 | Historical, genealogical and classical dictionary - 1743 - 224 pages
...this fpeculation by comparing the periods of the feveral planets with their diftancea from the fun, he found, that if any power like gravity held them in their cour to, NE tonrfes, its ftrength rauft decreafe in the duplicate proportion of the increafe of diftance.... | |
 | Biography - 1762 - 668 pages
...power ; and, by comparing the periods of the feveral planets with their diftances from from the fun, he found, that, if any power like gravity held them in their courfes, its ftrength muft decreafe in the duplicate proportion of the increafe of diftance. This he... | |
 | John Noorthouck - Biography - 1776 - 376 pages
...this fpeculation by comparing the periods of the feveral planets with their diftances from the fun, he found, that if any power like gravity held them in their courfes, its ftrength muft decreafe in the duplicate proportion of the increafe of diftance. This enquiry... | |
 | Colin Macfarquhar, George Gleig - Encyclopedias and dictionaries - 1797 - 450 pages
...this fpiculation, by compiling the periods of the feveral planets with their diftance« from the fun, he found, that if any power like gravity held them in- their courfee, its ftrength mud decreafe in the duplicate proportion of the inçrrafc of diuance. This inquiry... | |
 | Isaac Newton - Celestial mechanics - 1803 - 310 pages
...like power ; and, by comparing the periods of the feveral planets with their diftances from the fun, he found, that, if any power like gravity held them in their courfes, its flrength muft decreafe in the duplicate proportion of the increafe of diftance. This he... | |
 | Thomas Mortimer - 1808 - 496 pages
...orbit 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 more in perfect circles concentrical to the sun, from which the... | |
 | John Aikin - Biography - 1808 - 730 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... | |
 | John Watkins - Authors, English - 1808 - 768 pages
...the force of gravity, then the primary planets must be carried round the sun by the tlie like power. And by comparing the periods of the several planets,...duplicate proportion of the increase of distance. This he concluded, by supposing them in perfect circles concentric to the sun, from which the orbits of... | |
 | John Mason Good - 1819 - 788 pages
...by the force of gravity, no doubt the primary planets .ire carried about tlie sun by the like power; and by comparing the periods of the several planets...decrease in the duplicate proportion of the increase ol distance. This he concjudcd, by supposing them to move in perfect circlet, concentric to the sun,... | |
 | Charles Hutton - Astronomy - 1815 - 686 pages
...by the force of gravity, no doubt the primary planets are carried about 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, concentric 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... 
