Think of a black hole as [edit] a region of [/edit] the entire universe curling 'up' to an edge. Nothing within the universe escapes the edge, but the curl of s

Think of a black hole as [edit] a region of [/edit] the entire universe curling 'up' to an edge. Nothing within the universe escapes the edge, but the curl of spacetime has a way of pulling additional matter-energy into it.