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## Main Question or Discussion Point

First of all, I'd like to say that I am 16 years old and have received no formal training or education in the field of cosmology or astrophysics. All the information I obtain is through this fine forum and books I've read, so forgive me if this is a ridiculous thought.

I was thinking about the origin and possible fate of the universe the other day and came up with this idea. I've heard that some people theorize that black holes can be compared to a wormhole, with the difference being a black hole could possible be stable as opposed to actual wormholes. The theory goes onto state that any information unlucky enough to fall into the gravitational field of a black hole, could possibly be ejected from a white hole in another dimension of the universe. I made the following idea based on the assumption that this is a valid way of thinking. I imagined the birth of the universe as a point in the middle of an empty sphere. At the point of the big bang, everything started moving away from each other in all directions. I thought of the possibility of the objects reaching the "edge" of the sphere and bouncing off, heading back toward the point at which it was created. It is my understanding that the universe would become more and more dense as it condensed back to it's origin. That said, it is also my understanding that a large amount of gravitational pull would come as a result near the origin. I theorize that based on the aforementioned assumptions, that as the matter reaches the origin, a black hole or something similar is there to "swallow" the matter so to speak. If white holes eject matter that a black hole has captured, could it be possible that the matter is ejected in a nearby sphere (in a situation similar to the bubble theory [I think it is called]), and the process could essentially repeat itself.

If that is the case, then would it be logical to say that the known universe is essentially finite, but the universe overall is infinite as it is recycled.

As I said, this may be a ridiculous theory, but the idea just came to me based on what I've heard. I've read a bit on the universe being recycled but I'm not sure how valid it is.

In conclusion, I was simply wondering if any of this was probable or if it was a ridiculous thought. Thanks in advance.

I was thinking about the origin and possible fate of the universe the other day and came up with this idea. I've heard that some people theorize that black holes can be compared to a wormhole, with the difference being a black hole could possible be stable as opposed to actual wormholes. The theory goes onto state that any information unlucky enough to fall into the gravitational field of a black hole, could possibly be ejected from a white hole in another dimension of the universe. I made the following idea based on the assumption that this is a valid way of thinking. I imagined the birth of the universe as a point in the middle of an empty sphere. At the point of the big bang, everything started moving away from each other in all directions. I thought of the possibility of the objects reaching the "edge" of the sphere and bouncing off, heading back toward the point at which it was created. It is my understanding that the universe would become more and more dense as it condensed back to it's origin. That said, it is also my understanding that a large amount of gravitational pull would come as a result near the origin. I theorize that based on the aforementioned assumptions, that as the matter reaches the origin, a black hole or something similar is there to "swallow" the matter so to speak. If white holes eject matter that a black hole has captured, could it be possible that the matter is ejected in a nearby sphere (in a situation similar to the bubble theory [I think it is called]), and the process could essentially repeat itself.

If that is the case, then would it be logical to say that the known universe is essentially finite, but the universe overall is infinite as it is recycled.

As I said, this may be a ridiculous theory, but the idea just came to me based on what I've heard. I've read a bit on the universe being recycled but I'm not sure how valid it is.

In conclusion, I was simply wondering if any of this was probable or if it was a ridiculous thought. Thanks in advance.