• Mercury in the Commentariolus

    From kelleher.gerald@gmail.com@21:1/5 to All on Sun Nov 21 01:49:09 2021
    https://sol24.net/data/html/SOHO/C3/96H/VIDEO/

    " Of all the orbits in the heaven, however, the most remarkable is that of Mercury, which traverses almost untraceable paths so that it cannot be easily studied. There is the further difficulty that it generally follows a course invisible in the sun's
    rays and is observable on very few days. Yet Mercury too will be understood, provided that it is investigated by someone of superior ability. " Copernicus, Commentariolus

    It is now well established that with satellite imaging, it is possible to observe the Sun as a central/stationary reference for the orbital motions of the planets with particular emphasis on the faster moving Venus and Mercury closer to the Sun than the
    slower moving Earth.

    Not only is the 21st century modification a satisfying experience but it also compliments the work of those solar system researchers who were limited by being restricted to the surface which also rotates daily. With respect to his era, Copernicus was
    correct yet now with the C3 camera, all the restrictions are lifted as Mercury moves from right to left or from a morning appearance to an evening appearance as registered on the rotating surface.

    Copernicus had the advantage that his colleagues would have appreciated much of his reasoning, whereas in this era that appreciation is almost entirely absent as this period in the newsgroup will testify.

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  • From StarDust@21:1/5 to kellehe...@gmail.com on Sun Nov 21 02:17:32 2021
    On Sunday, November 21, 2021 at 1:49:10 AM UTC-8, kellehe...@gmail.com wrote:
    https://sol24.net/data/html/SOHO/C3/96H/VIDEO/

    " Of all the orbits in the heaven, however, the most remarkable is that of Mercury, which traverses almost untraceable paths so that it cannot be easily studied. There is the further difficulty that it generally follows a course invisible in the sun's
    rays and is observable on very few days. Yet Mercury too will be understood, provided that it is investigated by someone of superior ability. " Copernicus, Commentariolus

    It is now well established that with satellite imaging, it is possible to observe the Sun as a central/stationary reference for the orbital motions of the planets with particular emphasis on the faster moving Venus and Mercury closer to the Sun than
    the slower moving Earth.

    Not only is the 21st century modification a satisfying experience but it also compliments the work of those solar system researchers who were limited by being restricted to the surface which also rotates daily. With respect to his era, Copernicus was
    correct yet now with the C3 camera, all the restrictions are lifted as Mercury moves from right to left or from a morning appearance to an evening appearance as registered on the rotating surface.

    Copernicus had the advantage that his colleagues would have appreciated much of his reasoning, whereas in this era that appreciation is almost entirely absent as this period in the newsgroup will testify.

    https://scontent-sjc3-1.xx.fbcdn.net/v/t39.30808-6/255845102_4529062953826913_8796234250325846607_n.jpg?_nc_cat=1&cb=c578a115-c1c39920&ccb=1-5&_nc_sid=730e14&_nc_ohc=yLbYppcuERgAX-c7TP1&_nc_ht=scontent-sjc3-1.xx&oh=3aa616fd5e1601e92698171d154556bc&oe=
    619DD9F9

    captured by the Chinese Chang'e 5-T1 spacecraft in 2014.

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  • From Quadibloc@21:1/5 to kellehe...@gmail.com on Sun Nov 21 04:14:47 2021
    On Sunday, November 21, 2021 at 2:49:10 AM UTC-7, kellehe...@gmail.com wrote:

    " Of all the orbits in the heaven, however, the most remarkable is that of Mercury,
    which traverses almost untraceable paths so that it cannot be easily studied. There is the further difficulty that it generally follows a course invisible in the
    sun's rays and is observable on very few days. Yet Mercury too will be understood,
    provided that it is investigated by someone of superior ability. " Copernicus,
    Commentariolus

    Those words are indeed prophetic, but perhaps not in the way that you would like.

    Mercury, like Venus, lies closer to the Sun than Earth, and thus its retrograde motions
    have the same basic cause; that is well enough understood; the fact that our Solar
    System conforms to the heliocentric theory and not the geocentric one, indeed, is even
    regarded as *trivial* in this day and age, which is why it is difficult to understand how
    you can think you have "new perspectives" on retrogrades to contribute of any importance.

    But as everyone else here well knows, Newton realized Kepler's dream of finding the
    physical cause behind the motions of the planets. And due to him, minute deviations of
    the planets from Kepler's Laws could be explained and predicted. Thus it was that minute
    deviations in the motions of Uranus led to the discovery of Neptune.

    Minute deviations in the motions of Mercury were also found. Some were due to the gravity
    of the other known planets. But others remained unexplained. For a time, it was thought
    that perhaps an undiscovered planet, given the name Vulcan, was their cause.

    Of course, though, we know how _that_ story ended. Instead, the cause turned out to be
    an emendation to the theory of gravity as put forth by Newton, made by someone who
    has turned out to be the very exemplar of "superior ability".

    I speak, of course, of Albert Einstein, and his General Theory of Relativity.

    No doubt, though, you will dismiss the notion that gravity can lead to the curvature of
    space (and time!) as science-fantasy. But that's _your_ problem.

    John Savard

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  • From kelleher.gerald@gmail.com@21:1/5 to All on Sun Nov 21 04:44:26 2021
    https://sol24.net/data/html/SOHO/C3/96H/VIDEO/

    https://www.theplanetstoday.com/

    It is a fairly straightforward observation and interpretation, although the components are different to the Ptolemaic framework that Copernicus was forced to use in his era and the accompanying language of direct/retrogrades, conjunctions and so on. It
    takes nothing away from the 16th century marvel and just as loved among those who have the abilities to account for the slower moving planets as seen from the Earth-

    https://apod.nasa.gov/apod/ap011220.html

    The superior ability is to use the imagination with discipline and to not only see, but also feel the satisfaction by putting observations into visual context denied the great solar system researchers. There is always time to work with all the different
    frameworks inherited from antiquity just as Copernicus once did yet contemporary tools are not chained to any individual framework and the individual purposes they once served.

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  • From =?UTF-8?Q?fred__k._engels=C2=AE?=@21:1/5 to All on Wed Nov 24 13:31:10 2021
    https://www.youtube.com/watch?v=r6PcVCqg3tg

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