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cultural hurdle
The hypothetical survival requirement for a planetary culture between the time it achieves technology capable of quickly altering the planetary environment and the time it can establish viable bases off its planet; the uncertainty of the probability of survival affects our estimate of the probability of intelligent life elsewhere in space.
Related entry
• extraterrestrial civilizations, lifetimeRelated category
• SETIAlso on this site:
Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History