All over the universe, planets capable of supporting life will have evolved intelligent organisms. All over the universe those organisms will have invented systems of living that enable a small number of them to gain a very large share of the resources of the planet. All over the universe those systems will develop patterns of consumption of resources that make the planet incapable of supporting life and result in the eventual extinction of all the life forms on the now dead planet.
nomdeplume 
When we’re seeing light from those systems 450 million years old, chances are it’s happened many times already. A long time ago, in a galaxy far far away….
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