 | Thomas Young - 1845 - 660 pages
...by the force of gravity, no doubt the primary planets are carried round the sun by the like power. And by comparing the periods of the several planets...duplicate proportion of the increase of distance. This he concluded by supposing them to move in perfect circles concentrical to the sun, from which the orbits... | |
 | Euclides - 1845 - 546 pages
...round the sun by the like power : and by comparing the periods of the several planets with their mean distances from the sun, he found, that if any power like gravity held them in their courses, its intensity must decrease inversely as the square of their distances from the sun. He arrived at this... | |
 | Oliver Goldsmith - 1852 - 674 pages
...orbit by the force of gravity, no doubt the primary planets are carried round the sun by a like power ; and by comparing the periods of the several planets...from the sun, he found that if any power like gravity kept them in their orbits, its strength must decrease in proportion as the squares of the distances... | |
 | Lord Alexander Fraser Tytler Woodhouselee - 1853 - 570 pages
...by the force of gravity, no doubt the primary planets are carried round the sun by the like power; and by comparing the periods of the several planets...found that if any power like gravity held them in iheir courses, its strength must decrease in the duplicate proportion of the increase of distance.... | |
 | Lord Alexander Fraser Tytler Woodhouselee - 1854 - 540 pages
...by the force of gravity, no doubt the primary planets are carried round the sun by the like power; and by comparing the periods of the several planets...duplicate proportion of the increase of distance. Supposing, therefore, the power of gravity, when extended to the moon, to decrease in the same proportion,... | |
 | Lord Alexander Fraser Tytler Woodhouselee - 1854 - 286 pages
...the primary planets are carried round the sun by 'he like power ; and by comparing the periods of he several planets with their distances from the sun,...duplicate proportion of the increase of distance. Supposing, therefore, the power of gravity, when extended to the moon, to decrease in the same proportion,... | |
 | Lord Alexander Fraser Tytler Woodhouselee, Edward Nares - 1857 - 294 pages
...the primary planets are carried round the sun by "he like power; and by comparing the periods of he several planets with their distances from the sun,...duplicate proportion of the increase of distance. Supposing, therefore, the power of gravity, when extended to the moon, to decrease in the same proportion,... | |
 | Robert Potts - 1879 - 668 pages
...by the force of gravity, no doubt the primary planets are carried round the sun by the like power. And, by comparing the periods of the several planets...duplicate proportion of the increase of distance. This he concluded by supposing them to move in perfect circles concentrical to the sun, from which the orbits... | |
 | Robert Potts - 1879 - 672 pages
...primary planets are carried round the sun by the like power. And, by comparing the periods of theaeveral planets with their distances from the sun, he found...duplicate proportion of the increase of distance. This he concluded by supposing them to move in perfect circles concentrical to the sun, from which the orbits... | |
 | Walter William Rouse Ball - 1893 - 195 pages
...by the force of gravity, no doubt the primary planets are carried round the sun by the like power. And by comparing the periods of the several planets...duplicate proportion of the increase of distance. This he concluded by supposing them to move in perfect circles concentrical to the sun, from which the orbits... | |
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To make an estimate what might be the degree of this diminution, he considered with himself that, if the moon be retained in her orbit by the force of gravity, no doubt the primary planets are carried round the sun by the like power. And, by comparing... 
