The Solar System is System of planets in space. Earth so far is the only planet in Space to have Known life support.
The Solar System begin when the Sun was just a nebula and there was lots of gas (Helium and Hydrogen basicly) and Gravity (a phenomenom known to capture stuff make them stick to surface) that's when Gravity tried to make it all get into one blob (Known as The Sun) to create the Sun.
The Rocky planets
The Gas Planets
The Dwarf Planets