SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/kid-moon-reflects-sun

The full moon looks bright at night. Where does its light come from?

It is sunlight bouncing off the moon.

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  1. Its own glowing rocks
  2. Light from Earth's cities
  3. Sunlight bouncing off it ✔

Why: The moon does not make its own light. Sunlight hits the moon and bounces to our eyes.

Huh, didn't know that: In our solar system, the only object that shines with its own light is the Sun.

The dad joke
Why did the moon skip dinner? It was already full.
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References

Answer: Sunlight bouncing off it. The moon does not make its own light. Sunlight hits the moon and bounces to our eyes.

  1. NASA Science: Moon Phases science.nasa.gov/moon/moon-phases
    The Moon does not make its own light. "Moonlight" is actually reflected sunlight.
    Checked 2026-10-11.

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That's stuff everyone should know.