HWH COMMENTARY: Who says an alien civilization needs to be advanced to exist? Because it's so far away? Or because we're so far from it, that we're the advanced ones? In which direction along the time frame before it starts bending are you referencing? Or are we basing that assumption on biological constraints? Who says … Continue reading Advanced Alien Civilizations May Produce ‘Technosignatures’ That We Could Find, Experts Say
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