The prevailing theory about how the moon formed was that a hypothetical Mars-sized planet dubbed Theia collided with Earth about 4.5 billion years ago. The moon then formed from the debris of the crash. Problem is, there should be some evidence of the impact in the moons chemical make-up and the lunar samples scientists have looked at are all pretty Earth-like...until now. Check out how these lunar rocks may serve as the best clues to the moons formation.
Posted on: Fri, 06 Jun 2014 11:30:07 +0000
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