Recent content by Sylvain9595

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    Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars)

    I won't be able to post during the next three days but when I come back I will open a new thread with a better definition of the problem. Of course there is doubt, there can not be any science without doubt. Real science should always try, by doing new experiments, to falsifie its own model...
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    Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars)

    No, only the one in the middle is on the loop (like the real observation). The two others happen before and after the loop.
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    Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars)

    Yes, but triple conjonctions are very rare compared to double ones. But there is the same problem for double ones.
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    Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars)

    My bad, I should have written : "How can a multiple (usually double, but sometimes triple) Earth-planet-star conjunction occur during a retrograde loop of the planet..." instead of "retrograde motion", I will edit that.
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    Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars)

    I am illustrating the problem : october 19th is the only precise moment when mars can be viewed at that precise position in our sky and at that time the lines are no parallel (so no conjunction possible). Same thing for "march 31 conjunction".
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    Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars)

    No : in my animation, at the precise moment we see Mars positioned at "conjunction 2", the lines are not parallel as I have shown you. If "conjunction 2" had happened october 19th like it really happened, earth and mars couldn't be aligned with pollux. Lets call this image "october 19th...
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    Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars)

    Yes of course. My question is how the heliocentric model accounts for this observation. It is flawed only for my first question. Imagine car B overtaking car A on the inside in this turn: Even assuming the tree is infinitely far away, is there any chance that B observes A aligned with the same...
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    Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars)

    Look at this triple conjunction of Mars with Pollux during this 2024-2025 retrogradation : source : https://whenthecurveslineup.com/2025/01/10/2025-january-22-mars-pollux-conjunction/ To return to my highway analogy, when car B overtakes car A, there can only be one precise moment when B can...
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    Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars)

    Dear forum members, I have another question for you (but perhaps I should start a new thread?): How can a multiple (usually double, but sometimes triple) Earth-planet-star conjunction occur during a retrograde loop of the planet when the line of sight (shown in red in my animation) can only be...
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    Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars)

    The loops of my animation are "pointing" (yellow dot) towards outer space, whereas the ones empiricaly observed from earth are pointing towards earth, this is what I call a mirror effect, don't you ?
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    Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars)

    Of course, I never thought that my 2D animation could represent the real 3D loops, it's just the "mirror effect" that I didn't expect.
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    Undergrad Unexpected findings in need of an explanation (retrograde motion of Mars)

    No it is not, here's another retrogradation of Mars with the dates : Anyway, even if your image was upside down, the loop would still be "pointing" towards earth. I am not sure what you mean by radial distance, what I was expecting is the loops to look exactly like how we see them, that is to...