Details
A planet has been predicted to orbit the sun with a period of 10,000 years, a mass 5x that of Earth on a highly elliptical and inclined orbit. What evidence supports the existence of such a strange object at the edge of our solar system?
- Documentary, Reality, Talk
- English
Cast & Crew
- Derek Muller
- Derek Muller
- Derek Muller, Derek Muller, Derek Muller, Derek Muller