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" The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun. "
The Mechanics' Magazine - Seite 274
1855
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An Elementary Treatise on Rational Mechanics: By the Rev. John Kerr

John Kerr - 1866 - 358 Seiten
...ellipse, in which the Sun occupies one focus. (3.) The squares of the periodic times of the planets are proportional to the cubes of their mean distances from the Sun. Each of the smaller systems constituted by a planet and its satellites is subject to the same three...
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Catholic World, Band 4

1867 - 878 Seiten
...his remarks on the Third Law of Kepler, namely, that the squares of the times of planetary revolution round the sun are proportional to the cubes of their mean distances from that central luminary, Sir J. Ilerschel has the following pertinent observations. " Of all the laws...
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Elements of Astronomy: Designed as a Text-book for Academies, Seminaries ...

John Davis - 1867 - 384 Seiten
...passes over equal areas in equal periods of time. 3. The squares of the periodic times of the planets are proportional to the cubes of their mean distances from the sun. Anterior to the promulgation of the Copernican theory of planetary motion, the circle, and the circle...
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Smith's Illustrated Astronomy: Designed for the Use of the Public Or Common ...

Asa Smith - 1868 - 86 Seiten
...is the third law ? A. It is that the squares of the times of the revolutions of the planets around the sun, are proportional to the cubes of their mean distances from the sun. THE MEAN AND THUE PLACE OF A PLANET. Q. What is the mean place of«the earth, or a planet in its orbit...
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All the Year Round, Band 19

Charles Dickens - 1868 - 680 Seiten
...of the di licrent planets round the sun, had discovered that tin- squares of the times of revolution are proportional to the cubes of their mean distances from the sun. It is possible, moreover, to caleulate for each of the planefs (as already indicated for the moon)...
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All the Year Round, Bände 19-20

1868 - 1236 Seiten
...of the diii'ereiit planets round the sun, had discovered that the squares of the times of revolution are proportional to the cubes of their mean distances from the sun.. It is possible, moreover, to calculate for each of the planets (as already indicated for the moon)...
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School Atlas of Astronomy: Comprising, in Twenty-one Plates, a Complete ...

Alexander Keith Johnston - 1869 - 168 Seiten
...will sweep over equal areas in equal times. 3. The squares of the times of revolution of the planets are proportional to the cubes of their mean distances from the sun. The first of these theorems defines the form of the curve in which the planet revolves, and its position...
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Strange footsteps; or, Thoughts on the providence of God, by C. and H. Kendall

Charles Kendall, rev. Henry Kendall - 1871 - 330 Seiten
...equal areas in equal times, and the third that the squares of the times in which the planets revolve round the sun are proportional to the cubes of their mean distances from the centre. The shadow of eclipse first stains the bright disk of sun or moon at the appointed moment to...
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The Builders of Babel

Dominick M'Causland - 1871 - 360 Seiten
...proportional to the times of describing them. 3rd. That the squares of the periods of different planets are proportional to the cubes of their mean distances from the sun. The first law determines the figure of the orbit, the second regulates the velocity of the planet,...
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A Dictionary of Science: Comprising Astronomy, Chemistry, Dynamics ...

George Farrer Rodwell - 1871 - 620 Seiten
...equal times. 3. The squares of the period of complete revolution, or periodic times of any two planets are proportional to the cubes of their mean distances from the sun. (See Central Forces.) KETONE. See Acetone. KILOGRAMMETRE. The French unit used in estimating the mechanical...
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