na-agafe n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka akụkụ ahụ: N'ụzọ: The moons chọpụtara site Galileo <unk> Io, Europa, Ganymede, na Callisto <unk> are among the largest satellites in the Solar System. The orbits of three of them (Io, Europa, and Ganymede) form a pattern known as a Laplace resonance; for every four orbits that Io makes around Jupiter, Europa makes exactly two orbits and Ganymede makes exactly one. Nke a resonance na-eme ka gravitational mmetụta nke atọ nnukwu moons na-agbagọ ha orbits n'ime elliptical shapes, n'ihi na onye ọ bụla ọnwa na-enweta ihe mmezi tug si ya agbata obi na otu ebe na onye ọ bụla n'usoro ọ na-eme ka. The tidal ike si Jupiter, n'aka nke ọzọ, na-arụ ọrụ iji circularize ha orbits.
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