3 ms·Maybe the falloff in output has convinced them our civilization is dying and not worth contacting.by talmand 12y agoMaybe the falloff in output has convinced them our civilization is dying and not worth contacting.daeken 12y agoConsidering that our radio waves haven't traveled very far, I doubt this is true. Remember, a planet 60 light years away is just now hearing Elvis for the first time.talmand 12y agoThe ships hiding on the dark side of the moon have heard everything...