 | Robert Stawell Ball - 1877 - 180 lapas
...orbit of which the radius were 44'54 times that of the earth's orbit. According to Kepler's third law, the square of the periodic time is proportional to the cube of the distance ; consequently, since the earth revolves around the sun in one year, it follows that a planet... | |
 | Globe encyclopaedia - 1878 - 666 lapas
...small arcs were nearly proportional to the distances of the planet from the sun. The third law, that the square of the periodic time is proportional to the cube of the mean distance from the sun, was discovered only after numerous efforts to establish other numerical relations which... | |
 | Robert Stawell Ball - 1880 - 482 lapas
...which the radius were twenty-eight times that of the earth's orbit. According to Kepler's third law, the square of the periodic time is proportional to the cube of the distance. Consequently, since the earth revolves around the sun in one year, it follows that a planet... | |
 | 1889 - 242 lapas
...mean distance of the planets, and after twenty-two years of vigorous application he discovered that the square of the periodic time Is proportional to the cube of the mean distance. These discoveries, great a« they undoubtedly are, are rendered still more so when we take Into account... | |
 | Robert Stawell Ball - 1892 - 210 lapas
...orbits being double the other, the periodic times could not be equal, for Kepler's law tells us that the square of the periodic time is proportional to the cube of the mean distance. Suppose, then, that the distance of the first planet is I, and that of the second planet is 2, the... | |
 | John Clark Ridpath - 1897 - 496 lapas
...nearly proportional to the distances of the planet from the sun. The third law, that the square or the periodic time is proportional to the cube of the mean distance from the sun, was discovered only after numerous efforts to establish other numerical relations which... | |
 | Richard Glazebrook - 1922 - 1094 lapas
...2w — 1, .-. xJ, y--s-4, « -- 1, From which Kepler's Third Planetary Law follows immediately, that the square of the periodic time is proportional to the cube of the major axis of the orbit. But it is not in the field of pure dynamics that the method here developed... | |
 | Percy Williams Bridgman - 1922 - 136 lapas
...our final result is merely an arbitrary function of m^/m,, which we write as <t> I—?). \mj That is, the square of the periodic time is proportional to the cube of the distance of separation, and inversely as the gravitational constant, other things being equal. We can,... | |
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s third law: that the square of the periodic time is proportional to the cube of the mean distance (or the semimajor axis). This was published in 1619 in Harmonices Mundi, "The Harmony of the World... 