Ganymede is the one regarded moon with its have magnetic industry, which will cause auroras akin to Those people on this planet. The auroras sway when Jupiter’s magnetic subject fluctuates, partial proof for a substantial saltwater ocean. Cassini wasn’t designed to sample the h2o, but the discovery motivated researchers to https://brooksgjkjj.blogs100.com/35243737/little-known-facts-about-best-moons