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Originally Posted by aurora
I wonder if the way to test this theory would be to get samples from the far side of the moon (not an easy feat) and see if the percentages are less than those in the Apollo samples (which came from the near side).
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That sounds reasonable.
The article states; "The Moon was formed at high temperatures, and should thus be depleted in volatile elements, including nitrogen, carbon, hydrogen and the six "noble" gases, helium, neon, argon, krypton, radon and xenon.
However,
all these elements have been found in the lunar soil, which suggests that the source came from elsewhere."
It also suggests to me that the original hypothesis (that it formed at high temperatures) may be wrong.
G^2