Older faster if the universe wouldn't be expanding?

In summary, the question of whether we would age faster if the universe was not expanding depends on the comparison we are making. If we have no reference for time moving slower or faster, we would not notice any difference in aging. However, if we were to compare time to a state of contraction, such as the Big Crunch, then time would move faster and so would aging. Ultimately, without a reference for comparison, we would not feel any difference in our aging process.
  • #1
niko2000
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Would we be getting older faster if the universe wouldn't be expanding?
 
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  • #2
Compared to what? If time were "running" faster throughout the universe, we wouldn't notice because there would be nothing to compare it with.

Notice that if one person were traveling much faster than the other he would see the second "aging slower" but would not think of himself as aging any faster than normal (and, in fact, the second person would see the first person as aging slower!).
 
  • #3
The question was incomplete.
We wouldn't feel any difference in any case, but time would run faster. That's the thing I don't know...what could we compare with our time?
 
  • #4
niko2000 said:
Would we be getting older faster if the universe wouldn't be expanding?
Yes, possibly, depending on what you consider the alternative to expanding. If you are considering contraction, as in back toward the Big Crunch, then time would move faster, and so would aging.
 
  • #5
niko2000 said:
Would we be getting older faster if the universe wouldn't be expanding?


Well, what would be your reference to 'aging slower' or 'faster'? If time was running any slower or faster due to the rate of expansion in the universe, no one would notice, since there would be no reference to compare what would be faster or slower. Least that's how I see it.
 
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1. How does the expansion of the universe affect the aging process?

The expansion of the universe does not directly affect the aging process of individual organisms. However, it does impact the overall structure and evolution of the universe, which can indirectly influence the aging of objects within it.

2. Would time pass differently in a universe that is not expanding?

Time itself is not affected by the expansion of the universe. However, the rate at which time passes can be influenced by factors such as gravity and acceleration, which can be affected by the expansion of the universe.

3. How does the expansion of the universe relate to the concept of the Big Bang?

The expansion of the universe is a key piece of evidence for the Big Bang theory. The theory states that the universe began as a single point and has been expanding ever since.

4. Can the expansion of the universe be reversed?

The current scientific understanding is that the expansion of the universe will continue indefinitely. While there are theories about the possibility of a "Big Crunch" where the universe will eventually collapse in on itself, there is no definitive evidence for this at this time.

5. How does the expansion of the universe impact the observable universe?

The expansion of the universe causes objects to move further away from each other, which means that the observable universe is constantly expanding. This also means that objects that are currently outside of our observable universe will eventually become visible as the expansion continues.

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