Been posted in various forms numerous times over the years. https://www.hnsearch.com/search#request/all&q=scale+of+the+universe https://www.hnsearch.com/search

Been posted in various forms numerous times over the years. https://www.hnsearch.com/search#request/all&q=scale+of+the+universe https://www.hnsearch.com/search#request/all&q=scale+of+the+u... At least this is the more accurate version at the top end of the scale.