Saturn is not a solid planet. It's a gas giant, primarily composed of hydrogen and helium.

Here's a breakdown:

* Gas Giant: Saturn is a giant planet with a thick atmosphere made up mostly of hydrogen and helium, with trace amounts of other gases like methane and ammonia.

* No Solid Surface: Saturn doesn't have a solid surface like Earth. As you descend deeper into its atmosphere, the gas becomes denser and eventually transitions into a liquid state.

* Rocky Core: It's believed that Saturn has a small, dense, rocky core at its center, but this core is buried deep beneath layers of gas and liquid.

So, while we see Saturn's beautiful rings and colorful clouds, these are just the outer layers of a massive, swirling ball of gas and liquid.