Question

Why the moon takes same time for rotation and revolution?

Answer 1

The moon keeps the same face pointing towards the Earth because its rate of spin is tidally locked so that it is synchronized with its rate of revolution (the time needed to complete one orbit). In other words, the moon rotates exactly once every time it circles the Earth.

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Answer 2

The Moon is in synchronous rotation, meaning that it keeps the same face toward Earth at all times.Because the lunar orbit is also inclined to Earth's ecliptic plane by 5.1°, the rotational axis of the moon seems to rotate towards and away from Earth during one complete orbit.