I just can't wrap my brain around that concept. My brain can only accept forward, backward, up, down, left and right. If I'm at the end of the universe there has to be a direction that I look at that contains nothingness.......
I guess that's why Einstein never returned my calls or PHD physicists never returned my letters and asked me for advice....and my Geometry teacher flunked me...LOL!
You would not see an edge. It would just look like more space. If you actually could keep going you would come back to the solar system.
I thought space curvature was still an open question?
And there is the type of curvature too!