One possible explanation is the Universal Constants theory. It means that the universe is very huge but it looks the same to all the observers from any place or any time. Matter is spread evenly in the entire universe and it is very smooth. This theory was initially suggested by Albert Einstein. This theory also explains that the universe could be very dense at the same time.

Another possible explanation is that the universe could have been created because of the microwaves. This theory explained the cosmic microwave background radiation caused in the universe, and it supported the theory of big bang. The Big Bang theory also explains about the same cosmic radiation. If the source of the radiation could have been measured, then the energy would be in equilibrium because there is no other matter surrounding at that point of time. With the support of this particular concept scientists started believing that Big Bang is the ultimate explanation to the decoration of the universe and before that nothing existed and not even time.

After the Big Bang theory was explained, hundreds of papers with variations in the theory started pouring in and every person had a different dimension to the explanation.

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