article_snippet: But if that were true, then the moon would also have similar amounts of iron in the moon mantle, as the moon underwent the same bombardment - but this does not appear to be the case.
article_snippet: This led the scientists to the scientists new conclusion - and the scientists add that the moon's gravity would have been too weak for the moon's gravity to have held onto iron rain-bearing vapour, like Earth.
article_snippet: This accounts for the lack of iron seen scattered in the moon's mantle.
article_snippet: According to the scientists, the moon's gravity would have been too weak for the moon's gravity to have held onto iron rain-bearing vapour, like Earth, during the Late Heavy Bombardment period (artist's impression of moon shown).
article_snippet: This accounts for the lack of iron seen scattered in the moon's mantle .