Threats to Interplanetary & Interstellar Civilizations (5x45)
Exibido em:: Ago 01, 2019
Natural disasters can topple civilizations, even in modern times, but with more and more technology civilizations become more robust and capable of predicting future calamities and preventing such ruin. So what other threats face spacefaring civilizations, both at the interplanetary and interstellar scale?
