Why Haven't We Heard from Anyone Yet? A Fermi Paradox Primer (naic.edu)
submitted ago by emk
If the galaxy should be old enough for advanced civilizations to spread, then where is everybody?
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Why Haven't We Heard from Anyone Yet? A Fermi Paradox Primer (naic.edu)
submitted ago by emk
If the galaxy should be old enough for advanced civilizations to spread, then where is everybody?
mori 18 points ago
My favorite explanation is that intelligent civilizations are just incredibly short-lived compared to cosmic timescales.
terry 7 points ago
The dark forest theory is terrifying, but it does explain why the universe might sound so quiet.
sara 2 points ago
Could also be that we're early. Maybe most habitable planets just haven't had enough time to evolve technological life yet.