The Planets and Beyond S01E05 - Planet 9: The Lost World
The Planets and Beyond (2017)
S01E05 Planet 9: The Lost World
Episode Overview
Astronaut Mike Massimino explores the intriguing idea of a massive ninth planet lurking at the far reaches of our solar system. Employing cutting-edge technology, he uncovers astonishing secrets about this enigmatic celestial body.