Could the Event Horizon of black holes be the edge of expanding universes?

[alexandersteele]

I recently read a few articles that contradict Einstein's Singularity theorem. The idea being that black holes are wormholes to other universes; with a white hole on the other side of the black hole (Poplawski's theory). What if instead of being a portal to another universe, the Event Horizon of a black hole is the physical edge to a universe. I'm hardly a professional physicist and have little to none experience with calculus, so I was wondering if anyone knows of anyone who has tried to calculate: The average expansion rate of an Event Horizon, in comparison to, our universes expansion rate but to the scale of an average Event Horizon. Would this calculation provide evidence for this theory? Any feedback would be much appreciated.

 

[PeterDonis]

Hi alexandersteele, and welcome to PF!

I recently read a few articles that contradict Einstein's Singularity theorem.

Please give links. As you admit, you are not a professional physicist, so it's quite possible that you are misinterpreting what the articles are saying (which is not a problem in itself, these are complex subjects and it's easy to misinterpret if you're not familiar with them, but you should be aware that it can happen). One red flag for me that you might be misinterpreting is that you say they "contradict Einstein's Singularity Theorem", which looks wrong in two ways: first, the theorems (plural, there are more than one) weren't Einstein's (Hawking and Penrose proved the main ones), and second, they are theorems, whose proofs have been checked many times, so I seriously doubt a reputable physicist would contradict them--instead, most likely the article is talking about a scenario, such as quantum gravity, where the assumptions of the theorems do not hold. If we have the original articles, it's a lot easier to tell what's going on.

The average expansion rate of an Event Horizon, in comparison to, our universes expansion rate but to the scale of an average Event Horizon.

This doesn't make sense, which is another reason why I strongly suspect you are misinterpreting the articles you refer to (and why we need links to the originals).