We have nine planets in our Solar System. These planets circle around the sun (as I’m sure you know already) this is called orbits. A lot of astronomy people like to think of the Solar System been made up in two parts We have the Inner Solar System which has Mercury, Venus, Earth and not forgetting Mars.
The planets in our solar system are shown from top to bottom: Mercury, Venus, Earth (and our moon), Mars, Jupiter, Saturn, Uranus, and Neptune.