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How Was The Earth Formed
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Authority Sites
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SPACE.com -- Study: Earth Formed Earlier than Thought
The Earth became a major planetary body much earlier than previously believed, just 10 million years after the birth of the sun, researchers say.
URL: www.space.com/scienceastronomy/earth_age_030606.html
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The Origin of the Moon
At the time Earth formed 4.5 billion years ago, other smaller planetary ... This shows that the moon formed form material formed in Earth's neighborhood. ...
URL: www.psi.edu/projects/moon/moon.html
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