Quote:
Originally Posted by Ihealyou
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Another not depressing theory is that we're just too far away from any aliens to communicate. We're sending a signal to stars 24,000 light years away. Assuming that there are aliens there, what are the chances that they are still listening? Even if they are listening, we would have to wait another 24,000 years to hear a response, and much longer if we were to expect some kind of visit or other contact.
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That would be true if radio waves traveled at the speed of light.