Naked Science: The Birth of the Earth
Posted on: December 27, 2005
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Using a supercomputer to model the dynamics, scientist Robin Canup shows how the moon might have been formed when the Earth collided with another body about the size of Mars.
How did Earth evolve to support such a diversity of living creatures, including humans, requiring special living conditions to survive? An imaginary "human" time traveler takes us on a journey back to the moment our solar system was born.