* Jupiter
* Saturn
* Uranus
* Neptune
These outer planets are known as gas giants because they are primarily composed of gas, unlike the inner planets which are primarily rocky.
Here's a breakdown:
Inner Planets (Terrestrial):
* Mercury
* Venus
* Earth
* Mars
Outer Planets (Gas Giants):
* Jupiter
* Saturn
* Uranus
* Neptune
Let me know if you have any other questions!