Spacetime is a 4-dimensional manifold that contains all of the matter and energy that has ever existed, exists, and will ever exist. Or it can be a subset of itself semantically for the purposes of mathematical modeling. I'm sure that clears it all up for you.
So it's a relativistic cartesian topology which moves faster than light.
I imagine the universe as an expanding toroidal hyperboloid with electromagnetic energy surrounding the frontier of matter in the shape of an hour glass inside a donut. The expansion of the universe occurs not just from the center but from disrtubuted points the same way bread expands in distributed bubbles. The donut shape allows the universe to expand rapidly and accelerate over time as we observe the universe doing, but I'm not a mathematician.
Also, if Spacetime is four dimensional, doesn't that mean objects inhabit all potential locations simultaneously? Or am I confusing 4D with 5D?
To be slightly more and less precise, it's not exactly moving at the speed of light, it expands into the time axis at a rate that causes Expansion to appear faster than light. I'm absolutely certain that that clarification cleared everything up.
Yes, the "hole in the donut" would only be perceptual though, there's actually Stuff in there, we just can't see it anymore because, well, you know, we can't see anything farther back than the CMBR, bro. Like all good things, it's mostly round.
Enlightening, thank you.
Relativity was made up by an inbred jew.
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