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How many times does the Moon rotate on its axis during one orbit around Earth?
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The Moon rotates on its axis once for each orbit it completes around the Earth, which is why we always see the same side of the Moon from our vantage point. This phenomenon is known as synchronous rotation or tidal locking. The gravitational forces between the Earth and the Moon have caused this synchronization over millions of years, resulting in the Moon's rotation period matching its orbital period of about 27.3 days. This unique relationship allows astronomers to study the Moon's surface and understand its history, as well as the dynamics of other celestial bodies that exhibit similar behavior.