Io experiences tidal heating primarily because hints io experiences tidal heating primarily because io is made of relatively soft materials that deform quite easily. io is located very close to jupiter. io's elliptical orbit causes the tidal force on io to vary as it orbits jupiter. io has an elongated shape that makes it look more like an egg than a sphere.

Lo experiences tidal heating primarily because lo’s elliptical orbit causes the tidal force on lo to vary as it orbits the Jupiter. Thus, lo’s elliptical orbit is essential to its tidal heating. This elliptical orbit, in turn, is an end result of the orbital resonance among lo, Europa and ganymade. This orbital resonance origin lo to have a more elliptical orbit than it would because lo intermittently passes Europa and ganymade in the same orbital position. We cannot perceive tidal forces of tidal heating in lo but rather we foresee that they must occur based on the orbital characteristic of the moons and active volcanoes on lo is the observational evidence that tidal heating is significant in lo.