Planets in the universe is composed of eight major planets currently daitur by the world's space systems. It has also drawn protests some time ago when one of the planet is not appropriate as a planet because of their small size.

According to the IAU (International Astronomical Union) in accordance with the new definition, then there are eight planets in the Solar system:

1. Mercury
2. Venus
3. Earth
4. Mars
5. Jupiter
6. Saturn
7. Uranus
8. Neptune