ASTRONAUGHTY

The Moon always shows the same face to Earth—tidal locking. The ultimate case of never turning your back.

✓ TRUE FACT
The Moon’s rotation period matches its orbital period: about 27.3 days. Over time, tidal forces slowed its spin until the same hemisphere consistently faces Earth.

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The Moon always shows the same face to Earth—tidal locking. The ultimate case of never turning your back. | SmartAss Facts