Re: Kepler's celestial mechanics
- From: "oriel36" <geraldkelleher@xxxxxxxxx>
- Date: 10 Nov 2005 10:44:35 -0800
Steven Van Impe wrote:
> aaadddaaammm@xxxxxxxxxxx wrote:
>
> > Does anyone have any information relating to how Kepler's
> > theory of celestial mechanics was received when it was
> > proposed? I've been told that it was considered pretty
> > 'out-there' and that it was never really taken seriously.
> > But as far as I can see it seems just as reasonable as
> > many other theories that were widely believed. Your
> > thoughts?
>
> The problem with Kepler's laws is that they're buried rather deep in
> his works, which generally vary between esoteric, extremely
> complicated and autobiographical - or at least that's what I think
> after reading some fragments. It was really only Newton who
> 'discovered' their true meaning.
>
>
> regards,
> Steven
Newton not only totally destroyed the Keplerian heliocentric
refinement for planetary orbital motion,he destroyed the original
Copernican resolution for retrogrades.
Western civilisation is resilient to everything except
insincerity,relying on the behavior of individuals or groups to reign
in misconduct or fraud assumes that there are such individuals with the
capacity,competence and the willingness exist but in the great
astronomical discipline no such people exist.Only unfamiliarity with
the actual great Copernican reasoning that resolves heliocentricity
through the dropping of the stellar background from the observed
motions of the planets and the adoption of the annual orbital motion of
the Earth is the only thing required to comprehend the enormity of the
Copernican experience -
http://antwrp.gsfc.nasa.gov/apod/image/0112/JuSa2000_tezel.gif
"For to the earth they appear sometimes direct, sometimes stationary,
nay, and sometimes retrograde. But from the sun they are always seen
direct.." Newton
* Here is Galileo's accurate explanation that matches the explanation
of Copernicus
"[Here Salviati explains Jupiter's motion, then follows with:]
Now what is said here of Jupiter is to be understood of Saturn and Mars
also. In Saturn these retrogressions are somewhat more frequent than in
Jupiter, because its motion is slower than Jupiter's, so that the Earth
overtakes it in a shorter time. In Mars they are rarer, its motion
being faster than that of Jupiter, so that the Earth spends more time
in catching up with it. Next, as to Venus and Mercury, whose circles
are included within that of the Earth, stoppings and retrograde motions
appear in them also, due not to any motion that really exists in them,
but to the annual motion of the Earth. This is acutely demonstrated by
Copernicus . . . You see, gentlemen, with what ease and simplicity the
annual motion --
if made by the Earth -- lends itself to supplying reasons for the
apparent anomalies which are observed in the movements of the five
planets. . . . It removes them all and reduces these movements to
equable and regular motions; and it was Nicholas Copernicus who first
clarified for us the reasons for this marvelous effect." 1632, Dialogue
Concerning the Two Chief World Systems
Newton got retrogrades and how to resolve it completely wrong -
"For to the earth they appear sometimes direct, sometimes stationary,
nay, and sometimes retrograde. But from the sun they are always seen
direct.." Newton
Regardless how important people consider his ballistic agenda applied
to planetary motion to be,the destruction of Copernican heliocentricity
and later refinements by Kepler and Roemer is a price no civilisation
should be for the reckless misconduct that renders 'achievement' as
nothing mnore than the ability to bluff and bluster with astronomical
material that is as delicate as it is profound.
.
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