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Location: UFOUpDatesList.Com > 2013 > Sep > Sep 17

Re: The New Search For Alien Civilizations

From: Carol Maltby <carolmaltby.nul>
Date: Mon, 16 Sep 2013 15:34:17 -0400
Archived: Tue, 17 Sep 2013 06:23:16 -0400
Subject: Re: The New Search For Alien Civilizations

>From: Ray Dickenson <r.dickenson.nul>
>To: <post.nul>
>Date: Sun, 15 Sep 2013 16:01:59 +0100
>Subject: The New Search For Alien Civilizations

>Aeon Magazine has a nice, if wordy, article on the search for
>"Archeological ruins of alien civilizations"


>About a third of the way in it describes how today's
>accumulation of astro-data is permitting many folk to search for
>Dyson spheres, for signs of techno-structures transitting parent
>stars, for "Fermi bubbles" - patches of a galaxy that show
>higher infrared emissions than the rest which could be a sign
>that a civilisation is gradually transforming a galaxy as it
>works its way across it, for signs of large-scale asteroid
>mining, and to investigate `blue straggler stars' which could
>mark a Kardashev Type II culture trying to preserve its habitat.

>Interesting stuff, maybe more could be suggested?

I was disturbed by the only scale being considered in the
article - looking for Dyson spheres or evidence of Kardashev
civilizations. It's as if they have already written off our
solar system as being unlikely to have any evidence worth having
a planetary SETI examination. I expect Gilster, creator of the
blog Centauri Dreams, to primarily have an interstellar
perspective. Yet I'm surprised that the need for archeological
thinking on a smaller scale got no mention.

Sure, big things would be easier to spot from far away, no doubt
about that. But does that mean there's already an assumption
that archeology looking for human-scale artifacts will have no
institutional support? Have they won the fight that never
started, to shape the definitions of the scope of

Carol Maltby

Listen to 'Strange Days... Indeed' - The PodCast



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