I would think it has. It has been collecting particles for a long time.<quoted text>
Check out Neal Adams video on you tube, IS THE EARTH GROWING. Its neat to watch
Had a guy on PTAG calculate for me the amount of matter collected over the eons based upon what we get now, using the average density of the earth as a guide to volume. Can't remember if it was 150 feet or 150 miles globally. Pretty sure it was miles.
But the thing is it was mostly in the form of plasma, which when it gets neutral or combines with existing relatively neutral matter, is like a foam. A bucketful of protons will occupy a LOT more volume after it is added to the mix.