Question

What is parallel universe​

Answer 1

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According to many astrophysicist, our universe is not only single existing universe there can be many billions of universe in the infinity large multiverse...

parallel universe is nothing it's just a carbon copy of our universe it will look like our universe but it have some differences..

Answer 2

Explanation:

A parallel universe, also known as a parallel dimension, 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".