The Connection of the Physical SciencesKey and Biddle, 1834 - 356 pages |
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Page 30
... parallax . For it seems incredible that the species or rays of the celestial bodies can pass through the immense interval between them and us in an instant , or that they do not even require some considerable portion of time . ' As ...
... parallax . For it seems incredible that the species or rays of the celestial bodies can pass through the immense interval between them and us in an instant , or that they do not even require some considerable portion of time . ' As ...
Page 41
... parallax of that object ; it , evidently increases and decreases with the distance ; there- fore the base must be very great indeed to be visible at all from the celestial bodies . The globe itself , whose dimen- sions are obtained by ...
... parallax of that object ; it , evidently increases and decreases with the distance ; there- fore the base must be very great indeed to be visible at all from the celestial bodies . The globe itself , whose dimen- sions are obtained by ...
Page 51
... parallax of a celestial body is the angle under which the radius of the earth would be seen if viewed from the centre of that body ; it affords the means of as- certaining the distances of the sun , moon , and planets . Suppose , when ...
... parallax of a celestial body is the angle under which the radius of the earth would be seen if viewed from the centre of that body ; it affords the means of as- certaining the distances of the sun , moon , and planets . Suppose , when ...
Page 52
... parallax of the moon was found to be 3459 " , when the mean distance of the moon is about sixty times the mean terrestrial radius , or 237360 miles nearly . Since the parallax is equal to the radius of the earth divided by the distance ...
... parallax of the moon was found to be 3459 " , when the mean distance of the moon is about sixty times the mean terrestrial radius , or 237360 miles nearly . Since the parallax is equal to the radius of the earth divided by the distance ...
Page 53
... parallax , fur- nishes the means of computing it from the known motions of the earth and Venus , by the same method as for the eclipses of the sun . In fact , the ratio of the distances of Venus and the sun from the earth at the time of ...
... parallax , fur- nishes the means of computing it from the known motions of the earth and Venus , by the same method as for the eclipses of the sun . In fact , the ratio of the distances of Venus and the sun from the earth at the time of ...
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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.