Time travelling or swapping 

 There is also a scientific belief that due to the same physical structure, there are planets in our parallel universe where there is civilization, according to the scientist, due to the formation of all the universes together and in one way, they must have started life on the universe exactly like the earth and will continue in the same way,

But it is not necessary that the evolution of this will be formed. It may have happened exactly like our earth, it is believed to have been made with us and like us, but there must have been some astronomical events there because of which life has come to an end. or there is another possibility that there is a huge creature there, as if there is a huge creature like Dinosaurs and they have developed there and they live in a advance civilization like the earth.

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Scientist Hugh Everett explanation 

All the scientists give different theories about it, but the great scientist Hugh Everett has given this theory on the basis of quantum physics and mechanism according to this theory every single event that happens around us gives rise to a different parallel universe. 

Explain by me

 Understand by it in such a way that you are reading now my blog and in the parallel universe also your duplicate is reading the same blog but you have closed my blog but your duplicate now continue reading the blog and he has read the whole blog ..but you know half of the blog but due to the parallel universe you may have an idea about the next surprising content of blog, This is all happen because of relativity to universe.

My Theory :

 There are so many stories of time travel according to that connection of universe is may be possible but I thought this is not only time travel this is glitch a program of relativity of time bands which is move up down slowly like a water waves when some events like natural collides or artificial interface happen with this time bands the moving speed is increase and the procedure glitch or swap is happen and the blackholes moving on and the man in parallel universe is travel through this blackhole and export here on earth.