Abstract
This theory describes a universe that isn't infinite.
What is nothing
The base of the theory relies on the definition of nothing. When many think of the definition of a space with nothing in it they think of an empty room. However in an empty room there are billions of atoms and photons. The definition of nothing is something that can't be found anywhere near us. Since as far as we will ever be able to see there are stars, meteors, objects of mass, energy and therefore gravity present. True 'nothingness' is a space where there is absolutely nothing no vision of a distance star through photons no gravitational forces no energy just nothing. This place where everything that 'exist' is absent shouldn't be seen as part of the universe because there simply isn't anything present there and therefore that place doesn't exist.
What is the universe
Now that we have defined nothing we have to define the opposite which is what we consider to be the universe. The definition of the universe is a space where any form of energy or any form of a force is present.
The edge of the universe
A lot theories think of a material or forceful barrier that create an edge around the universe which can or can't be penetrated. However such a barrier should be made of something and could have an 'other side' which just wouldn't make any sense. However using the previously made definitions we are actually able to make an edge of the universe that doesn't leave any unknowns that would require almost science fiction like theories to understand. The edge of the universe is simple any place were the influence or presence of something that we consider to be existing stops. This means that the edge of the universe is actively moving because of the containment of the universe is either expanding or contracting or just moving.
Why the universe isn't infinite
Now if we consider the definition of nothing to be true and therefore a universe with a movable edge it shouldn't be infinite. This is because we need energy to create a piece of universe. And there should be a maximum of how 'much' universe can be created per amount of energy when the energy is at its most spread out form without losing 'contact' with itself and creating nothingness in between itself. This way we can look as the universe as a ball of water in space. With the space being non existing 'space' and the water being all of the energy in the universe. We can form the ball of water however we like or even make the longest and thinnest possible string of water. But there is a maximum length or size that we can achieve since we only have a set amount of water just like we only have a certain amount of energy in the universe. basically the universe may be free to infinitely move around creating new universe on one place while simultaneously stopping to exist somewhere else. But it can only become a certain maximum volume.
The influence of gravity
according to the definition of the universe gravity creates a piece of universe. When looking at the formula for the gravitational force two things are important to take into consideration.
F = \frac{GMm}{r^2}
The first one being the small m on top. Since the mass of nothing is also nothing the gravitational force is zero. This would mean that gravity wouldn't be able 'move' in the direction of the edge of the universe and therefore wouldn't be able to create new universe. However if we consider to be a sort of mass magnet and is present without a second mass being present we would have an almost infinite universe. Since range of the gravitational force is considered to be infinite because of the $r^2$ on the bottom. However the range may be infinite the force isn't instant. Gravity moves with speed of light which would mean that the universe would be expanding forever with the speed of light but would still have a set volume at a set time so it wouldn't be infinite.
Originally Posted by TSteggi
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