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The question here relates to the expansion of the universe, far far away...a long red-shift, parsec upon parsec. Apparently the ideas of relativity don't need to work there.Some material to consider:https://www.space.com/33306-how-does-the-universe-expand-faster-than-light.html
Just wondering, clearly then if the laws of relativity don't work out there, then time-reversal is not an issue beyond light speed is not an issue?...........It seems the red-shift effect as we perceive it violates what we want to understand of relativity and it's fairly easy to then say, "well, clearly relativity doesn't work out there".....it's like the red-shift effect has more power of persuasion than the idea of the big bang.
Say we were inside a space craft that was pure energy
Which is cause and which is affect?
Yet should not local laws exist at the outer limits also?
Regarding the universal manifold and the red-shift, it appears space as a substances "stretches" to accommodate for a red-shift that give rise to non-local laws allowing for the speed of light being exceeded?
Well, I'm avoiding using the term "spacetime" while dissecting relativity. ..so I'm using the term manifold (and not spacetime) to get some clarity on what's going on there with "spacetime".
I'm concerned about the idea of objects appearing to travel at a speed faster than light while in those regions local laws still need to apply.
Does that suggest that someone many many light years away would see our reference as travelling faster than light?
If its possible, then "spacetime" in between our reference and that greater outer reference carries something that violates its own speed...
Yes, so technically space anywhere and everywhere in the universe from a frame of reference very very far away is expanding faster than light, including our own region of space...
..and light doesnt contour to the metric of space.
So, let me get this clear......space stretches at a rate faster than light,
And so why again is it called "spacetime" if spacetime can exceed light speed
(the "universal manifold" here I'm considering would be spacetime and "light"....light obeys spacetime as per the metric of space, yet not time though).
Light .....as a speed is unaffected by the accelerating expansion of spacetime. I guess therefore the answer to my topic question is no.
The first question I'll address is light addressing the "metric" of space......in that I mean the "distance" of space, as space can only be......the governing feature of the red shift effect and how that effects light, namely wavelength extension with space. The "metric" of space is its distance, and light accommodates there as per the red shift effect, as theory suggests. Yet it doesn't accommodate for "time", as its locality requires "c", according to theory.
The question about a manifold:In mathematics, a manifold is a topological space that locally resembles Euclidean space near each point. More precisely, each point of an n-dimensional manifold has a neighbourhood that is homeomorphic to the Euclidean space of dimension n. In this more precise terminology, a manifold is referred to as an n-manifold.Essentially I was asking if light is able to ride spacetime and not readjust to perform a local "c".
a far far away observer will view us as a spatial manifold moving, dispersing, apart at a rate greater than "c".
a far far away observer will view us as a spatial manifold moving, dispersing, apart at a rate greater than "c". Is there evidence for that in our spatial district?
Say we were inside a space craft that was pure energy and are therefore able to move at the speed of light. We look outside out energy craft's window, and based on the speed of light reference and special relativity, the universe appears to be a contained in a point-instant; speed of light POV. After traveling, we reach our destination and put on the brakes. We decelerate from the speed of light, to the finite speed of the earth for a rendezvous. During the deceleration we look out the window and notice that the point-instant universe, we had been seeing, now appears to expand in space-time. We are decelerating from the speed of light, yet the universe appears to be expanding faster than the speed of light. Which is cause and which is affect?