Is There a Universal Point Where All Moments in Time Exist Simultaneously?

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The discussion explores the concept of time and whether there exists a universal point where all moments coexist simultaneously. It references Einstein's ideas, suggesting that time is influenced by factors like speed and distance, leading to the notion that a point of reference might exist where past, present, and future converge. However, it is clarified that while light allows distant observers to see past events, this does not imply a simultaneous existence of all moments. The consensus is that time moves forward, and the present moment is the only true reference point. The theory presented is speculative and not widely accepted in the scientific community.
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Ok so my next question has 2 parts, but i won't go into the philosophical part here. But i was reading about a letter Albert Einstein wrote to a person regarding the death of a friend. As i tried to understand his meaning behind it, i started thinking. From what i am told time is affected by speed, mass and distance (i.e. a small slow movement here would have a massive change in time billions of lightyears away from here). Would it be safe to assume that there is and always will be a point of reference in this univerese where we will all be alive, dead, and yet to be born here on earth? I hope that came out right, as i am having a bit of trouble putting my thoughts to words. Again, i have no knowledge in any of this material, only genuine questions. Please excuse my ignorace.
 
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I'm not quite sure what you mean, but if, for example, a person near the star Alpha Centuari had a really big telescope, right now they could be watching the events of 2003 unfolding on Earth. But that's simply because light travels at a finite speed - it doesn't have anything to do with time dilation.
 
russ_watters said:
I'm not quite sure what you mean, but if, for example, a person near the star Alpha Centuari had a really big telescope, right now they could be watching the events of 2003 unfolding on Earth. But that's simply because light travels at a finite speed - it doesn't have anything to do with time dilation.

According to Einstein this time frame is not in the past, not in the future, but it is infact "elsewhere".
 
What I am getting at is that any particular moment has some perminence in the universe in the way that there will always be a point of reference in the universe where right now will always be right now... if that makes any sense.. i an starting to think that time does not exist, only different points of reference. i know this is more than likely way off, so if someone would be so kind to explain why (if they can follow my laymens logic) i would appericate it, thanks.
 
Re your question

Would it be safe to assume that there is and always will be a point of reference in this univerese where we will all be alive, dead, and yet to be born here on earth?

No it would not - time proceeds forward. The point of reference you search for is here and now. The past is gone (in terms of time) and the future is to come. There are many distortions of expected reality in cosmology but your proposal is not one.

This is only my current working theory - I am no expert

Ed Joyce
 

Thread 'Matter density right after the decoupling'

https://en.wikipedia.org/wiki/Recombination_(cosmology) Was a matter density right after the decoupling low enough to consider the vacuum as the actual vacuum, and not the medium through which the light propagates with the speed lower than ##({\epsilon_0\mu_0})^{-1/2}##? I'm asking this in context of the calculation of the observable universe radius, where the time integral of the inverse of the scale factor is multiplied by the constant speed of light ##c##.
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Thread 'Hubble Constant, Dark Energy and the Expanding Universe'

Why was the Hubble constant assumed to be decreasing and slowing down (decelerating) the expansion rate of the Universe, while at the same time Dark Energy is presumably accelerating the expansion? And to thicken the plot. recent news from NASA indicates that the Hubble constant is now increasing. Can you clarify this enigma? Also., if the Hubble constant eventually decreases, why is there a lower limit to its value?
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