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Maybe because worlds are continuously created and destroyed, so they have no time to create life and then develop technological civilization. We are just lucky

by brutt 7y ago

Maybe because worlds are continuously created and destroyed, so they have no time to create life and then develop technological civilization. We are just lucky to fit tight limit.

Voloskaya 7y ago
That is pretty much the 'great filter' solution to Fermi paradox: there exist some kind of filter that prevents most life forms from being galaxy-spanning where they would be easily detectable.