What do you think will be the fate of the universe?

  • Thread starter Gold Barz
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In summary, the fate of the universe is still up in the air. There is a lot of speculation surrounding the topic, and there is no clear evidence as to what will happen to the universe.
  • #36
Gold Barz said:
What do you guys think of other Pockets Of Space/Time existing outside of ours? the possibility? probability?
They are irrelevant.
 
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  • #37
Gold Barz said:
What do you guys think of other Pockets Of Space/Time existing outside of ours? the possibility? probability?
If you can describe how such things could be observed, even if only from their indirect footprints, even if only in principle, then we might be able to have a good discussion of this, here in GA&C. Otherwise, how would you distinguish ideas such as these from fact-free speculation?
 
  • #38
thats true they are irrelivant i just wanted to see how many of you believe that they exist
 
  • #39
Irrelevant = they do not exist in the language of physics. The probability of them not existing is 100%.
 
  • #40
well that's true, so the probability of them existing is what percentage? 50%? 100%?because were living in one

hey could it be that the universe goes through phases, like right now were just in a transition to another form or something of that idea?
 
  • #41
Gold Barz said:
well that's true, so the probability of them existing is what percentage? 50%? 100%?because were living in one

hey could it be that the universe goes through phases, like right now were just in a transition to another form or something of that idea?
Here is an old paper by Lee Smolin in which he turned the anthropic principle on its head and speculated that all the unitless constants in our Universe are at their current values to maximize the production of black holes, which in turn become isolated universes. This paper will make your head hurt!

http://xxx.lanl.gov/abs/gr-qc/9404011
 
  • #42
isolated universes? do the author mean like a bubble universe?
 
  • #43
Gold Barz said:
isolated universes? do the author mean like a bubble universe?
Just read the paper and you'll see... He said not only that black holes are separated from our universe by their event horizons (pretty non-controversial), but that the inhabitants of such black hole universes will look out around themselves and find themselves looking back in time to a singularity, just like we do. Hum...
 
  • #44
cool, i am going to read it tomorrow
 

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