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Splinter
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« on: February 03, 2012, 02:52:40 PM » |
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This video really got me thinking and I later had to lie down in a darkened room. Much of it made a lot of sense, like the sub divisions of a simple ruler. http://www.youtube.com/watch?v=dG1JpC5jels#ws |
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Glamdring
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« Reply #1 on: February 04, 2012, 09:43:01 PM » |
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No, it's not. it's a non-question, since the universe is as big as it is just now, but tomorrow it'll be bigger, it grows all the time at an increasing rate.
There is no edge to the universe since spacetime stops at that (growing) edge.
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« Last Edit: February 04, 2012, 09:44:29 PM by Glamdring »
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keasy
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« Reply #2 on: February 04, 2012, 10:05:35 PM » |
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Weeeellllll, yes , yes it is.
It's doughnut shaped and as such infinite in standard geometric shape contexts.
If you buy that theory that is.
Then again, if no electron can exist in the same quantum state in time/space at the same level and they all balance out practically instantaneously then the universe is incomprehensibly small.
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« Last Edit: February 04, 2012, 10:07:22 PM by keasy »
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« Reply #3 on: February 04, 2012, 10:28:23 PM » |
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And it's bigger than we are able to see since we can only see back around 13.5 billion years (the Observable Universe).
As far as we are able to ascertain, the 'edge' could be as much as 50 billion light years away, given the intervening expansion...and growing.
The Hubble Deep Field (and Ultra Deep Field) observations really put the icing on the cake.
I think we are smaller than a Neutrino (10-26) as compared to us, as we are to the entire Universe (1024)..give or take a couple of orders of magnitude.
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BarrieB
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« Reply #4 on: February 05, 2012, 09:31:06 PM » |
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We are actually part of a molecule in someone's leg.
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digidix
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« Reply #5 on: February 05, 2012, 09:38:23 PM » |
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I can't see how space or the universe is of a finite size
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« Reply #6 on: February 06, 2012, 12:55:03 PM » |
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The radius of the universe has to be 13.7bn light years away from the centre. That's how far the first photons have reached. My understanding is that there is no 'outside' beyond that; there is no blank, empty space for the photons to travel into. They take space/time with them as they go.
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« Reply #7 on: February 06, 2012, 01:45:40 PM » |
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This for me is where the concept of infinity fails. If the universe is expanding constantly, then it must be expanding in to something, which logically must also be infinite as otherwise the universe cannot expand infinitely. But then that means that the universe infinity is smaller than the expanding area infinity. If it is the same size and expanding at an identical rate... it must be expanding in to something else in a higher layer, which logically again has to be bigger, or the same size, repeat etc. If if that thing is nothingness, nothingness must logically be larger.
It's like how the infinity certain infinities in our mathematics must logically be larger than others... for example, if logically there can be be an infinite fractions of a single digit, infinity must fit within the 0-1 numbers... so 1-2 must also contain it, and so on. Which basically means it's infinity larger than the integer version. But then, there are two types of infinity now.
It is certainly possible space isn't infinite, or may not stay that way. It might be one of those things we might never answer actually.
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« Reply #8 on: February 06, 2012, 01:49:53 PM » |
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That's the whole point. It isn't expanding into something. It takes the 'something' (space/time) with it as it goes. There is no 'outside' so that's what makes our brains bend.
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« Reply #9 on: February 06, 2012, 08:23:34 PM » |
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^^ That's what I believe also but the numbers mentioned hurt my brain, they are absolutely astounding.
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« Reply #10 on: February 06, 2012, 09:24:42 PM » |
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With these questions, it seems that we are trying to define something we can't quite grasp. Can one infinite necessarily be used to define another? I also don't see geometry being able to be used in the description of infinite. Maybe it can be used to describe something with in infinite, but not infinite itself. I'm confused. How are we supposed to grasp a concept or answer a question when we can't accurately describe. I'm dumb, because I can't visually grasp the meaning of infinite. I can say "To infinity and beyond" in my super hero cape, but I couldn't give directions to beyond. :P
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Splinter
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« Reply #11 on: February 06, 2012, 10:09:29 PM » |
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Therm, you've obviously seen 2001 A Space Odyssey to many times, like me.  |
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« Reply #12 on: February 06, 2012, 11:15:43 PM » |
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The universe is finite.
I know, I hold it in my hands.
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« Reply #13 on: February 07, 2012, 10:34:38 AM » |
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All is a construct of your brain or thought process. When you die so does the universe. I believe the universe is so grand it wants something to admire and understand it. Something so smart that it will look and wonder . . . enter the human nervous system:  |
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« Reply #14 on: February 08, 2012, 12:00:40 AM » |
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I'm pretty sure there's life out in the universe much more capable of admiring any putative god that our puny selves.
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I exist in a dark place where no light intrudes and none is promised. It's growing yet darker.
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