scott wrote:

>> 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!

I think Voyager uses something like 10 watts or so?
-- 
Stefan Viljoen

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