No. of Recommendations: 4
RE: the edge of the universe...
We almost certainly have not seen it, and never will. I read something a few years ago that said we are living in a relatively unique time. We can see billions upon billions of galaxies. But even now, they are disappearing from our view. They are accelerating away from us so quickly that their light just doesn't reach us anymore, and they disappear from view. Sometime in the future, I forget how long, you'll look up at the night sky and see only a few galaxies (maybe even only our own), and without records from earlier peoples (like us) you would never know there was anything out there. And you would never know the universe was/is expanding.
Regarding the earlier comment that we don't see galaxies everywhere; yes we do. They pointed Hubble at an empty bit of sky. Nothing of consequence had ever been seen there. And they did a long exposure. They were shocked to find the field full of galaxies, never before seen.
https://en.wikipedia.org/wiki/Hubble_Ultra-Deep_Fi...There are likely more galaxies than there are stars in our own galaxy. So, yes, we are not really special. There likely are other civilizations out there pondering the same things we are. Can't prove it, but it seems particularly unlikely that we are the only ones in all those billions of galaxies (each containing billions of stars).
