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To: RightWhale
10 billion light years is over halfway to the edge of the universe.

You mean halfway to the edge of the *observable* universe. We can only 'see' or detect things that are close enough for their light to have reached us during the lifespan of the universe. And the universe can, theoretically, expand FASTER than light (in apparent violation of Einstein's special relativity). However, this is only because the phenomenon doesn't involve an object physically moving *through* space, but rather the dimensionality of space-time stretching.

FGI: one light year, the *distance* light travels in 1 year--at 186,000 miles per second, is roughly 6 trillion miles! 6,000 BILLION miles!

FGI (I think I just made it up?) = "for general information".

16 posted on 04/30/2008 8:30:37 AM PDT by Eye On The Left
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To: Eye On The Left

We don’t actually know that either.


18 posted on 04/30/2008 8:34:36 AM PDT by RightWhale (Repeal the Law of the Excluded Middle)
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To: Eye On The Left
"You mean halfway to the edge of the *observable* universe"

If the universe has an edge, then what's on the other side of that edge?

36 posted on 04/30/2008 12:07:34 PM PDT by joebuck (Finitum non capax infinitum!)
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