I think 2,5,1 but im not sure
Our solar system is located in the outer reaches of the Milky Way Galaxy. The Milky Way contains over 200 billion stars. Most of the star's are not visible from Earth. Almost everything that we see in the sky belongs to the Milky Way Galaxy.
The 6th planet from the sun is Saturn. Here is a picture of all of the 8 planets from the sun.
The Crust is the layer that experiences the least amount of pressure