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" The square of the period of a planet is proportional to the cube of its mean distance from the Sun. "
The Earth and the Stars - Page 246
by Charles Greeley Abbot - 1925 - 264 pages
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Popular Astronomy

Simon Newcomb - Astronomy - 1878 - 616 pages
...found it to be as follows: Third law of planetary motion. The square ofthe time of revolution of each planet is proportional to the cube of its mean distance from the sun. This law is shown in the following table, which gives (1) the mean distance of each planet known to...
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Popular Astronomy

Simon Newcomb - Astronomy - 1879 - 626 pages
...found it to be as follows: Third law of planetarg motion. The square of the time of revolution of each planet is proportional to the cube of its mean distance from the san. This law is shown in the following table, which gives (1) the mean distance of each planet known...
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Astronomy for High Schools and Colleges

Simon Newcomb, Edward Singleton Holden - Astronomy - 1881 - 544 pages
...the times of revolution of the separate planets. III. The square of the time of revolution of each planet is proportional to' the cube of its mean distance from the sun. These three laws comprise a complete theory of planetary motion, so far as the main features of the...
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The Kansas City Review of Science and Industry, Volume 7

1884 - 864 pages
...by astronomers ; and here are several versions : I. " The square of the time of revolution of each planet is proportional to the cube of its mean distance from the sun." Newcomb and Holden's Astronomy, p. 125. II. " The squares of the periodic times of any two planets...
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Is the Copernican System of Astronomy True?

W. S. Cassedy - Solar system - 1888 - 236 pages
...deduced from Kepler's third law, which is as follows : "The square of the time of revolution of each planet is "proportional to the cube of its mean distance from the "run." M. Biot — Sec. 433 — details the method by which Kepler found this law, namely : "By comparing...
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Bizarre; Notes and Queries; a Monthly Magazine of History, Folk ..., Volumes 7-8

1890 - 580 pages
...to the sun) passes over equal areas in equal times. 3. The square of the time of revolution of each planet is proportional to the cube of its mean distance from the sun. — Popular Astronomy, pp. 69-70. By Simon Newcomb, New York, 1878. KIRKWOOD'S LAWS. Let P be the point...
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Sotheran's Price Current of Literature, Issues 770-771

Catalogs, Booksellers' - 1918 - 334 pages
...11. Ball), containing for the first time his ' third law' : The square of a planet's periodic time is proportional to the cube of its mean distance from the sun. As is well known, his three laws .formed the groundwork of Newton's discoveries, and are the starting...
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A Text-book of General Physics for the Use of Colleges and Scientific Schools

Charles Sheldon Hastings, Frederick Elijah Beach - Physics - 1898 - 788 pages
...and that of the planet) describes equal areas in equal times. III. The square of the period of any planet is proportional to the cube of its mean distance from the sun. 45 any approximately spherical and homogeneous body might be treated as if condensed at its center,...
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A Text-book of General Physics for the Use of Colleges and Scientfic Schools

Charles Sheldon Hastings, Frederick Elijah Beach - Physics - 1899 - 784 pages
...and that of the planet) describes equal areas in equal times. III. The square of the period of any planet is proportional to the cube of its mean distance from the sun. 45 any approximately spherical and homogeneous body might be treated as if condensed at its center,...
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A History of Physics in Its Elementary Branches: Including the Evolution of ...

Florian Cajori - Physical laboratories - 1899 - 342 pages
...Halley, Wren, and others, that if Kepler's third law (the square of the time of revolution of each planet is proportional to the cube of its mean distance from the sun) was true, then the attraction between the earth and other members of the solar system varied inversely...
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