Originally Posted by
danbaron
I don't think they mean static as in, unchanging.
I think they mean it as in, fixed in size and always existing.
However, I do think there is a way that a universe could be unchanging.
If I am correct, if there was no dimension of time, or, if time was stopped, then, there could be no motion.
With no motion, the universe would be frozen.
According to my understanding, in order for any object to move through space, it also must move forward through time.
(Why can't an object move backward through time? I guess the technical answer is, because it can't exceed c (light speed). A more human answer might be, because, doing so would violate the rules of the, "game".)
(Concerning objects exceeding c, for instance, the famous/infamous neutrinos, if it is possible, then, an object could arrive at its destination before it left - a bullet could kill a person before the gun was fired - causality would seem to be, "out the window". I'm not saying I know for certain it is impossible, but, my experience causes (as in, "causality", i.e., measured by time, my experience precedes my doubt) me to doubt it.)
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I don't know much in this area.
As far as I know, the theory of the expanding universe, can account for the fact that gravity is not causing all of the universe's matter to collapse into one giant black hole.
I could be wrong, but, I think Einstein's cosmological constant serves the same purpose.
To me, a universe with no boundaries in either space or time, is much more interesting.
And, in that case, I think every location in space or time, is fundamentally the same - i.e., there are no boundaries to measure from.
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