The Sun is the center of our Solar System.
All the other planets moons, and other bodies orbit around it.

Mercury is the first planet from the Sun.
It's the closest planet to the sun, but it is not the hottest.

Venus is the second planet to the Sun.Is it even hotten then Mercury.

Earth is our planet.
It is the third planet from the Sun.
It is only place in the Solar System where things can live 

Jupiter is the biggest planet in the Solar System.
It is the 5th planet from the Sun.

Saturn is the 6th planet from the Sun like Jupiter , it is made of gas not rocks.

Uranus,is the 7th planet , was the first planet discovered with a telescope.