Mean-motion Definition

Mean-motion Sentence Examples

• Eight times the mean motion of Venus is so nearly equal to thirteen times that of the earth that the difference amounts to only the 2.

• Instead of the period it is common in astronomical practice to use the mean angular speed, called the mean motion of the body.

• It follows that putting n for the mean motion and T for the period of revolution we shall have in degrees nT=3600.

• In these cases therefore the mean distance and mean motion are regarded as different elements, and the whole number of the latter is seven.

• Putting a for the mean distance of the earth from the sun, and n for its mean motion in one second, we use the fundamental equation a3 n2 = Mo-1-M', Mo being the sun's mass, and M' the combined masses of the earth and moon, which are, however, too small to affect the result.