What If We Encounter Sentient Life and We Don’t Recognize It?

Will we recognize life if and when we find it elsewhere in the cosmos? It’s a challenging question because we have only the example of life on our own world to work with. Fred Hoyle’s The Black Cloud raised the question back in 1957, a great memory for me because this was one of the…

via SETI and Astrobiology: Toward a Unified Strategy — Centauri Dreams

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