rightwinger
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- Aug 4, 2009
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extent of our knowledge of extraterrestrial lives is well within those parameters
what knowledge of life within a 100 light years of earth
and advanced life with the 100 light years from earth less likely
if they exist in that zone we would have detected their noise
when we switched on our ears
Maybe yes..and maybe no. If the are smart they would have kept their mouths shut early on and limited long range transmissions to only those that could be disguised in amongst the random noise of the universe.
Predation at least on earth is the way of nature and there is no reason to suspect it would be any different out in space.
In short there is no good reason to give one's self away.
A smart alien might have only a few of our years of radio before turning off the beacon.
true or we are looking for the wrong type of signal
seti has now included spread spectrum signal
more in line with what a cell phone uses
Do aliens have smart phones?