现在，我们讲一下太阳系九大行星
1：水星 : mercury
Nearest to the Sun in all 9 stars
2: 金星：Venus
Second planet nearest to the sun
3:地球：Earth our home planet
4:火星：Mars
5：木星：Jupiter
Biggest planet in our solar system
6：土星：Saturn
7:天王星：uranus
A strange planet.......
8：海王星：Neptune
Aslo a strange planet......
9：冥王星：Pluto
Furthest and smallest planet in our solar system
