if there is nothing singular in the universe why should there be only one Big bang?

Answer 1

who says there has to be. Maybe it's just a rebirth process. maybe black holes will get so massive that they sallow everything. In the math that we know, something can't turn to nothing. soo when it gets to it's most sub atomic state and unstable, bam or a big bang. the repeat all over

who knows how many times you might have asked and how many times i have given this answer

Answer 2

Understand "singular" is not the same thing as "singularity." Singular means one of a kind; singularity does not mean that.

A singularity is a point wherein a function becomes indeterminate...often indicated as infinity. Classic physics threats the subatomic particles as points with zero size, but many of the classic physics equations become indeterminate when they are worked at the point level. In large part, that singularity in the classic equations is what prompted physicists to come up with string theory, where the fundamental quanta are not points, but strings with length 10^-35 cm.

Read "The Elegant Universe" by Brian Greene for some interesting and easy reading on multiple universes and on our own.

And, as someone else has rightly put it, who says there has been but one big bang? There is just the one we can infer from our own observable universe, but who's to say there have not been others outside our observable universe...or even in other universes?

Answer 3

There can only be one Big Bang for this Universe in it's current lifetime. This is because at the Big Bang, time itself as well as space was begun and it makes no sense to think of what happened before the Big Bang.
Having said that, it is possible to think of a situation whereby the Universe will eventually contract into a Big Crunch (the opposite of the Big Bang) and time will then cease. This does not necessarily rule out the possibility that another Big Bang could then occur, and time and space would start again.

It is a difficult concept to grasp but you cannot think of questions like "What happened before the Big Bang?" or "What will happen after the Big Crunch?" There simply is no when as neither time nor space exist then.

The question may occur then as to how the Universe could suddenly appear out of absolute nothingness. This can be answered, at least partially, by invoking quantum physics ideas in which, for very brief periods, spacetime and energy can suddenly appear from nowhere due to chance fluctuations. This energy normally would immediately disappear but could conceivably escape from the tiny region in which it should be bound in a similar way that electrons can appear to jump through solid walls for no reason (transistors work in this way and where would we be without them?). In this case, the energy would eventually decay into matter (due to the famous equation E=mc^2) and spacetime would continue expanding into the observed Universe.
Granted that the fluctuation involved would have to be absolutely enormous, which would, in turn, make it an exceedingly rare occurrence, which is why we don't see an abundance of Big Bang events in the Universe.

Answer 4

No one said there was just 1 big bang, but the idea of more than one would mean more than one universe and we would have no connection whatsoever with any of the other hypothetical universes so its not a serious scientific issue. Its a nice thing to think about and probably an inspiration to sci fi writers but thats it, the rest is pure speculation and we will never even be close to knowing if there are, were or will be more than 1 universe.

Answer 5

I think you are confused or try to confuse us.

Singularity has nothing to do with big bang or anything else.

Another meaning for singularity is "I don't know". ( I meaning the theory and the equations they represent). The theory fails at many instances. like black hole etc.

So that leads to the conclusion that no one knows about big Bang. But the reality is we are here and to some extent we know what happened in the last 13.5 billion years after the big bang and we are trying to understand more and more at rapid pace. SO some of these unknowns will be cleared or understood soon.

Answer 6

You're right to speculate that there may not be just one Big Bang, but so far we only have scientific observations for one.

Answer 7

Who says there has been only one? No one could be sure.

Answer 8

No evidence of two starting events...