The moon itself doesn't produce light. It's illuminated by the sun! Here's how it works:

* Sunlight: The sun is a giant ball of burning gas that emits light and heat.

* Reflection: The moon's surface is covered in dust and rock, which reflect sunlight.

* Moonlight: The reflected sunlight is what we see as moonlight.

Think of it like a mirror reflecting sunlight. The moon isn't creating its own light, it's simply reflecting the light from the sun.

That's why we only see the moon when it's facing the sun, and why the moon appears to change shape (phases) throughout the month. It's all about how much of the sunlit side of the moon we can see from Earth!