Apr 09, 2018 on National Geographic (US) at 10:00 PM


Earth protects itself from the sun. The David and Goliath story of Earth’s relationship with its greatest threat, our seemingly benign Sun. The Sun is the big violent boss of the Solar System throwing out devastating particles and energy. Without sev... (more)eral shields, one generated by our unique planetary core, another by our atmosphere, and a third by our interconnected weather systems… life on Earth would never have survived.

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Season 1 Episode 2

Apr 02, 2018

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Season 1 Episode 4

Apr 16, 2018