its not different at all they are just outer planets
No. All planets are spherical.
they are all different sizes
No that's what the four outer planets are called.
They are all bigger
Different planets have all sorts of different gasses Jupiter and Saturn are both gas giants and have many different gasses.
Planets have to go in different directions all the time because they all follow orbits that are more or less circular.
No. Planets form by a process called accretion, which is driven by gravity. Nobody creates planets.
The inner planets are small and rocky, the outer planets are much larger and have no solid surface, they are called the gas giants.
They all are different colors
If you mean all our planets and comets, it's called the Sun. It is called "The Solar System".
The sun is a star and the planets are made out of gas and all other things.