A Flying Object
25 June 2008, 04:52 PM
#31
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If space as we know it is a ball that erupted out of a single point in the big bang, what is there to say that there have not been other big bangs, each generating their own ball of space? Just as a fish in a pond would believe its pond to be the limit of known space - it wouldn't know about the pond in the garden next door.
25 June 2008, 05:00 PM
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25 June 2008, 05:13 PM
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25 June 2008, 05:21 PM
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25 June 2008, 05:23 PM
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25 June 2008, 07:00 PM
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25 June 2008, 07:01 PM
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If space as we know it is a ball that erupted out of a single point in the big bang, what is there to say that there have not been other big bangs, each generating their own ball of space? Just as a fish in a pond would believe its pond to be the limit of known space - it wouldn't know about the pond in the garden next door.
25 June 2008, 10:57 PM
#38
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There has to be an edge, a boundary and where that exists there has to be something the other side of it. If you say that is where 'space' stops there has to be something marking that end point, then beyond that point something else exists.
25 June 2008, 11:30 PM
#39
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Why should something else exist? Space could be considered a never ending void. It just happens to have the universe that we are a part of in it. The 'edge' of the this universe could be considered the futherst part matter has travelled to from the point of the big bang, if you subcribe to that theory and the growing sphere view of it all.
Space could also be considered the void between the nucleas and the electron field in an atom. Its a small space but hey its there.
I suppose it all comes down to the definition of space, of which I probably am totally wrong
Space could also be considered the void between the nucleas and the electron field in an atom. Its a small space but hey its there.
I suppose it all comes down to the definition of space, of which I probably am totally wrong
Last edited by Jay m A; 25 June 2008 at 11:32 PM.
25 June 2008, 11:53 PM
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Outside the universe there is nothing, a void, time does not exist, space does not exist, nothing exists.
You have cannot have a boundary, because there is nothing to have a boundary with - To had an "edge" a "wall", there has to be two things divided (like say, the wall of your house, and the air ouside).
There is the universe, and there is nothing - But the nothing is just that, nothing not something.
Read some of Hawking, or even better "A Short History of nearly everything" by Bill Bryson, he goes into all this sort if thing. And its a great read to boot.
26 June 2008, 12:35 AM
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There is no edge, no boundary in the conventional sense. You are thinking along the lines of solid objects. The rules are not the same.
Outside the universe there is nothing, a void, time does not exist, space does not exist, nothing exists.
You have cannot have a boundary, because there is nothing to have a boundary with - To had an "edge" a "wall", there has to be two things divided (like say, the wall of your house, and the air ouside).
There is the universe, and there is nothing - But the nothing is just that, nothing not something.
Read some of Hawking, or even better "A Short History of nearly everything" by Bill Bryson, he goes into all this sort if thing. And its a great read to boot.
Outside the universe there is nothing, a void, time does not exist, space does not exist, nothing exists.
You have cannot have a boundary, because there is nothing to have a boundary with - To had an "edge" a "wall", there has to be two things divided (like say, the wall of your house, and the air ouside).
There is the universe, and there is nothing - But the nothing is just that, nothing not something.
Read some of Hawking, or even better "A Short History of nearly everything" by Bill Bryson, he goes into all this sort if thing. And its a great read to boot.
I will try and get that Bill Bryson book. I don't pretend to know anything about this stuff or the physics behind it, it is only my take on that for something to end I believe there has to be something else starting, whether it be solid or gas or a vacuum. Space ending and there being 'nothing' isn't possible (understandable) to me because nothing doesn't exist so can not be there at the end of space. So if you were to get to the end of space how would it change to be just nothing - there has to be a physical change marking its end point.
The frustrating thing is no one will ever know, all anyone has is just theories to go on compiled by very clever people that will never be proved right or wrong.
26 June 2008, 08:40 AM
#42
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The idea is that the universe "creates" existance as it expands, but it is expanding into nothing.
The brain cannot cope with the concept of an infifinty of "Nothing" - It's just too much.
That said, we could be expanding into a bowl of warm custard
Even more mindboggling is the stuff of quantum physics, where the rules of the macro world do not exist at all - Travelling faster than light and teleportation are common place in the world of particles - Again, covered in Brysons book.
The best thing about the book is that you start out with an interest without knowing too much about it, and you come out the other end having been thoroughly entertained and with a very basic knowledge of what the current theories are and how we got to them.
Before I read the book I had no idea what a Large Hadron Collider was and why it mattered. Now I know what it is, why its important, and quite excited about the results.
Bryson, you owe me money,
26 June 2008, 08:47 AM
#43
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It is a good read, his Shakespere analogy gets you thinking - in fact I think I started a thead in NSR about it many years ago 
26 June 2008, 08:53 AM
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S: (n) theory (a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena) "theories can incorporate facts and laws and tested hypotheses"; "true in fact and theory"
S: (n) hypothesis, possibility, (a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena) "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
S: (n) hypothesis, possibility, (a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena) "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
26 June 2008, 10:55 AM
#45
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The programme :
"Beyond a Type 1 Universe
Dr. Michio Kaku, founder of the string field theory made it his life's mission to doscover the equation that leads us through parallel worlds - that could lead to a meeeting with God." .......
.... on Sky the other day was a good one on this subject. If it's on again you should watch it.
"Beyond a Type 1 Universe
Dr. Michio Kaku, founder of the string field theory made it his life's mission to doscover the equation that leads us through parallel worlds - that could lead to a meeeting with God." .......
.... on Sky the other day was a good one on this subject. If it's on again you should watch it.
26 June 2008, 11:54 AM
#46
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The real answer of course is that we just don't know the answer to it all. All sorts of very clever amd intelligent people can come out with all manner of theories but in the end that is what they are-theories.
I can't see us ever having the full knowledge about space and the universe that we actually know about, and certainly not about what could be going on beyond what we can see and experience. We go by the laws of nature that we observe and understand the results of them, but for all we know, those laws might be totally different in other parts of our universe or any other that may exist. When you actually think about the vastness of it all it is overpowering to say the least.
You never know, we might find out a bit more if there is an after life. We shall all have to wait and see!
Bryson's book is very well written and worth reading. Takes a while to get through it though.
Les
I can't see us ever having the full knowledge about space and the universe that we actually know about, and certainly not about what could be going on beyond what we can see and experience. We go by the laws of nature that we observe and understand the results of them, but for all we know, those laws might be totally different in other parts of our universe or any other that may exist. When you actually think about the vastness of it all it is overpowering to say the least.
You never know, we might find out a bit more if there is an after life. We shall all have to wait and see!
Bryson's book is very well written and worth reading. Takes a while to get through it though.
Les
26 June 2008, 12:19 PM
#47
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S: (n) theory (a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena) "theories can incorporate facts and laws and tested hypotheses"; "true in fact and theory"
S: (n) hypothesis, possibility, (a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena) "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
S: (n) hypothesis, possibility, (a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena) "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
26 June 2008, 12:22 PM
#48
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ped·ant
–noun
1. a person who makes an excessive or inappropriate display of learning.
2. a person who overemphasizes rules or minor details.
3. a person who adheres rigidly to book knowledge without regard to common sense.
4. Obsolete. a schoolmaster.
–noun
1. a person who makes an excessive or inappropriate display of learning.
2. a person who overemphasizes rules or minor details.
3. a person who adheres rigidly to book knowledge without regard to common sense.
4. Obsolete. a schoolmaster.
26 June 2008, 01:17 PM
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26 June 2008, 02:27 PM
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Depends what you mean by "finally proved". Will any scientifc theory ever be stamped as definitive and never to be changed? No, science always leaves the door open to new evidence, but once something is a theory it's as close to proof as you're going to get.
26 June 2008, 03:07 PM
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26 June 2008, 03:07 PM
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26 June 2008, 03:18 PM
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was very strange at the time, i thought it might have been so called ball lightning at first due to the amount of electrical storms at the time...
when i first saw the helicopter footage it struck me straight away and i think its the perspective and that the chopper is moving that makes it appear its flying fast...
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