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Season Premiere

Talking Pictures: Season 2005

2005x01 Earth's Core

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  • 2005-01-05T00:00:00Z
  • 30 mins
  • Australia
  • English
  • Documentary
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The Earth's core is some 4000 miles beneath our feet. Beneath the rocky surface lies massive amounts of liquid metals that generate a protective magnetic field. That field shields the planet from dangerous space radiation. Without it, Earth would be as barren as Mars. But with the inner core cooling, is that scenario inevitable?

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