The Connection of the Physical SciencesKey and Biddle, 1834 - 356 pages |
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Page 32
... whence her mean longitude may be found ; but the com- parison of this mean longitude with another mean longi- tude , computed back for the instance of the eclipse from modern observations , shows that the moon performs her revolution 32 ...
... whence her mean longitude may be found ; but the com- parison of this mean longitude with another mean longi- tude , computed back for the instance of the eclipse from modern observations , shows that the moon performs her revolution 32 ...
Page 35
... whence the three motions of the moon , with regard to the sun , to her perigee , and to her nodes , are continually accelerated , and their secular equations are as the numbers 1 , 4 , and 0.265 , or , according to the most recent ...
... whence the three motions of the moon , with regard to the sun , to her perigee , and to her nodes , are continually accelerated , and their secular equations are as the numbers 1 , 4 , and 0.265 , or , according to the most recent ...
Page 36
... whence it appears that the earth is not homogenous , but decreases in density from its centre to its circumfer- ence . 305.05 . Thus the moon's eclipses show the earth to be round , and her inequalities not only determine the form , but ...
... whence it appears that the earth is not homogenous , but decreases in density from its centre to its circumfer- ence . 305.05 . Thus the moon's eclipses show the earth to be round , and her inequalities not only determine the form , but ...
Page 40
... whence it appears that the sun's mean distance from the earth is nearly 396 times greater than that of the moon . The method , however , of finding the absolute distances of the celestial bodies in miles , is in fact the same with that ...
... whence it appears that the sun's mean distance from the earth is nearly 396 times greater than that of the moon . The method , however , of finding the absolute distances of the celestial bodies in miles , is in fact the same with that ...
Page 51
... or an- gle at the moon can be measured , all the angles and one side are given ; whence the distance of the moon from the centre of the earth may be computed . The parallax of an object may be found , if two observers PHYSICAL SCIENCES .
... or an- gle at the moon can be measured , all the angles and one side are given ; whence the distance of the moon from the centre of the earth may be computed . The parallax of an object may be found , if two observers PHYSICAL SCIENCES .
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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.