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Inner Core Formation
There have been many estimates for when the earth's inner core was formed, but scientists have used new data which indicates that the Earth's inner core was formed 1-1.5 billion years ago as it 'froze' from the surrounding molten iron outer core. -
End of Heavy Bombardment
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Outer Crust Formation
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Formation of the Moon
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Formation of Earth
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Period: to
First billion years of earth
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Period: to
Hadean
