The Connection of the Physical SciencesKey and Biddle, 1834 - 356 pages |
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Page 3
... far more extensive illustra- tion of these views might have been given , the author hopes that enough has been done to show the connection of the physical sciences . SECTION I. ALL the knowledge we possess of external objects PREFACE. ...
... far more extensive illustra- tion of these views might have been given , the author hopes that enough has been done to show the connection of the physical sciences . SECTION I. ALL the knowledge we possess of external objects PREFACE. ...
Page 12
... tion of that matter on the moon is the cause of a corres- ponding nutation in the lunar orbit . If a sphere , at rest in space , receive an impulse passing through its centre of gravity , all its parts will move with an equal velocity ...
... tion of that matter on the moon is the cause of a corres- ponding nutation in the lunar orbit . If a sphere , at rest in space , receive an impulse passing through its centre of gravity , all its parts will move with an equal velocity ...
Page 13
... tion of a tangent to its orbit , arising from the primitive im- pulse given at the time when it was launched into space : should the force in the tangent cease , the planet would fall to the sun by its gravity ; were the sun not to ...
... tion of a tangent to its orbit , arising from the primitive im- pulse given at the time when it was launched into space : should the force in the tangent cease , the planet would fall to the sun by its gravity ; were the sun not to ...
Page 18
... tion and eccentricity of every orbit are in a state of perpet- ual but slow change . At the present time the inclinations of all the orbits are decreasing , but so slowly that the in- clination of Jupiter's orbit is only about six ...
... tion and eccentricity of every orbit are in a state of perpet- ual but slow change . At the present time the inclinations of all the orbits are decreasing , but so slowly that the in- clination of Jupiter's orbit is only about six ...
Page 21
... tion of its radius vector about the common centre of grav- ity of the whole , the sum of all these products will be a maximum . La Place found that the plane in question is inclined to the ecliptic at an angle of nearly 1 ° 35 ′ 31 ...
... tion of its radius vector about the common centre of grav- ity of the whole , the sum of all these products will be a maximum . La Place found that the plane in question is inclined to the ecliptic at an angle of nearly 1 ° 35 ′ 31 ...
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Common terms and phrases
action appears astronomers atmosphere attraction caloric cause celestial bodies centre centrifugal force chemical decomposition colors comet compression consequently degree density diameter diminishes direction disturbing earth ecliptic effect electric currents equal equator equilibrium equinox ether extremely fluid force galvanometer glass globe gravitation heat Herschel increase inequalities intensity Jupiter Key & Biddle latent heat latitude length liquid longitude lunar magnetic major axis mass mean motion meridian miles moon nearly needle nodes nutation observed ocean opposite optic axis orbit oscillations parallax particles passing perigee perihelion period perpendicular phenomena plane plate poles position produce proved quantity ray of light reflected refraction retrograde motion revolution revolve right angles rings rotation satellites sensible Sir Edward Parry solar sound space spheroid substances sun and moon sun's surface temperature terrestrial theory tides tion tourmaline transmitted tricity undulations variation velocity vibrations voltaic waves whence wire
Popular passages
Page 20 - That day, as other solemn days, they spent In song and dance about the sacred hill; Mystical dance, which yonder starry sphere Of planets, and of fixed, in all her wheels Resembles nearest, mazes intricate, Eccentrick, intervolved, yet regular Then most, when most irregular they seem ; And in their motions harmony divine So smooths her charming tones, that God's own ear Listens delighted.
Page 316 - Bacon, that the words of prophecy are to be interpreted as the words of one 'with whom a thousand years are as one day, and one day as a thousand years.
Page 10 - Kepler also deduced from observation, that the squares of the periodic times of the planets, or the times of their revolutions round the sun, are proportional to the cubes of their mean distances from...
Page 28 - His true position is in the diagonal of the parallelogram, whose sides are in the ratio of the velocity of light to the velocity of the earth in its orbit, which is as 190000 to 19.
Page 298 - Jupiter ; it then gradually diminished in splendour, and, having exhibited all the variety of tints that indicate the changes of combustion, vanished sixteen months after its discovery, without altering its position. It is impossible to imagine anything more tremendous than a conflagration that could be visible at such a distance.
Page 296 - The distance of the fixed stars is too great to admit of their exhibiting a sensible disc ; but, in all probability, they are spherical, and must certainly be so if gravitation pervades all space, which it may be presumed to do, since Sir John Herschel has shown that it extends to the binary systems of stars.
Page 318 - These formulae, emblematic of Omniscience, condense into a few symbols the immutable laws of the universe. This mighty instrument of human power itself originates in the primitive constitution of the human mind, and rests upon a few fundamental axioms, which have eternally existed in Him who implanted them in the breast of man when He created him after His own image.