Quote:
Originally Posted by eburacum45
I am suggesting that the Great Filter concept also might have a benign interpretation, where advanced civilisations dissapear from view because they become invisible on purpose. This invisibility could be explained by the Zoo hypothesis, or by civilisations which hide inside terrestrial planets, stars, neutron stars or black holes; it could be explained by civilisations patterened into the quantum foam, or into the strings that make up matter, or decanted into baby universes.
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Then again, there could be interstellar civilizations that, through no exotic means, simply have yet to be observed. Considering that our own star wouldn't be obvious to any great distance, it doesn't seem that there would be a need for exotic methods to remain unobvious.