Quote:
Originally Posted by Superman
We have been listening for radio signals for decades, and found none.
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The amount of time we've been listening and the miniscule slice of one tiny part of the universe we've managed to observe are statisically irrelevant. Even when we've been listening for 1000 yrs., it would be still the equivalent of taking a drop of water out of the ocean and concluding the Earth had no fresh water to sustain humans.