May 26, 2019 | Updated: 10:32 PM EDT

The Multiverse: Theoretically Inevitable

Mar 16, 2019 02:02 PM EDT

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Parallel universe
(Photo : Image by Maxpixel)

The Universe is constantly expanding, and at an accelerated rate. Even with today's most advanced technology, the edge of the Universe could never be seen. The evidence of the ever-expanding Universe can be found from remnants of radiation from a hot, dense state to galaxies evolving in size, mass and number-a cosmic circle of life as stars live and die. But what is beyond our sight? Is it an unobservable abyss of nothingness? What about a Multiverse, is that a possibility?

With our current understanding of the Universe, a Multiverse must be the answer. Although controversial, the Multiverse is a very simple concept. The Multiverse is the idea that our Universe, and all that's contained within it, is just one small part of a larger structure. And that larger structure contains other disconnected universes that may or may not be similar to our own. Mind you, the idea of a Multiverse goes against most conventional theories in physics and astronomy considering most rely on measurable, experimental, or otherwise observational confirmation. Therefore, the theory of a Multiverse is just that a theory. Albeit, a theory with a rather high likelihood.

Cosmic inflation could be the key to the Multiverse. The Inflation Theory proposes a period of extremely rapid expansion of the universe during its first few moments. Quantum physics would also play a major role in the Multiverse theory, particularly one of the rules of quantum uncertainty, which states that the value of any quantum field spreads out over time. What that basically means is where inflation ends right away, we get a hot Big Bang and a large universe, where a small part of it might be similar to our own observable Universe. But there are other regions, outside of the region where it ends, where inflation continues for longer. It is also likely that when the quantum spreading occurs in just the right fashion inflation might end there, too, giving rise to a Big Bang and an even larger universe, where a small portion may be similar to our observable Universe. With that being said, the idea that other universes being subsequently created is highly probable.

The Multiverse is not a new, testable scientific prediction, but rather a theoretical consequence that's unavoidable, based on the laws of physics as they're understood today. Whether the laws of physics are identical to our own in those other universes is unknown. It is very possible that experts, scientists, and physicists have inflation, quantum physics and the rules in which these sciences are applied, completely wrong. But unless experts have gotten something wrong, the Multiverse is inevitable, and the Universe we inhabit is just a minuscule part of it.

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