As Expansion continues, Time speeds up, True or False?

Jan 2, 2024
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As mass density increases within a given volume, the gravitational field strengthens, and this has a direct impact on the flow of time. According to Einstein's theory, time runs more slowly in stronger gravitational fields and more quickly in deep space.

As the Reference frame for the whole Universe is diluted (the gravitational field is weakened), the speed of time increases. True or False?
 
Jan 2, 2024
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Thank you for the reference, but I would like to clarify my question: Does that principle from your link apply to the universe as a whole? If it does, then time in the universe must be speeding up—unless additional material is being injected or created within the universe to maintain or increase its density.
 

Catastrophe

"Science begets knowledge, opinion ignorance.
As I have posted elsewhere,


I do not believe that "The Universe" has any real meaning. "observable universe"s are (by definition) all that anyone (any observer anywhere, any time) can observe. There is no specific universe anywhere without an observer. This is circuitous. Asking whether there can be a universe without an observer is therefore either a philosophical question or semantic nonsense.

It comes back to the flatland (observable) universes - a (D + 1) observer (such as humans) could see any number of flatland universes (if they existed). "The Universe" would require an observer with infinite sense range over time, which I believe is nonsense. Hence the philosophical aspect.

Cat :)
 

Catastrophe

"Science begets knowledge, opinion ignorance.
Thank you for the reference, but I would like to clarify my question: Does that principle from your link apply to the universe as a whole? If it does, then time in the universe must be speeding up—unless additional material is being injected or created within the universe to maintain or increase its density.

Beyond my post #4, I do not understand your question.

Cat :)
 
The “evidence” of expansion is very old. The oldest evidence. For all we know, the “universe” might have expanded long ago, and ceased expanding long ago.

It might have reversed and be contracting now.

At those rates and the speed of light, it might get contracted before we can see it.

The present state of this cosmos is impossible to determine.
 

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