Same planet, so many surfaces

last month

Jupiter's four principal moon demonstrate intriguing levels of variety.

One volcanic moon and three ice moons.

The volcanic moon owes its uniqueness to its close proximity to Jupiter. The others, as their proximity to jupiter decreases, display older and older surface features.

Thus in the sequence of moons we see the results of lesser and lesser impact of Jupiter's massive gravity and consequent tidal forces and the tidal heating that goes with it.

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