Regions of descending air currents on Jupiter are marked by dark, brown regions . The very strong magnetic field of Jupiter is created in a metallic hydrogen region . The planet that was mathematically predicted by Adams and Leverrier was Neptune . The Jovian planet that does not have any rings is they all have rings . The rings of Saturn are made out of chunks of ice .
Shepherd satellites are moons that help organize rings .
The volcanic moon that looks like a pizza is Io . The volcanism on this moon is caused by Jovian tides The oranges, yellows, and blacks on the surface of this satellite are due to sulfur . The largest satellite in the solar system is Ganymede . The satellite that very possibly has an ocean of liquid water under a frozen ice crust is Europa . Io, Europa, Ganymede, and Callisto were discovered by Galileo Galilei .