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Earth’s ocean tides result from an intricate dance of forces and motions. The Moon plays a starring role.
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Like Earth, the Moon has a day side and a night side, which change as the Moon rotates.
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Diagram of the Moon's phases
Moon Phases
Between four and seven times a year, Earth, Moon and Sun line up just right to create the cosmic-scale shadow show known as an eclipse.
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Eclipses