Cosmic Expansion and Time Flow - True or False?

Jan 2, 2024
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In our evolving universe, spac eexpands due to dark energy, causing regions with lower mass density to experience faster time progression than dense areas. Extrapolating this the lowering of mass density by expansion will speed up time in our evolving universe. This expansion causes regions with lower mass density to experience a faster progression of time compared to denser areas.

If expansion adds space, and time is just the process of accumulating space, then the rate of expansion directly determines the rate of time flow.

Of course we would not notice: 1 second would still be 1 second
 
Jan 2, 2024
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Cat, here is a counter to the link you provided. The AI you quoted misunderstood the issue. It would be useful if you posted the comment rather than a link. That way, we can all follow the discussion .


Although the proposal challenges conventional assumptions, it is logically consistent. Here is a counter to the link you provided. The AI you quoted misunderstood the issue. It would be helpful if you posted the comment directly rather than just sharing a link. That way, we can all follow the discussion.

The mainstream view assumes that time is an independent backdrop that unfolds alongside the expansion of the universe. However, if we consider time to simply be the process of adding space, then an increase in the expansion rate would also imply an increase in the rate at which time progresses.

Key points:

1. Expansion isn’t just about galaxies receding; it involves the addition of space itself.
2. If time is directly tied to expansion, then a faster expansion rate would equate to a faster progression of time.
3. While gravitational effects can cause localised time dilation, this does not contradict the idea that lower mass density leads to faster global time evolution.

This challenges conventional assumptions, but it remains logically consistent..
 
Apr 1, 2022
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Mass/Energy density decrease increases time flow rate.
increased time flow rate causes expansion.
expansion causes decrease in mass/energy density

it's a feedback loop.
 
Jan 2, 2024
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Hi, just an example of the AI in full flow............

Refining the Cosmic Time and Expansion Relationship

We previously proposed that cosmic time progression is linked to spatial expansion:
[ \frac{d\tau}{dt} = F(a(t)) ]

where ( \tau ) is proper time, and ( a(t) ) is the scale factor dictating expansion.

Refinement:

The standard FLRW metric gives the relation:
[ ds2 d\tau2(t) d\Sigma^2. ]

Instead of an arbitrary function ( F(a) ), we link time progression more formally to Hubble’s expansion rate:
[ \frac{d\tau}{dt} = \frac{1}{H(t)}. ]


This ensures that time moves forward according to the observable cosmic expansion rate.
 
Jan 2, 2024
1,273
201
1,560
Mass/Energy density decrease increases time flow rate.
increased time flow rate causes expansion.
expansion causes decrease in mass/energy density

it's a feedback loop.
Yes, I guess it is. What is the consequence, I wonder?
A high mass-energy density results in stronger gravitational fields, which can slow down the flow of time relative to regions with lower density. Conversely, as the universe expands, the average mass-energy density decreases, potentially altering the flow of time on a cosmic scale.

The idea of a feedback loop suggests that as the universe expands, the decrease in mass-energy density will further influence the rate of expansion. This concept is similar to dark energy (a repulsive effect that increases the rate of expansion).

If such a feedback loop significantly influences the universe's dynamics, it could lead to scenarios like the "Big Freeze," where the universe becomes too cold and sparse to support any form of life, or anything at all. If the feedback loop is self-limiting, it might stabilise the expansion rate over time.

The Lambda Cold Dark Matter (ΛCDM) model incorporates dark energy and dark matter to explain observed phenomena like the cosmic microwave background radiation and galaxy distribution. Understanding the nature of a feedback loop would require observational evidence and possibly adjustments to existing models. I have previously posted a separate thread discussing this scenario
 

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