Quote:
Originally Posted by Fuzz
So if there is life out there, but we have no way of detecting it or communicating with it, effectively we will be alone. Like if a tree falls in the forest merged with Schrodinger's cat, it is then a philosophical question. We can't ever know, and if that is the assumption, does it matter?
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Its a constraint that is generally not placed on the Drake equation as we assume eventually tech develops to have FLT communication or travel. Putting a speed limit on Drake and asking the question of is there life in the universe that we would interact with if the speed light cannot be exceeded definitely reduces the odds.
Effectively the Brief Window hypothesis as outlined by Lanny above.