On The Origin of Space-faring Species

On cosmic and species time-scales, natural selection must ultimately select for space-faring species. If the dinosaurs had a colony on Mars, they might still be alive today. These Russian meteorite videos are a helpful reminder that all our metaphorical eggs are in one tiny, fragile basket - if we don't set our sights on inhabiting new worlds, we'll probably eventually go the same way the dinosaurs went, or via some other 'galactic threat', such as a nearby supernova.

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