting of two concentric parts of very unequal density , the internal part being a dark spherical mass , the external a very extensive atmosphere , at a certain height in which there SECT . V. 41 ECLIPSES .
Page 43
... , furnishes a standard of measures with which we compare the distances , masses , densities , and volumes of the sun and planets . SECTION VI . Form of the Earth and Planets - SECT , V. DISTANCES OF PLANETS , HOW FOUND . 43.
... , furnishes a standard of measures with which we compare the distances , masses , densities , and volumes of the sun and planets . SECTION VI . Form of the Earth and Planets - SECT , V. DISTANCES OF PLANETS , HOW FOUND . 43.
Page 44
... Density- Figure of the Earth , supposing it to be an Ellipsoid of Revolution Mensuration of a Degree of the Meridian - Compression and Size of the Earth from Degrees of Meridian Figure of Earth from the Pendulum . - THE theoretical ...
... Density- Figure of the Earth , supposing it to be an Ellipsoid of Revolution Mensuration of a Degree of the Meridian - Compression and Size of the Earth from Degrees of Meridian Figure of Earth from the Pendulum . - THE theoretical ...
Page 45
... density towards the centre . The lunar inequalities also prove the earth to be so constructed ; it was requisite , therefore , to consider the fluid mass to be of variable density . Including this condition , it has been found that the ...
... density towards the centre . The lunar inequalities also prove the earth to be so constructed ; it was requisite , therefore , to consider the fluid mass to be of variable density . Including this condition , it has been found that the ...
Page 46
Mary Somerville. should be less than the mean density of the earth , otherwise the continents would be perpetually liable to inundations from storms and other causes . On the whole , it appears from theory , that a horizontal line ...
Mary Somerville. should be less than the mean density of the earth , otherwise the continents would be perpetually liable to inundations from storms and other causes . On the whole , it appears from theory , that a horizontal line ...
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Common terms and phrases
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