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01-27-2013, 01:26 PM
Stand-Up Philosopher
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I think the fundamental issue missing from the question is what are the chances life on other planets is as short as ours. Could species on other planets live for many times the length we do, as in perhaps mellenia or what we might call eons? If so, then the question is yes, even if they have technology comparable to our own.

Though we don't quite have the ability right now to do long travel safely, we'd probably be much closer to it if our lifespan didn't make it completely impractical. If we each lived for a couple thousand years, it'd be much more practical to make lengthy journeys through the cosmos.

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