but wouldnt those objects that travel faster then light being on the edge of the expansion be physical , i.e be made of mater , how about relativity ?

you are assuming you are at the center of it all , we are not , we see the "visible universe" basically a bubble within the universe, but there is older light that hasn't got to us yet , some will never get to us

man those are galaxies , i find the picture freaking amazing