The Hunt for the Tenth Planet
- Episode aired Jul 18, 1982
Is there a new planet in the solar system? Many astronomers believe that there is a massive body beyond Neptune, the outermost of the main planets now known: it could be a planet, but it mig... Read allIs there a new planet in the solar system? Many astronomers believe that there is a massive body beyond Neptune, the outermost of the main planets now known: it could be a planet, but it might also be a dark star or a black hole.Is there a new planet in the solar system? Many astronomers believe that there is a massive body beyond Neptune, the outermost of the main planets now known: it could be a planet, but it might also be a dark star or a black hole.