On the Connexion of the Physical SciencesJ. Murray, 1835 - 493 páginas |
Contenido
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Términos y frases comunes
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
Pasajes populares
Página 432 - ... the squares of the periodic times of the planets are proportional to the cubes of their mean distances from the sun.
Página 432 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Página 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.
Página 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 ?
Página 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...
Página 396 - It is impossible to imagine any thing more tremendous than a conflagration that could be visible at such a distance.
Página 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.
Página 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.
Página 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.