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What happened pre-plank1?

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Kalypso

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This is a scientific argument, relating to the creation of the universe.

The accepted theory of the universes creation is that at a point, matter exploded and expanded rapidly, forming the universe. The point immediately following the big bang is known as plank1, or the beginning of the universe. However, this argument is about what happens before?

On another forum, the argument went like this:

Kalypso: There has to have been some form of time or existence pre-big bang, if there wasn't what caused it? Something does not come out of nothing.

Dude: The laws of physics don't exist when discussing the bang itself or the time before, because the theory establishes that physical laws started at plank1, and we don't know what happened at the bang or before.

Kalypso: How does that logic fly in science? You can't just say that the laws of physics break down at plank1 with no reason for it, either there is time before the big bang or there is immutable proof that physics breaks down at plank1. Do you have any reason to believe that physics breaks down at plank1?

No answer. My theory is, there has to have been something pre-big bang to cause it, and that physical laws don't just stop pre-plank1, I see no reason for this. To me, it makes infinitely more sense that our universe is not everything, and that there is some larger structure that led to the big bang and the creation of our universe, and that what we are a part of is a part of something larger. There is much more on this in select advanced physics theories. I see the big bang as a 'spontaneous, unexplainable' event to be the same as a religious belief.

Barring strong scientific theory to suggest plank1 breaks down physics, I would sooner believe in God than believe that science leads us to believe that everything came out of nothing.

So, do you think that physics breaks down at plank1 or not? I'd love to be proven wrong, so bring the sources and whatnot, I'd love a solid reason that physics can't exist pre-plank1.
 

cF=)

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I'm sure a videogame forum will give you the answer to something scientists don't even agree about. If you want my opinion: since we don't know much pre-big bang, why establish the laws of physic pre-plank1 ?
 

Kalypso

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I'm sure a videogame forum will give you the answer to something scientists don't even agree about. If you want my opinion: since we don't know much pre-big bang, why establish the laws of physic pre-plank1 ?
It's grounds for a debate, and posts in this forum are severely lacking. I'm sure some people in here have opinions on the matter, I don't expect a conclusive answer to such a question, but the ideas therein interest me.
 

snex

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the evidence that the laws break down pre-planck is the same evidence that they break down near a black hole.

what is actually happening is not that the laws of nature themselves break, but that our best estimates as to what those laws are break. general relativity and quantum mechanics are both required to analyze the big bang, but pre-planck they just give nonsense results. one (or both) of them must not be the whole story, and we need a more robust theory to see what actually happens pre-planck and near black holes.
 

AltF4

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The problem with asking "what happened pre- Planck 1" is that the question assumes that time is static. Your question is essentially the very famous "boundary conditions problem". That is to say, what are the boundaries of the universe? Does it have an end? Do you hit an invisible wall, or some such nonsense?

Then apply that question to time. Did time have a beginning? A very good and proper answer to this question can be found be reading "A brief history of time" by Hawking, but I will elaborate a bit for you.

The boundary condition of the universe can be such that it has no boundaries. It is much like the problems people used to have when they thought the earth were flat. It begs the question: "What happens when you reach the end?" The answer is that there is no end, because the earth is not flat. It is as is said "Infinite in extent, but finite in area". Meaning that if you travel in one direction long enough, you end up right where you started out. The same would be true of space.

As it relates to time is a bit more difficult to picture, but mathematically it is the same. Time is not like a string that we are traveling on. If you think of it as such, you'll run into seemingly paradoxical problems like these.
 

Falco&Victory

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Seeing as many physics experts are of the opinion(even Hawking) that time started with the Big Bang, I don't see anything in the universe causing it. IF you're interested in the theory of a multiverse I just posted in the 'Does God Really Exist' thread
 
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