[hacker news] Eternity in six hours: Intergalactic spreading of intelligent life (2013)]

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Eternity in six hours: Intergalactic spreading of intelligent life (2013)]

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本文首发于 hacker news。

阅读原文：[Eternity in six hours: Intergalactic spreading of intelligent life (2013)]](https://www.researchgate.net/publication/256935390_Eternity_in_six_hours_Intergalactic_spreading_of_intelligent_life_and_sharpening_the_Fermi_paradox)