Ganymede is the sole acknowledged moon with its possess magnetic area, which will cause auroras akin to These on this planet. The auroras sway when Jupiter’s magnetic discipline fluctuates, partial evidence for a substantial saltwater ocean. Earth’s oceans, by comparison, only stretch down about 11 kilometers (fewer than seven miles) https://bestmoons49371.thenerdsblog.com/40588001/a-secret-weapon-for-best-moons