Ganymede is the only recognised moon with its own magnetic subject, which causes auroras akin to those on Earth. The auroras sway when Jupiter’s magnetic industry fluctuates, partial proof for a large saltwater ocean. Inspite of subsequent observations via the Galileo spacecraft from the 1990s, surface area specifics remain elusive https://best-moons59371.mdkblog.com/40585734/the-2-minute-rule-for-best-moons