Big bang and infinite space
- Thread starter PurpleBuddha
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Of course it does! I'm an infinite distance away from my far wall! You are too!
Try it! Walk half way to the wall.
Ok, walk half way to it again (half the new distance, that is), now keep doing that until you reach the wall.
You NEVER WILL!!
Your wall is an infinite distance away!
No, because you yourself take up space. Part of you will touch the wall, thus making you reach it, before any questions of 'infinity' come up.
But my question is this: Given that the universe is infinite...
Would you like a toasted tea cake?
Yes. That's what I said. Your infinite genius shines through again.
Of course it does! I'm an infinite distance away from my far wall! You are too!
Try it! Walk half way to the wall.
Ok, walk half way to it again (half the new distance, that is), now keep doing that until you reach the wall.
You NEVER WILL!!
Your wall is an infinite distance away!
No, because you yourself take up space. Part of you will touch the wall, thus making you reach it, before any questions of 'infinity' come up.
But my question is this: Given that the universe is infinite...
Would you like a toasted tea cake?
That's another bready question.
^ It's not just bready, it's quite curranty too!
Yes, I believe it is. Would you like some toast?
If it involved fairy cake, however, there would need to be some form of Total Perspective about the whole subject. 
Yes it is. It rises in the yeast and sets in the west.
Yes it is. It rises in the yeast and sets in the west.
and the croissant moon.
I just hope we don't start waffling about the subject.
We should baguette in before the mod gets hot and cross. 
I mean, space is so big and vast as to accommodate all the bready puns in the world... but there's a time and a space (and several other dimensions) for everything.
I mean, space is so big and vast as to accommodate all the bready puns in the world... but there's a time and a space (and several other dimensions) for everything.
He's right. No more bread puns. Back on topic, everyone. Let's roll.
This thread certainly made me use my loaf, although I fear that any plans for further serious discussion on this topic are now brown bread. 
So let's get muffin'! 
The day somebody explains how the matter from the Big Bang magically appeared out of nothing is the day I believe in it.
^
I think the idea of matter appearing from nothing is like magic, or the religious idea of the universe being created from nothing.
But that is not part of the big bang. Anyone mentioning matter coming from nothing is making their own hypothesis, and you should not mistake that for the observed evidence and predictions that are part of the theory popularly called the big bang. There is no evidence that could be brought to bare on matter coming from nothing, thus it would not even be proper to call that idea a theory.
I think the idea of matter appearing from nothing is like magic, or the religious idea of the universe being created from nothing.
But that is not part of the big bang. Anyone mentioning matter coming from nothing is making their own hypothesis, and you should not mistake that for the observed evidence and predictions that are part of the theory popularly called the big bang. There is no evidence that could be brought to bare on matter coming from nothing, thus it would not even be proper to call that idea a theory.
It's not so much that matter came from nothing, as that it spread out from a point of essentially infinite density to begin with. There is no single "location" where the Big Bang occurred and matter "appeared"; every point in space lays equal claim to have originally been in the center of the Big Bang.
At least, that's my limited understanding.
Is infinite density more believable than spontaneous creation? That's up to you.
At least, that's my limited understanding.
Is infinite density more believable than spontaneous creation? That's up to you.
That's correct. If there was a "before" the infinite mass, we're not sure what it might have been, or how we might prove it, though there are a few hypotheses like brane theory and multiple dimension cosmology. But even if we proved those models, what came "before" them? Like a fractal perhaps it just keeps going.... or maybe we're part of a larger universe.
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