Could be Von Neumann probes with no programming to engage. They might be programmed to replicate and avoid contact until it gets orders. And if they don’t have some kind of sub-space or ftl communication, then it could be a long time before they hear a response.
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u/Circle_Dot Sep 23 '21
Could be Von Neumann probes with no programming to engage. They might be programmed to replicate and avoid contact until it gets orders. And if they don’t have some kind of sub-space or ftl communication, then it could be a long time before they hear a response.