The moon is a non-luminous object, meaning it doesn't produce its own light. It shines because it reflects sunlight.

Here's why:

* No internal light source: Unlike the sun, which generates light through nuclear fusion, the moon has no internal source of light.

* Reflection: The moon's surface is covered in dust and rocks that are rough and uneven. When sunlight hits these surfaces, it bounces off in many directions, causing the moon to appear luminous.

Think of the moon like a giant mirror, reflecting sunlight back to Earth. This is why we only see the moon when sunlight is hitting it, and why the moon appears to change shape (phases) as the angle of sunlight changes.