> And - sometimes I don't think people get this - you reach Alpha Proxima 
> and radio back to Earth to say "hey, we got here, what next Houstan?"
>
> IT WILL TAKE CENTURIES FOR THE MESSAGE TO REACH EARTH! >_<

I wonder how much power you need to transmit with to be heard that far away?

I mean isn't the transmitter on Voyager or whatever about to go out of 
range, and that's only just left our own solar system!

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