On Fri, Dec 14, 2001 at 07:02:04AM -0800, Robert J. Bradbury wrote:
>
> According to this article: "Cosmos to freeze-frame" from Nature
> Science Update: http://www.nature.com/nsu/011220/011220-4.html
> there is a not so insignificant problem to be caused in about
> 50 billion years due to the accelerating expansion of the Universe.
> Essentially our perception of other galaxies will go into
> a freeze frame mode and then gradually fade to black. After
> 100 billion years we will only be able to see ~1000 galaxies.
...
> So an interesting question will be whether it will be
> feasible for advanced civilizations to navigate themselves
> at sufficiently fast velocities to overcome the expansion
> or whether, in the end, there will be only one...
As far as I remember, the expansion will move fast enough to make it
impossible to outrun it unless you have a superluminal ship. See
"Cosmological Constant and the Final Anthropic Hypothesis" by Milan M.
Cirkovic and Nick Bostrom: http://xxx.lanl.gov/abs/gr-qc/9906042
which is *very* gloomy.
We better find a way of making baby universes *fast*.
-- ----------------------------------------------------------------------- Anders Sandberg Towards Ascension! asa@nada.kth.se http://www.nada.kth.se/~asa/ GCS/M/S/O d++ -p+ c++++ !l u+ e++ m++ s+/+ n--- h+/* f+ g+ w++ t+ r+ !y
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