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Title: The reason why the inner planets are mostly rock and iron and the outer planets are mostly lighter ... Post by: staedtler on Mar 21, 2017 The reason why the inner planets are mostly rock and iron and the outer planets are mostly lighter material like hydrogen and ices is that
(a) the inner solar system was warm enough that the lighter material vaporized (or never solidified), leaving rock and iron to form the inner planets. (b) rock and iron are heavy and sank towards the center of the solar system. (c) rotation in the solar nebula flung the lighter materials into the outer solar system, leaving the heavier rock and iron to form the inner planets. Title: Re: The reason why the inner planets are mostly rock and iron and the outer planets are mostly ... Post by: hyponotica on Mar 21, 2017 Content hidden
Title: Re: The reason why the inner planets are mostly rock and iron and the outer planets are mostly lighter ... Post by: staedtler on May 1, 2017 :raised_hands:
Correct :) |