BTW, today I came across two interesting quotes by Carl Sagan that describe the size of the universe: "For as long as there been humans we have searched for our place in the cosmos. Where are we? Who are we? We find that we live on an insignificant planet of a hum-drum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people." And the second quote: "The size and age of the Cosmos are beyond ordinary human understanding."

And here is a recent sketch of a landscape from a far away planet somewhere in the universe: