8 Stagione
114 Episodiu
Naked Science - Season 7 Episode 14
Thousands of miles below the Earth's surface, a molten core generates a magnetic shield to protect us from solar radiation. But the protection could be fading and may be a sign that the magnetic poles are on the verge of flipping.
- Annu: 2011
- Paese: United Kingdom, United States of America
- Genre: Documentary, Sci-Fi & Fantasy
- Studio: National Geographic
- Parolla chjave: technology
- Direttore:
- Cast: