Weather Ch. - Secrets of the Earth Series 1 (2013) Part 7 Magnetic Shield

Secrets of the Earth Series 1

“Secrets of the Earth” explores our planet with the same sense of awe and wonder normally reserved for alien worlds. Computer graphics, visual analogies and expert scientists combine to reveal amazing, little-known aspects of the world, from canyons of gravity that warp space and time to rain triggered by cosmic rays.

Part 7 Magnetic Shield

Earth's metallic core makes the planet a huge magnet, generating a magnetic field that protects us from dangerous cosmic rays and solar energy.

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