Jupiter

Full disk, HST

Southern Jupiter, with Great Red Spot, Io, and Europa, Voyager 1

Closeup of Great Red Spot region, Voyager 2

Io

Full disk in front of Jupiter, enhanced color, Galileo Orbit G2

Loki plume on limb, Voyager

Eruption at Tvashtar, Galileo Orbit I27

Europa

Half of Europa, Voyager 2

Ridges and other surface types, BW, Galileo Orbit C3

Extreme close-up of ridges, BW, Galileo Orbit E12

Ganymede

Global view, color, Galileo Orbit G1

Galileo Regio, color, Voyager

Nicholson Regio, bright terrain over dark, BW, Galileo Orbit G7

Callisto

Full global view including Valhalla, color, Voyager 2

Valhalla region, color, Voyager 2

Closeup of surface in crater chain, BW, Galileo