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The Moon's Orbit and Rotation. It takes the Moon 27.322 days to go around the Earth once. Because of this motion, the Moon appears to move about 13 against the stars each day, or about one-half degree per hour.
Each rotation of the Earth takes approximately 24 hours. The Earth's rotation causes alternation of light and darkness which influences, temperatures, wind movements, and humidity. It takes approximately 365 days for the Earth to complete one revolution around the Sun. Because the Earth takes an elliptical path around the Sun, its distance from the Sun will vary.