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Q&A Could a species with a lifespan of 20 years achieve enough technological progress to reach space?

I'm current planning a story which includes a race of diminutive humanoid aliens, one of whom crash-lands on Earth. They're fully sentient, and have the same average intelligence level as humans. T...

13 answers  ·  posted 6y ago by F1Krazy‭  ·  last activity 6y ago by F1Krazy‭

Question biology reality-check technological-development xenobiology