Here's a breakdown of the celestial bodies you mentioned:

* Earth: A planet. It orbits the Sun and has cleared its neighborhood of other objects.

* Moon: A natural satellite. It orbits Earth.

* Sun: A star. It is a massive ball of hot gas that produces its own light and heat.

* Planets: Large celestial bodies that orbit a star and have cleared their orbital path of other objects.

Let me know if you have any other questions about space!