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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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