Re: [Paddlewise] Longitude and astronomy

Craig: Is the answer to the last question kangaroos?

Brad

Subject: Re: [Paddlewise] Longitude and astronomy


> On Thu, Jul 29, 2010 at 4:26 AM, <rebyl_kayak_at_energysustained.com> wrote:
>
>>  Seems as if some measure of time is needed as well. But I know from 
>> market
>> gardening in the 60's that ancient gardeners don't need clocks to tell 
>> the
>> time, Imagine the same could be true of islanders!
>>
>
> The islanders certainly didn't need any clocks to determine local time;
> practically anyone can estimate the time by looking at the sun. But this 
> is
> useless for determining longitude because all you can measure is high 
> noon.
> You just don't know if it's high noon at position X or high noon at 
> position
> Y. High noon comes to everyplace once every 24 hours. How would you know,
> absent some geographical reference, whether you were observing high noon 
> in
> Boise, Idaho or high noon in Perth, Australia?

> Craig Jungers
> Moses Lake, WA
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