Because it seems that only this doctrine can explain the infinity of the universe.
Multi-universe is a hypothesis that has been long established by scientists, but to prove it is not easy.
There are still a lot of cosmic mysteries that hurt astrophysicists: what's inside the black hole, dark matter, the end of the universe ...
Wondering how our life in the parallel universe is like?
Although we cannot prove it yet, we believe that our multiverse has 11 dimensions, said Dr. Michio Kaku.
If the British physicist David Deutsch makes sense, the meeting between any two people will take place infinitely in the multitude of parallel universes at the same time.