Lêer:Galilean moon Laplace resonance animation 2.gif

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Galilean_moon_Laplace_resonance_animation_2.gif ‎(365 × 245 piksels, lêergrootte: 1,46 MG, MIME-tipe: image/gif, herhalend, 288 rame, 5,8 s)

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English: Animation of the 1:2:4 Laplace resonance between Io, Europa, and Ganymede. The labels indicate the ratios of orbital periods: Europa's is twice Io's, and Ganymede's is four times Io's.
In this revision of a black and white version, brief color changes are used to highlight conjunctions (green or magenta for nearest-neighbor, gray for non-nearest neighbor), to illustrate that the conjunctions recur at the same orbital locations (after making allowance for precession). All nearest-neighbor conjunctions occur in the vertical axis running through the diagram. Per orbit of Ganymede, there are 8 occasions when at least 3 bodies line up (examples of syzygy), separated by successive intervals of 1/6, 1/6 ,1/12. 1/12, 1/6, 1/6, 1/12 and 1/12 of a cycle, including 2 occasions when all 4 bodies line up (all oppositions of Europa involve 4-body lineups).
Warning: do not downsize the image below its original size of 365 × 245 when used in a Wikipedia article, as the animation won't move then (at least not for all users).
Datum
Bron Revision of Galilean moon Laplace resonance animation.gif by User:Matma Rex
Outeur WolfmanSF
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Animation of the 1:2:4 Laplace resonance between Io, Europa, and Ganymede.

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Laplace Resonance Engels

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