Passage: The icy Galilean moons, Europa, Ganymede and Callisto, all generate induced magnetic moments in response to changes in Jupiter's magnetic field. Hata hivyo hizi tofauti magnetic moments kuunda dipole magnetic fields around them, which act to compensate for changes in the ambient field. induction ni walidhani kufanyika katika subsurface tabaka ya maji ya chumvi, ambayo ni uwezekano wa kuwepo katika yote ya Jupiter kubwa icy moons. hizi bahari chini ya ardhi inaweza uwezekano wa makazi, na ushahidi wa kuwepo kwao ilikuwa moja ya diseries muhimu zaidi kufanywa katika 1990s na spacecraft. mwingiliano wa Jovian magnetosphere na Ganymede, ambayo ina intrinsic nyembamba magnetic wakati, tofauti na mwingiliano wake na non-magnetized chembe.
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