From: "Geo" 

"Phil Payne"  wrote in
message news:443cde44$1{at}w3....

> It's a sobering thought, according to Sagan, that the main clues of life
on
> Earth from the point of view of an approaching alien spacecraft are
country
> music and cow farts.

Yeah but signs of man only reach about 100 light years from earth, a
distance that should be considered extremely local.

For us to detect life or for other life to detect us it would need to be
within that sphere during the time period that the civilization was noisy.
Seems really unlikely to me.

Geo.

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