Astronomy Site: Meade Advanced Products Users Group Archive: Re: [M]: Fwd: LMT HOME PAGE

 
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Subject: Re: [M]: Fwd: LMT HOME PAGE
From: Bill Arnett
Reply To: mapug@shore.net
Date: Mon Jan 12 20:42:51 1998

While you're here, how about checking out the Astronomy Book List ?

At 6:10 PM -0800 1/12/98, R0BERT PROSKEY wrote:
>.... Isn't it thought that
>some of the reflecting pools in some of the ancient but advanced
>civilizations were actually filled with mercury and used as astronomical
>observatorys?

I don't see how. A flat mirror isn't sufficient for making a telescope. A
liquid mirror must be spun in order to form a parabolic shape.

---
Bill Arnett "Science is a way of trying
San Jose, CA USA not to fool yourself." -- Feynman



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