Season 1 · Episode 8
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The Moon: Earth's Guardian Angel
Tue, Oct 10, 2017
Astronaut Mike Massimino reveals the mysterious secrets of the moon, a world permanently tied to Earth; using new research, he uncovers the mysterious origin of the moon and how it kick-started life on Earth.
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Airs
Tue, Oct 10, 2017
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The Planets
23 episodes
Episode
S1 · E8
in The Planets
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S2 · E1
Earth: The Secret History
Tue, Mar 20, 2018