On the Connexion of the Physical Sciences |
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Page vii
... far more extensive illustration of these views might have been given , the Author hopes that enough has been done to show the connexion of the physical sciences . INTRODUCTION CONTENTS . SECTION I. Page 1 Attraction of a A 4.
... far more extensive illustration of these views might have been given , the Author hopes that enough has been done to show the connexion of the physical sciences . INTRODUCTION CONTENTS . SECTION I. Page 1 Attraction of a A 4.
Page 10
... given to his centre of gravity , that he moves in space , accompanied by all those bodies which compose the solar system , - -a circumstance which would in no way interfere with their relative motions ; for , in consequence of the ...
... given to his centre of gravity , that he moves in space , accompanied by all those bodies which compose the solar system , - -a circumstance which would in no way interfere with their relative motions ; for , in consequence of the ...
Page 11
... given at the time when it was lanched into space . Should the force in the tangent cease , the planet would fall to the sun by its gravity . Were the sun not to attract it , the planet would fly off in the tangent . Thus , when the ...
... given at the time when it was lanched into space . Should the force in the tangent cease , the planet would fall to the sun by its gravity . Were the sun not to attract it , the planet would fly off in the tangent . Thus , when the ...
Page 12
... given epoch has been chosen . The equinoctial , which is a great circle traced in the starry heavens by the imagin- ary extension of the plane of the terrestrial equator , is intersected by the ecliptic , or apparent path of the sun ...
... given epoch has been chosen . The equinoctial , which is a great circle traced in the starry heavens by the imagin- ary extension of the plane of the terrestrial equator , is intersected by the ecliptic , or apparent path of the sun ...
Page 13
... given epoch as a known and fixed posi- tion . The angular distance of a planet from the plane of the ecliptic is its latitude2 ; which is south or north , ac- cording as the planet is south or north of that plane . When the planet is in ...
... given epoch as a known and fixed posi- tion . The angular distance of a planet from the plane of the ecliptic is its latitude2 ; which is south or north , ac- cording as the planet is south or north of that plane . When the planet is in ...
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Common terms and phrases
action appears atmosphere attraction bodies caloric cause celestial centre centrifugal force chemical colours comet consequently David Brewster decrease degrees density diameter diminishes direction earth ecliptic effect electric currents electricity equal equator equilibrium equinox excentricity extremely fluid galvanometer glass globe gravitation greater heat increase inequalities intensity Jupiter Jupiter's latitude length light liquid longitude lunar magnetic major axis mass mean distance mean motion meridian miles moon move nearly needle nodal lines nodes NOTE nutation observed ocean optic axis orbit oscillations parallax parallel particles passing perigee perihelion period phenomena planet plate polarized poles position produce quantity reflected refraction retrograde motion revolution revolve right angles rings rotation satellites Saturn secular solar solid sound space spheroid square stars substances sun and moon sun's surface temperature terrestrial theory tides tion tourmaline transmitted tricity undulations variations varies velocity vibrations voltaic waves wire
Popular passages
Page 432 - ... the squares of the periodic times of the planets are proportional to the cubes of their mean distances from the sun.
Page 432 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Page 29 - 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, Eccentric, 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 407 - ... the firmament of large stars, into which the central cluster would be seen projected, and (owing to its greater distance) appearing like it to consist of stars much smaller than those in other parts of the heavens. "Can it be,'' asks Sir J. Herschel, " that we have here a brother system, bearing a real physical resemblance and strong analogy of structure to our own ?
Page 317 - The spritsail yard and mizzen boom were lighted by the reflection, as if gas lights had been burning directly below them ; and until just before daybreak, at four o'clock, the most minute objects were distinctly visible. Day broke very slowly, and the sun rose of a fiery and threatening aspect. Rain followed. Captain Bonnycastle caused a bucket of this fiery water to be drawn up ; it was one mass of light, when stirred by the hand, and not in sparks, as usual, but in actual coruscations. A portion...
Page 396 - It is impossible to imagine any thing more tremendous than a conflagration that could be visible at such a distance.
Page 436 - The circumference of every circle is supposed to be divided into 360 equal parts called degrees, and each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds, and these into thirds, fourths, &c.
Page 114 - ... them requires. Hence, on account of the Inertia of the waters, if the tides be considered relatively to the whole earth, and open sea, there is a meridian about 30° eastward of the moon, where it is always high water both in the hemisphere where the moon is and in that which is opposite. On the west side of this circle the tide is flowing, on the east it is ebbing, and on every part of the meridian at 90° distant, it is low water.
Page iii - If I have succeeded in my endeavour to make the laws by which the material world is governed, more familiar to my countrywomen, I shall have the gratification of thinking, that the gracious permission to dedicate my book to your Majesty has not been misplaced.