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Originally Posted by Darnon
It's hard to assume that a probe would travel in a straight line, especially since we don't know what it is passing in the gravitational influence of. For all we know, some of our probes may be coming right back at us after slingshotting around some body.
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While grocery shopping a little while ago, I was thinking about that and other things that would cause the craft's path to change. I'm not sure what to do about that, except to include the pulsar triangulation plaque as well. It seems to me that if the aliens get into the general vicinity of Earth that they wouldn't have much trouble spotting us.
Or we could have all our probes trail a long wire behind them...
Aporetic
www.polisci.wisc.edu/~rdparrish