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Hapax legomenon



 
 
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Old January 23rd 18, 06:49 PM posted to sci.astro.amateur
Gerald Kelleher
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Default Hapax legomenon

The great system of the Greeks was to discriminate between the planets and the Sun by their motion through the Zodiac -

"Moreover, we see the other five planets also retrograde at times, and
stationary at either end [of the regression]. And whereas the sun
always advances along its own direct path, they wander in various
ways, straying sometimes to the south and sometimes to the north; that
is why they are called "planets" [wanderers]. Copernicus

This system is limited to predicting events as it is an outrigger of the calendar system but at least Copernicus tried to account for direct/retrogrades using this geocentric framework with inevitable limited success.

Then came Right Ascension/ Declination where even the Sun moved with North and South with the planets -

http://www.davidcolarusso.com/astro/

This framework has exploded recently with the emergence of celestial sphere software which suits the magnification/identification hobbyists and the theorists who couldn't care less but for genuine astronomy it is hopeless.

It is a badge of the most intelligent and courageous people to make distinctions that most can't or won't make so it is easy to leave the noiseboxes behind with their own designs and concerns.



 




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