How the Universe Works S5E2 - Mystery of Planet 9
8.3/10 by 116 users
Scientists have discovered a mysterious ninth planet on the very edge of our solar system. Ten times the size of Earth, this strange world could have moons with extraterrestrial life.
| Released | Apr 25, 2010 |
|---|---|
| Runtime | 42min |
| Genre | Documentary |
| Actor | N/A |
| Director | N/A |
| Production | Discovery |
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