Opinion on Big Bangs and Dimensions
[From: ] [author: ] [Date: 11-04-27] [Hit: ]
y, z) is the more familiar generic point of Cartesian Coordinates.Future and Past times do not have Actual Existence but only Potential Existence because space is three dimensional and only at the point of present time does when it intersect three dimensional space can it have Actual Existence (in sense its pinch off there). So present time is pinched into existence and also kicked off by The Big Bang.It would hart to determine for sure whether time what is simply because of its radial position & pinch-off character or if it is truly different than space but ones sense of unified theory would suggest it is the same.-q1In our universe,......
(θ, φ, ψ) is a generic point of Spherical Coordinates more or less and (x, y, z) is the more familiar generic point of Cartesian Coordinates.
Future and Past times do not have Actual Existence but only Potential Existence because space is three dimensional and only at the point of present time does when it intersect three dimensional space can it have Actual Existence (in sense its pinch off there). So present time is pinched into existence and also kicked off by The Big Bang.
It would hart to determine for sure whether time what is simply because of its radial position & pinch-off character or if it is truly different than space but one's sense of unified theory would suggest it is the same.
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q1 In our universe, space and time are the same "stuff", can't have one without the other.
q2 We don't know. If there's one, why not many? The theory of early inflation suggests infinite, eternal, ongoing big bangs that, in general, do not interact.
q3 "Our" universe is a curved 4-d manifold. This manifold may or may not be embedded in an exterior manifold. We don't know.
You're a 4D creature: 3D plus time. In 4-D, your body extends in time like a long worm.
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It's a lot easier to visualize a 3d cube becoming a worm in 4D that changes shape and or volume in 4D than it is to visualize what a human body worm would look like in 4d. Nobody can visualize in reality in 5d (well, maybe some mathematical geniuses CAN do that), although I HAVE been able to attempt to visualize abstractly in 7D because of all the years I've been analyzing and interpreting 7 band Thematic Mapper and 4 band MSS satellite images. Even so, that usually makes my head start to ache after a few minutes. :-D
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1) Spacetime is one thing. They can't be separated, at least according to Einstein, so yes.
2) No consensuses. This isn't an answerable question so far as we know.
3) There could have been other universes before ours and BBs could be a cycle, but I don't see what this has to do with dimensions.
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