 | Peterson's - Education - 2007 - 402 pages
...states that (A) force equals mass times acceleration (B) the square of the period of a planet's obit is proportional to the cube of its mean distance from the Sun (C) the orbit of each planet is an ellipse, and the Sun is at a focus (D) each planet orbits the Sun... | |
 | Lucy Rogers - Mathematics - 2008 - 358 pages
...is related to the average distance it is from the Sun. The relationship is "The square of the period of a planet is proportional to the cube of its mean distance from the Sun". Each orbit can be described by six orbital elements or orbital parameters. These define the size, shape... | |
 | Richard P. Olenick, Tom M. Apostol, David L. Goodstein - Science - 2008 - 602 pages
...THE LAW OF EQUAL AREAS his third law, which states that the square of a planet's period (ie, year) is proportional to the cube of its mean distance from the sun. Figure 23.4 An illustration of Kepler's second law; an imaginary line from the sun to a planet sweeps... | |
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The square of the period of a planet is proportional to the cube of its mean distance from the Sun. 
