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Originally Posted by Van Rijn
And, if you were five billion light years this way or that, you would still see as far, as noted in the article. There is nothing special about our location.
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And how do we know this?
We're not five billion light years this way or that, and we can't go five billion light years to check. At the moment we're limited to our one planet, and couldn't even get out of a low orbit around it if we wanted to (we would have to build the hardware first).
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Anyway, if you're planning on arguing for Geocentrism, then I'd suggest taking it to ATM.
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No, I'm certainly not arguing that everything rotates around the Earth.
I said earlier (in the question of whether Fermi's paradox is useful) that I think our knowledge of cosmology is extremely limited, and I stand by it. There is a lot we just don't know (yet).
Among other things, apparently the idea that there is nothing special about our location in the universe is an assumption that cannot actually be tested at this point, and therefore is not a strictly scientific idea. We can build theoretical structures on top of it as simply the best idea we have at the moment, but we shouldn't declare it to be proven scientific truth.
If the article is correct and there is a "cosmic event horizen" surrounding us, then anything outside it effectively doesn't exist for us and never will, since we can't interact with it in any way. The universe effectively does have boundries, at least as far as we are concerned, and it turns out we actually are at its center after all. Not in a literal, but in a practical sense.