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Topic: Keely Astronomy Stack Section: Proposition 1 Table of Contents to this Topic |
PROPOSITION I The respective and relative motion of three gravitating bodies revolving together and about each other, is as four to three, or one and one-third of one primary circumference. First Proportion: As one primary circumference of a circle is to the moon's time about the earth, so is the moon's time about the earth to the earth's time about the sun. Second Proportion: The square of the diameter of the moon is to the square of the diameter of the earth, as the moon's time around the earth is to the earth's time round the sun, - the time here meant being circular time, as before. |
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