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If the theory of the Multiverse is correct, can one change to a single universe effect the outcome and future of another? If there is more than one universe, are they linked together or are they totally isolated from one another?
Question Date: 2003-04-16
Answer 1:

Before I can begin answering it, we must first start by understanding the roots of the Multiverse theory black holes. Black holes are super-heavy stars that collapsed onto themselves (although that is what we think). Inside each black hole is what scientists call a point of singularity. Physical laws do not exist at these points and modern science cant predict what happens in them. Some scientists believe that these black holes could be tunnels or wormholes to other ends of the universe.

The only problem is that gravity in these holes has enough force to crush any kind of spaceship we have today. So physicists and astronomers have thought up new theories to understand these black holes and one of these theories is the theory of the Multiverse.

Remember when I said that physical laws do not exist at points of singularity? This means that laws like Newtons' Laws of Motion would not exist. Gravity would be gone. Even forces at the microscopic level would not exist. Could you imagine a proton being attracted to another proton or maybe a proton repelling an electron? If this were true in our universe, then none of what we know about our world would be true. This means that galaxies, stars, planets, and even life that we know would be completely different or even nonexistent. These points of singularity would be so different that it would be an entirely new universe. So if the theory of the Multiverse is true, then points of singularity would link our universe to other universes like freeways connecting cities to cities. A connection between universes or a multiverse would be created.

The Big Bang Theory tells us how our universe was created. Our universe has infinitely many stars and each time one of those stars collapses, we would have a new black hole or a new universe. That new universe would have a completely new set of laws that govern their universe. Many universes would then exist at each and every black hole in our universe. Since we have no control over the creation of black holes and the physical laws that govern each point of singularity, it would be unlikely that a universe could affect the outcome and future of another. But I believe that in the future when we gain a better understanding of our own universe with the help of newer and better technologies, the answer to this question would be much more obvious.

On the other hand, this theory isn't completely finished. The theory helps to explain how our universe might have been created and how vastly different it could be from others. Maybe other universes have life like ours or maybe our universe was the only special one to have life. But I think the ultimate question that this theory asks is where did it all begin? I will let you try and figure this one out.

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