Moon
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Diameter about 2,160 miles; mean distance from the earth, 238,800 miles; average velocity of revolution, 2,280 miles per hour; sidereal period of revolution, 27d. 7h. 43m.; mean apparent diameter, 32 min.
Diameter about 2,160 miles; mean distance from the earth, 238,800 miles; average velocity of revolution, 2,280 miles per hour; sidereal period of revolution, 27d. 7h. 43m.; mean apparent diameter, 32 min.