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| Description: Lunar motions Earth-Moon The difference of two days between the synodic and sidereal cycles is due to the Earth-Moon system also moving in an orbit around the Sun Moon’s period of rotation about its axis and its revolution around Earth are the same, 27 1/3 days Causes the same lunar hemisphere to always face Earth Phases of the Moon When viewed from above the North Pole, the Moon orbits Earth in a counterclockwise (eastward) direction The relative positions of the Sun, Earth, and Moon constantly change Lunar phases are a consequence of the motion of the Moon and the sunlight that is reflected from its surface Picture Stats: Views: 340 Filesize: 475.03kB Height: 956 Width: 887 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39658 |