Parallel universe We see many movies in which they tell about parallel universe it is also known as multiverse but in real life it is exist or not ..... A parallel universe , also known as an alternate universe , or alternate reality, is a hypothetical self-contained plane of existence, co-existing with one's own. The sum of all potential parallel universes that constitute reality is often called a “multiverse". What is the example of parallel universe ? Some theories about parallel universes are that they have different values for physical constants. There would be some universes where stars can't form for example The hyperspace of science fiction is a parallel universe which allows for faster than light travel between two entry points in our universe . Does parallel universe exist ? Both Alices are equally real. However, they are now living parallel lives : ...