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Asked by anon-253777 to Stav on 7 May 2020.
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Stav Zalel answered on 7 May 2020:
How did the universe begin is a deep question to which scientists do not have an answer yet. There is another closely related questions which scientists are interested in: what if the universe was always there and therefore didn’t have a beginning at all?
Our best theory of the universe at the moment is that of the Big-Bang, which says that a long time ago the universe was very small and very hot. Physical forces made it expand rapidly like a balloon, and this allowed stars and planets to form and the universe slowly evolved into what it is like today.
But was there anything before the Big-Bang or was that really the beginning of the universe? This is still a big open question.
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Comments
anon-253937 commented on :
I feel that the beginning of the universe has a few possibilities such as the big bang theory
Greg commented on :
To elaborate a bit, one of the theories for how the universe might not have a beginning is called the ‘big bounce’. In this theory the universe expands, and then contracts all the way back to the hot dense state it started in, triggering another big bang. This process could repeat forever.
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Ultimately It’s impossible (currently) to prove that a supernatural being didn’t create the universe and then abandon it. For me the question becomes whether or not you need to believe in that sort of god; whether or not that sort of god is necessary
anon-253333 commented on :
I think that the universe might have been made by accident, just like the coronavirus. Maybe something existed before the universe and some sort of reaction in that something might have created the universe and caused the something to decoy.