Quote:
Originally posted by Kakero:
"advance life" ? if they are advance, they would have found us already by now. no need for us to search for them.
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actually, our own radio transmissions have not yet reached this particular star system, so they really have no direct way of detecting our civilization [img]smile.gif[/img] . well, unless they can visually detect the earth in which case they could spectroscopically determine the chemical composition of our atmosphere; oxygene and methane are a sure give-away of life...