I recall in a forum where time was the subject for discussion and someone posted that nature has/uses time so everything does not happen all at once
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I thought that to be a joke but when you think of it that is probably a reasonable explaination.
The photon travells at C and that is the upper limit of how things will have to take turn as it were and through out nature we find there is a "time" limit , chemical reactions atomic reactions ...anyways nature recognises time one could think.
I have always seen even the emptiest part of space as full of something
photons for example but one could make a long list and each of the units that make up the something that is nothing is rushing in all directions at c or near it (with an infinite empasis on all directions) and so one can imagine this could not happen all at once all the photons just would not fit if they arrived all at once.
Maybe photons cant go faster because we are getting to close to the propostion of everything happening at once
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Just imagine what we would find in nothing if we simply limit finding to the spectrum...I try and see a multitude of 2500 mile strips of movie film (in a wave
)on every tradgetory all trying to fit and marvel at how they must fit... like a box full of eels.
Oh if one could know the before the big bang. Some say the universe in effect may cycle between singularity and ...mm a burnt out universe. I think some think there may be other bubble universes...but the word universe means they would really be part of our universe
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It was not long back when we thought the milky way was the entire universe... so one needs to be prepared for maybe further news of how little we are.
alex