How the Universe Works S5E2
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How the Universe Works
S05E02 — Mystery of Planet 9
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How the Universe Works

S05E02 Mystery of Planet 9

2016-11-29

Title: Enigma of Planet Nine Plot: Astronomers have uncovered an enigmatic ninth planet located at the farthest reaches of our solar system. This colossal body, measuring ten times greater than Earth, may host moons that harbor alien life forms.

Season 5 Episodes

1
Most Amazing Discoveries
2016-11-22
 2
Mystery of Planet 9
2016-11-29
 3
Black Holes: The Secret Origin
2016-12-06
 4
Secret History of Pluto
2017-01-03
 5
Stars That Kill
2017-01-10
 6
The Universe's Deadliest
2017-01-17
 7
Life and Death on the Red Planet
2017-01-24
 8
The Dark Matter Enigma
2017-01-31
 9
Strangest Alien Worlds
2017-02-07