Quote:
Originally Posted by kennyc
Thanks Harry, yep, the convincing evidence for me are more the computer simulations of potential impact conditions (impactor size, angle, etc.) It is thought that this same impact is responsible for the 23 degree tilt of Earth, giving us our seasons.
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The real clincher is the fact that the moon has no metallic core, as it would have had if it had been formed
in situ. It is entirely composed of rock similar to that of the Earth's crust.