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    Re: Delta-T
    From: Fred Hebard
    Date: 2004 Dec 3, 21:03 -0500

    On Dec 3, 2004, at 7:00 PM, George Huxtable wrote:
    
    > In reply to my posting about the long-term unpredictability of
    > planetary
    > orbits, Alex replied
    >
    >> ...I thought you were still talking about Tycho Brahe or anything
    >> else of
    >> "practical importance".
    >
    > ================
    >
    > ....
    >
    > But in terms of celestial navigation, not of "practical importance".
    > Nor
    > was Tycho Brahe's contribution.
    >
    > George.
    >
    
    I would say that Tycho Brahe's studies were fundamental to celestial
    navigation as we know it, although not directly.
    
    Fred
    
    
    

       
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