関連ワード:
is the inner core the thickest layer is the inner core the densest layer is the outer core the thickest layer is the inner core the thinnest layer is the outer core the densest layer is the outer core the thinnest layer is the inner core the thickest layer of the earth is the outer core the second thickest layer is the inner core the densest layer of the earth is the mantle the thickest layer
