Some scientists have hypothesized that the universe has begun going in cycles of expanding and contracting over and over forever this idea is called they crunch the Big rip the cycle of Life the big balance
or the cyclic universe theory. According to this theory, the universe expands for a certain amount of time, eventually reaching a maximum size, after which it begins to contract back down to a singularity. This process then repeats itself, with the universe continually expanding and contracting in a never-ending cycle.
Support for this theory comes from the observed expansion of the universe, as well as from theoretical models of the universe's evolution. Some scientists believe that the universe may eventually reach a point where the expansion causes all matter to become so diluted that galaxies, stars, and even atoms are torn apart in a process known as the Big Rip.
Other scientists argue against the cyclic universe theory, citing evidence that suggests the expansion of the universe may continue indefinitely, eventually leading to a state of heat death where all energy is evenly distributed and no further changes occur.
Ultimately, the true fate of the universe remains a topic of debate among scientists, and further research and observation will be needed to determine whether the universe is indeed cyclical or if it will continue expanding indefinitely.