* Sunlight: The Sun is a massive star that emits a tremendous amount of light and heat. This light travels through space and reaches our solar system.
* Reflection: When sunlight hits the Moon or a planet, it bounces off their surfaces. This reflected light then travels towards Earth.
* Our Eyes: Our eyes are designed to detect this reflected light. When the reflected light from the Moon or a planet enters our eyes, it creates an image in our brain, allowing us to see them.
Important Notes:
* The Moon: The Moon doesn't emit its own light, it only reflects sunlight.
* Planets: Planets also reflect sunlight, but some are much brighter than others. This depends on their size, composition, and how much sunlight they receive.
* Distance: We can only see the Moon and planets because they are relatively close to Earth. Stars are much farther away, and their reflected light is too faint for us to see without telescopes.
Let me know if you have any other questions about space!