From Newsgroup: sci.astro.amateur
It would be helpful for students and curious people in society to appreciate that the motions of Jupiter's moons around their parent planet are analogous to the motions of Venus and Mercury around our parent star.
https://www.youtube.com/watch?v=FcrBAuLBXag
https://www.youtube.com/watch?v=w2uCtot1aDg
The significant modification is that the Earth's orbital motion is accounted for by the change in the position of the stars parallel to the orbital plane, thereby setting the Sun up as a central and stationary reference for the back-and-forth motions of the faster-moving inner planets.
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