They're already here ;)
In all seriousness, I though RF signial propagated out spherically from a central point, if so
wouldn't we actually be recieving a little bit of all the signals send from the hemisphere of the
source planet that was facing us? I could be wrong.. I hated that part of physics in school.
Brett
--- Ron Johnson <ron.l.johnson@cox.net> wrote:
> You are absolutely right. I was intellectually lazy, since there are
> so many billions and billions of stars, and thus the likelyhood of life
> being out there is a virtual certainty.
>
> However, the distances are so great, and RF still only travels at a
> fixed speed, and, compared to the vastness of space, there aren't that
> many stars. Thus, any message round trip (send, interpret, decide
> response, respond) would take many, many decades. Also, how do the
> aliens decide which direction(s) around the sphere to send the codes?
> Also again, even if you send RF messages to each 1/100th of second of
> degree, after a few hundred billion miles, there will be large gaps
> between each RF beam. ((This is presuming that the codes are sent
> out in beams instead of broadcast, to ensure energy concentration.)
> Then, since a light-year is 5.87 bn miles, and that beam may have to
> go 10 or 20 (or much more!) light-years before reaching Sol's neighbor-
> hood, the gaps between each (now *extremely* faint) beam are enormous.
>
> Thus, IMHO, I don't think that even the wealthiest worlds would do such
> a thing.
>
> On Wed, 2002-12-18 at 17:53, bad-magic-number wrote:
> > On the date of 12/18/2002 12:08:25 PM , Ron Johnson <ron.l.johnson@cox.
> > net> spoke:
> > >Instead of searching cosmic static for non-existant aliens, the rc5-72
> > >project from http://www.distributed.net uses the same concept (hence
> > >the name) to use brute force to do mathematical-type things.
> >
> > That's a bit presumptuous... Live undeniably exists outside our Solar
> > System based on mathematical probability... To say something only
> > happened in one place in a universe this size would be pure folly.
> >
> > And it may very well be intelligent, but:
> >
> > 1. We might not find it since we can only see a sliver of the sky at
> > Arecibo... 2. We may not know what to look for since the maybe very
> > well be more advanced than us. We are cosmic infants as Homo Sapiens
> > are a young species.
> >
> > And of course life outside our Solar System might very well not be as
> > intelligent as us...
> >
> > Its a big universe and ludicrous to think we are singular and "special"
> > in a cosmic sense.....
>
> --
> +---------------------------------------------------------------+
> | Ron Johnson, Jr. mailto:ron.l.johnson@cox.net |
> | Jefferson, LA USA http://members.cox.net/ron.l.johnson |
> | |
> | "My advice to you is to get married: If you find a good wife, |
> | you will be happy; if not, you will become a philosopher." |
> | Socrates |
> +---------------------------------------------------------------+
>
> ___________________
> Nolug mailing list
> nolug@nolug.org
=====
I know who stole those lunches...it was that damn sasquatch!!!! -- "Billy Madison" (1995)
#! ~/myInfo
set url http://www.brettsbsd.net
set eFax (253)484-8755
#A.M.D.G
exit 0
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Received on 12/18/02
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