Pluto may be out of the picture but scientists say that our solar system has a new ninth planet called Planet X. This planet is approximately the same size of Neptune and orbits the sun once every 15,000 years.
Solar System Has a New Planet!
Pluto may be out of the picture but scientists say that our solar system has a new ninth planet called Planet X. This planet is approximately the same size of Neptune and orbits the sun once every 15,000 years.