How did the universe come into being?

[curious222]

TL;DR

How did the universe come into being? Where did quantum fluctuations come from? How did it come out of nothing? Is there something that always exists?

How did the universe come into being? Where did quantum fluctuations come from? How did it come out of nothing? Is there something that always exists?

 

[BvU]

Good questions. No answers, except perhaps for the last one -- but that will be hard to underpin with evidence .

 

[pinball1970]

Summary:: How did the universe come into being? Where did quantum fluctuations come from? How did it come out of nothing? Is there something that always exists?

How did the universe come into being? Where did quantum fluctuations come from? How did it come out of nothing? Is there something that always exists?

You could start here
https://en.wikipedia.org/wiki/Universe
There are also many threads on pf that look at this question.
Search 'origin of the universe' using the magnifying glass top right.
Here is one of them.
https://www.physicsforums.com/threads/origin-of-universe.285100/

 

[anorlunda]

The question has been answered. Thread closed.