SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/aero-moon-same-side

Why do we always see the same side of the Moon?

It spins once each time it orbits Earth, so one side always faces us.

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  1. The Moon does not spin at all
  2. Its spin matches its trip around Earth ✔
  3. The far side is always in shadow

Why: The Moon turns on its axis at the same rate it travels around Earth. This is called synchronous rotation. So the same half faces Earth all the time.

Huh, didn't know that: The far side is not dark. It gets sunlight too. People first saw it when a Soviet spacecraft flew past in 1959.

The dad joke
Why is the Moon so good at photos? It only ever shows its good side.
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References

Answer: Its spin matches its trip around Earth. The Moon turns on its axis at the same rate it travels around Earth. This is called synchronous rotation. So the same half faces Earth all the time.

  1. NASA Science: Earth's Moon Facts science.nasa.gov/moon/facts
    The Moon is rotating at the same rate that it revolves around Earth
    Checked 2026-10-10.

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