1) Message boards : SETI@home Science : Don’t call the aliens,they might not be friendly (Message 708447) Posted 5 Feb 2008 by Capjaneway Post: I don't think sending out radio signals into space is a big deal. When the visitors are advanced enough to travel to us, we can safely assume they can detect our little blue planet by many other means as well. (shifting stars, spectral measurements of our atmosphere in the event of an ecplise, VERY advanced optical telescopes...) I have some very explicit ideas about alien life, being here already, as we speak.... Since I cant really back any claims watertightly, I will wait until I have the capacity to do some research of my own, as soon as I'm a few years into college. (im gonna study astronomy yeehaahhh!) edit @Pziads (or something lol sorry): I completely agree. That's why the idea that aliens can be here RIGHT NOW doesnt have to be rediculous.

 
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