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Was time running slower in the young universe?

   Was time running slower in the young universe? 


The fact is this. Time ran slower in the young universe because its energy level was higher. But if we are in that system, we will not see any changes in time. So two seconds were two seconds in the young universe. But it was not two seconds in a system outside the young universe. 

Time dilation in the young universe was stronger than in the modern universe. However, the nature of time and time dilation is that time dilation depends on the energy level in the quantum system. If the energy level in a quantum system that I will call a system is higher, vaporization- or material turning into wave movement takes a longer time. But we must realize, that the energy level in the system must decrease, that the vaporization of the material begins. The material's energy level must turn higher than its environment so that it can send energy out from it. 



The universe is the biggest known quantum system. We can think that all quantum systems are like cubes. For observing mega-scale or global changes in that system. We must look at it from the outside. If we are in the middle of the system details cover the entirety. 

In a single system, time is always static. If we want to compare the run of the time, we must travel out from the system to some other quantum system, where we can observe the system as an outsider. Because the universe expands faster and faster. The energy level in it decreases faster, and faster. That means time runs faster all the time, but we cannot see that thing. We must be outside the system so that we can see that time runs faster in another system, and that observation requires that we must be in the system where time is stopped so that we can measure the speed of time or the speed of material turning to wave movement. 

If we go to hypothetical, another universe, that expands or whose energy level decreases same time as in our universe we would not see the time dilation. The differences in quantity's energy position make it possible to measure differences in those values. If energy levels of quantities are the same and they will release energy with the same speed, that means we cannot see anything change in time, if we are in the middle of those quantities. 

 The thing is interesting. We cannot see how fast time runs, and how strong time dilation is if we are in the system. We must determine time dilation in the quantum system by comparing that time dilation with some other system. In the young universe, two seconds remain two seconds if we are in the young universe. But if we are outside that young universe, we can see that two seconds in the young universe is a longer time in place outside that young universe. 

If we are in the universe where temeperature was 50 000 000 kelvin, the absolute zero point or energy minimum in that system was 50 000 000 kelvin. That was much higher than in the modern universe. But if we were in that 50 000 000 K hot universe, we would say that the 50 000 000 K is the absolute zero point in that young universe. 


https://bigthink.com/starts-with-a-bang/10-biggest-physics-astronomy-lies-2023/

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