The Connection of the Physical Sciences |
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Page 5
Physical astronomy is the science which compares and identifies the laws of motion observed on earth with the motions that take place in the heavens ; and which traces , by an uninterrupted chain of deduction from the great principle ...
Physical astronomy is the science which compares and identifies the laws of motion observed on earth with the motions that take place in the heavens ; and which traces , by an uninterrupted chain of deduction from the great principle ...
Page 6
The real motions of the earth have been separated from the apparent motions of the planets ; the laws of the planetary ... On the other hand , descending from the principle of gravitation , every motion in the solar system has been so ...
The real motions of the earth have been separated from the apparent motions of the planets ; the laws of the planetary ... On the other hand , descending from the principle of gravitation , every motion in the solar system has been so ...
Page 12
... yet the satellites are near enough to be sensibly affected in their motions by the forms of their primaries . ... having unequal velocities , will have a rotatory motion at the same time that it is translated in space .
... yet the satellites are near enough to be sensibly affected in their motions by the forms of their primaries . ... having unequal velocities , will have a rotatory motion at the same time that it is translated in space .
Page 13
It is computed that had the earth received its motion from a single impulse , such impulse must have passed through a point about twenty - five miles from its centre . Since the motions of rotation and translation of the planets are ...
It is computed that had the earth received its motion from a single impulse , such impulse must have passed through a point about twenty - five miles from its centre . Since the motions of rotation and translation of the planets are ...
Page 14
the planets put together , the elliptical is the nearest approximation to their true motions , which are extremely ... To determine the motion of each body , when disturbed by all the rest , is beyond the power of analysis ; it is ...
the planets put together , the elliptical is the nearest approximation to their true motions , which are extremely ... To determine the motion of each body , when disturbed by all the rest , is beyond the power of analysis ; it is ...
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according action angle appears arising atmosphere attraction axis becomes bodies cause centre changes colors comet consequently density depends determined diameter diminishes direction distance disturbing earth ecliptic effect electricity equal equator existence experiments extent extremely fluid force give given glass gravitation greater heat height increase influence intensity interesting kind known latitude length less light liquid magnetic mass matter mean measured meridian miles moon motion move nature nearly needle object observed occasions opposite orbit particles passing period phenomena plane plate polarized poles position probably produce proved quantity rays reflected refraction remain rest result revolve rings rotation round satellites seen side similar solar solid sound space square stars substances surface temperature terrestrial theory tion transmitted undulations variation varies vibrations volume waves whole 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.
Bibliographic information
| Title | The Connection of the Physical Sciences |
| Author | Mary Somerville |
| Publisher | Key and Biddle, 1834 |
| Original from | the New York Public Library |
| Digitized | 26 Jun 2006 |
| Length | 356 pages |
| Export Citation | BiBTeX EndNote RefMan |