[extropy-chat] SETI: First radio signal from alien

Eugen Leitl eugen at leitl.org
Sat Sep 4 07:44:34 UTC 2004


On Fri, Sep 03, 2004 at 03:58:24PM -0700, The Avantguardian wrote:

> > If you can see them, why are they not here?
> 
> Well considering they are 1000 LY away, Marconi's
> transtlantic radio broadcast won't reach them for 900
> more years, even if they had the tech to pick up such
> a ridiculously weak signal. So maybe we found them
> before they found us.

Building and launching a relativistic self-rep probe 
is the equivalent of a science fair project for an advanced culture.

Arecibo is for the galactic nursery strictly.

Transmission in the hydrogen band as a means to initiate contact? Gimme a
break.

Have you noticed how Earth looks from space over several last decades? Bright
monochromatic sources are an earmark of primitive communication.

-- 
Eugen* Leitl <a href="http://leitl.org">leitl</a>
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