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Showing content with the highest reputation on 09/01/2015 in all areas

  1. xyz - Within the context of general relativity, space most certainly can expand and can be destroyed. Regarding the balloon analogy; most people misuse the analogy by thinking that its like a real balloon that, when expanded, occupies more space since they picture it as expanding into space. That's quite wrong and a misuse of the analogy. The analogy, correctly utilized, is that the surface of the balloon is what's expanding. But if you imagine that its expanding into something then you don't understand the analogy correctly. The analogy is one in two dimensions, not three dimensions. When you
    2 points
  2. xyz - I know the other version, and it suggests walls of space by suggesting by suggesting a balloons surface which is simply not true. If that's what you think then you do not understand the analogy. A 2D occupant in the surface of balloon can walk all over the surface and never hit anything which could be thought of as a "wall." That's the whole point of that analogy. Every time you claim you know the analogy you say something which tells us that you really don't understand it like you did in that comment.
    1 point
  3. xyz, try also to support your statements. Eg., the following are really strong statements and you do not support with anything: Or By just presenting statements like you did, you just lose all credibility...
    1 point
  4. The truth of the matter is that nobody knows what was before the big bang. There's a theory called the Pre-Big Bang scenario which is based on string theory. Try looking it up using Google.
    1 point
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