Question

has Jupiter really got a very faint ring system? And what's the ratio of its mass(not volume) to that of earth???

Answer 1

Jupiter Rings

Jupiter’s rings and moons exist within an intense radiation belt of electrons and ions trapped in the planet’s magnetic field. These particles and fields comprise the Jovian magnetosphere or magnetic environment, which extends 3 to 7 million km toward the sun, and stretches in a windsock shape at least 750 million km, which puts it inside of Saturn’s orbit.