The alternative is that there is an edge. But what would be beyond that edge? Space? If there is an edge, what does it do to the space near it? This leads to inconsistency in the laws of physics and if there is one central principle in all sciences, it is that of universality. When an exception to a rule is discovered, it usually means the rule is wrong, or incomplete.
Since an edge is absurd and infinity leads to the problem of the heat death of dispersion, and something else is clearly at play since all of the visible universe seems to be uniformly though stochastically distributed, the infinite and the bounded will be rejected. Thus the dimensions of space must be finite but unbounded, just as the surface of a planet is finite but unbounded.
This is an assumption, to be sure, but a reasonable one because all the data supports the model. We cannot see any sign of deceleration or dispersion anywhere we look.
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Stalking God
Non-FictionStalking God is an attempt to compile and systemise the collection of ideas that I have about the nature of reality, starting from the principles of physics, the most fundamental and simplest, to politics and economics, the most complex known system...