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Old 06-19-2019, 01:44 PM
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ceptimus ceptimus is offline
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Join Date: Aug 2004
Location: UK
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Default Re: A Sample of...One

I'm of the opinion that species capable of space travel that are only a few hundred years more advanced than ourselves are vanishingly rare - otherwise we would have seen the evidence by now. I think if we are still around in a few hundred years, we'll then have the capability to send out self-replicating probes which will then spread out and multiply exponentially to explore the galaxy over the next few tens/hundreds of millions of years.

A few hundred million years is nothing when compared to the age of the universe, so you'd expect that if other space-travelling species have existed, at least one of them would have evolved early enough that we should see their probes here by now.
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