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Science Channel

Astronaut Mike Massismino uncovers the violent secrets of the most deadly planets outside the solar system.

The Planets and Beyond

Alien Planets: Cosmic Nightmares

Astronaut Mike Massimino uses the latest science to reveal the strange secrets of planet Earth, and explores whether alien Earths exist elsewhere in the universe.

Earth: The Secret History

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Astronaut Mike Massimino guides an exploration to the planets in our solar system and beyond; from the Gas Giants to mysterious exo-planets light years away, this is the definitive series about alien worlds.

S2 E1 | Earth: The Secret History