8 Сезон
128 Эпизод
С точки зрения науки - Season 7 Episode 14 Эпизод 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.
- Год: 2011
- Страна: United Kingdom, United States of America
- Жанр: Documentary, Sci-Fi & Fantasy
- Студия: National Geographic
- Ключевое слово: technology
- Директор:
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