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A comment on Observable Universe contains 10x more galaxies than previously thought (2016). Parent comment

Re:Observable Universe contains 10x more galaxies than previ... by gfodor on Thursday January 04, 2018 @06:21AM (#16069486)
It's extremely odd that we don't see autonomous probes from other civilizations that are used to monitor and disable technology that exposes existential risk to them. (For example, runaway AI would jeopardize all life if it were to expand at light speed.)
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Re:Observable Universe contains 10x more galaxies than previ... by Razengan on Thursday January 04, 2018 @06:45AM (#16069617)
Can you imagine the likelihood of detecting such probes?

Can we even detect any of the probes that we ourselves have sent out, without knowing exactly where they are and how to communicate with them?

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Re:Observable Universe contains 10x more galaxies than previ... by kowdermeister on Thursday January 04, 2018 @06:51AM (#16069646)
Maybe if they are advanced enough to send those probes specially if it's for _their_ defense then it's pretty well cloaked and small?
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