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

🤯 "Eternity in Six Hours": A thought-provoking study suggests that intelligent life could spread across the galaxy in just six hours, if advanced civilizations can travel at or near the speed of light, potentially sharpening the Fermi Paradox by questioning the absence of such intergalactic life.

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https://news.ycombinator.com/item?id=47740315

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https://www.researchgate.net/publication/256935390_Eternity_in_six_hours_Intergalactic_spreading_of_intelligent_life_and_sharpening_the_Fermi_paradox

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wallflower

id: 1754
uid: MvdjB
insdate: 2026-04-12 20:05:38
title: Eternity in six hours: Intergalactic spreading of intelligent life (2013)
additional: 🤯 "Eternity in Six Hours": A thought-provoking study suggests that intelligent life could spread across the galaxy in just six hours, if advanced civilizations can travel at or near the speed of light, potentially sharpening the Fermi Paradox by questioning the absence of such intergalactic life.
category: Hacker News
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guid: https://news.ycombinator.com/item?id=47740315
source_url: https://www.researchgate.net/publication/256935390_Eternity_in_six_hours_Intergalactic_spreading_of_intelligent_life_and_sharpening_the_Fermi_paradox
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author_name: wallflower
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