Could a Closed Universe Reverse Time During Collapse?

In summary, a closed universe is a finite model of the universe with a limited volume, where traveling in one direction would eventually lead back to the starting point. It differs from an open universe, which has no boundaries and is infinite. The potential effects of a closed universe include a repeating universe and a potential "big crunch" collapse. Scientists study this through mathematical models, simulations, and observational data. If the universe is closed, it could eventually lead to a collapse and raise questions about the future and fate of the universe.
  • #1
Rasine
208
0
what would the universe under go during the collapse, if it was indeed a closed universe?
 
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  • #2
I don't know, everything would be crunched into a singularity
 
  • #3
some say that total entropy of the universe would start to decrease rather then increase causing time to move backwards rather then forward
 

1. What is a closed universe?

A closed universe is a theoretical model of the universe in which the universe is finite and has a limited volume. This means that if you were to travel in one direction, you would eventually end up back where you started.

2. How does a closed universe differ from an open universe?

In an open universe, the universe is infinite and has no boundaries. This means that if you were to travel in one direction, you would never reach an endpoint. In a closed universe, the universe is finite and has a boundary.

3. What are the potential effects of a closed universe?

Some potential effects of a closed universe include the possibility of a repeating universe, where events and structures are repeated in different parts of the universe, and the potential for a "big crunch" where the universe collapses back in on itself.

4. How do scientists study the effects of a closed universe?

Scientists use mathematical models and simulations to study the effects of a closed universe. They also study observational data from telescopes and other instruments to gather evidence and make predictions about the nature of the universe.

5. What are the implications of a closed universe for the future of the universe?

If the universe is closed, it would mean that the expansion of the universe will eventually slow down and reverse, leading to a potential collapse of the universe. This raises questions about the ultimate fate of the universe and the possibility of multiple cycles of expansion and collapse.

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