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Old January 24th 13, 10:58 AM posted to sci.astro.amateur
Lord Androcles, Zeroth Earl of Medway[_6_]
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Posts: 58
Default Observed retrogrades

"oriel36" wrote in message
...

These two sets of images demonstrate the subtle differences between
apparent retrogrades seen in the inner and outer planets and
constitute pure astronomy and especially how the Earth's planetary
dynamics grew out of the geocentric tradition -

http://www.masil-astro-imaging.com/S...age%20flat.jpg

The apparent motion of Venus against the background stars shows it
swerving outwards and then inwards around the central Sun.

http://apod.nasa.gov/apod/ap011220.html
======================================
"planets do a cosmic dance that is hard to appreciate on any single night".
Which is Jupiter, which is Saturn and how can you tell, Kelleher?





The faster motion of the Earth overtaking the outer planets accounts
for the apparent forward-backward-forward motion of these planets.

Essentially this is pure astronomical enjoyment and requires no
comment,contemporary imaging allows readers to distinguish the subtle
differences in the motions of planets as seen from a moving Earth.No
group of people have a right to alter human achievement and especially
in the matter of retrograde resolution for they would curse the rest
of the world the way they curse themselves by having no sense of
satisfaction in properly interpreting the celestial arena and the
effects on the Earth,it may be that they are incapable of entering
into the spirit of astronomy and the line of reasoning which give the
world so many insights to enjoy but there is no excuse for those who
have the talent to intelligently work out what is presented here by
virtue that it is astronomy being practised as it once was.

=================================================
No Kelleher has a right to alter human achievement and especially
in the matter of retrograde resolution for he would curse the rest
of the world the way he curses himself by having no sense of
satisfaction in properly interpreting the celestial arena and the
effects on the Earth, it may be that he is incapable of entering
into the spirit of astronomy and the line of reasoning which gives the
world so many insights to enjoy but there is no excuse for those who
have the talent to intelligently work out what is presented here by
virtue that it is astronomy being practised as it still is.