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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... "
Elementary algebra: with brief notices of its history - Page 5
by Robert Potts - 1879
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Historical, genealogical, and classical dictionary, Volume 2

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....
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A New and General Biographical Dictionary: Containing an ..., Volume 8

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...
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An Historical and Classical Dictionary: Containing the Lives and Characters ...

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...
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Encyclopædia Britannica: Or, A Dictionary of Arts ..., Volume 13, Part 1

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...
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The Mathematical Principles of Natural Philosophy, Volume 1, Issue 1

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...
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General Biography: Or, Lives, Critical and Historical, of the Most ..., Volume 7

John Aikin - Biography - 1808 - 730 pages
...planets are carried round the sun by the like power ; and, by comparing the periods of the several planets with their distances from the sun, he found,...the orbits of the greatest part of them, do not much differ. Supposing, therefore, the power of gravity, when extended to the moon, to decrease in the same...
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The British Plutarch [by T. Mortimer].

Thomas Mortimer - 1808 - 496 pages
...primary planets are carried round the sun by the like power ;.and by comparing the periods of the several planets with th'eir distances from the sun, he found...distance. This he concluded, by supposing them to more in perfect circles concentrical to the sun, from which the orbits of the greatest part of them...
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Characteristic Anecdotes of Men of Learning and Genius: Natives of Great ...

John Watkins - Authors, English - 1808 - 568 pages
...planets must be carried round the sun by the like power. And by comparing the periods of the several planets, with their distances from the sun, he found,...of distance. This he concluded, by supposing them in perfect circles concentric to the sun, from which the orbits of the greatest part of them do not...
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Pantologia. A new (cabinet) cyclopædia, by J.M. Good, O. Gregory ..., Volume 8

John Mason Good - 1819 - 788 pages
...planets .ire carried about tlie sun by the like power; and by comparing the periods of the several planets with their distances from the sun. he found,...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,...
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A Philosophical and Mathematical Dictionary: Containing an ..., Volume 2

Charles Hutton - Astronomy - 1815 - 686 pages
...planets are carried about the sun by the like power ; and, by comparing the periods of the several planets with their distances from the sun, he found,...concluded, by supposing them to move in perfect circles, concentric to the sun, from which the orbits of the greatest part of them do not much differ. Supposing...
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