Physics — Galilean Moons of Jupiter
Io, Europa, Ganymede and Callisto.
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title "Galilean moons of Jupiter"
type orbital
star "Jupiter"
planet "Io" radius 2 distance 0.42 color yellow
planet "Europa" radius 1.8 distance 0.67 color slate
planet "Ganymede" radius 3 distance 1.07 color stone
planet "Callisto" radius 2.8 distance 1.88 color slate