 | Encyclopaedia Americana - 1832 - 620 pages
...cf our whole planetary system, as, according to the second law of Kepler (qv), the cubes of the mean distances of the planets from the sun are as the squares of the periods of their revolutions (which have long been known). Therefore the determining of this distance... | |
 | Francis Lieber, Edward Wigglesworth - Encyclopedias and dictionaries - 1835 - 620 pages
...of our whole planetary system, as, according to the second law of Kepler (qv), the cubes of the mean distances of the planets from the sun are as the squares of the periods of their revolutions (which have long been known). Therefore the determining of this distance... | |
 | Joseph Denison - Astronomy - 1842 - 56 pages
...discovered by Kepler in the beginning of the seventeenth century, viz., that the cubes of the mean distances of the planets from the Sun are as the squares of their periodic times, is found to be invariably consistent with observation, and is therefore so firmly established,... | |
 | John Hunter (of Uxbridge.) - 1847 - 266 pages
...264. Kepler's Third Law. Newton demonstrated the law ascertained by Kepler, that the cubes of the mean distances of the planets from the Sun are as the squares of their times of revolution. Examp. If the Earth's mean distance from the Sun be 95071447 miles, and its sidereal... | |
 | Francis Lieber - Encyclopedias and dictionaries - 1851 - 618 pages
...of our whole planetary system, as, according to the second law of Kepler (qv), the cubes of the mean distances of the planets from the sun are as the squares of the periods of their revolutions (which have long been known). Therefore the determining of 'this distance... | |
 | Franz Brünnow - 1865 - 584 pages
...the sun can be found by means of the third law of Kepler, according to which the cubes of the mean distances of the planets from the sun are as the squares of the times of revolution. Thus from this determination the parallax of the sun was found equal to 9".... | |
 | Isaac Newton, Percival Frost - Celestial mechanics - 1878 - 326 pages
...each others orbits, the statement of Kepler's third law should be amended to " The cubes of the mean distances of the planets from the sun are as the squares of the periodic times multiplied into the sum of the masses of the sun and the planet. 13. Prove that,... | |
 | Isaac Newton - Curves, Plane - 1900 - 320 pages
...each others orbits, the statement of Kepler's third law should be amended to " The cubes of the mean distances of the planets from the sun are as the squares of the periodic times multiplied into the sum of the masses of the sun and the planet. 13. Prove that,... | |
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... equal to 215 times the radius of the earth, which explains the difference in the statements of the distance. This distance having been ascertained with tolerable accuracy, we possess the measure of our whole planetary system, as, according to the... 