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The most widely held theory is that the moon is comprised of partly some object colliding with earth, and taking a chunk of it away. Maybe we should call it earth theif?
Anyhow, what I don't get is if the moon is partly composed of earth, then why aren't the same diversity of elements and compounds found there?
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Which theory fails to account for the exact size and distance compared to the Sun.
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Originally Posted by DuckDuckGo
But then why is there such a big difference between the specific gravity of the Moon (3.33 grams per cubic centimeter) and that of the Earth (5.5 gr.)? Furthermore ...
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Also it rings like a bell.