Callisto (moon)
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Callisto is the second-largest moon of Jupiter, after Ganymede. It is also the third-largest moon in the Solar System, following Ganymede and Saturn's moon Titan, and nearly as large as the planet Mer
Size comparison of Earth, Moon and Callisto
Galileo image of cratered plains, illustrating the pervasive local smoothing of Callisto's surface
Impact crater Hár with a central dome. Chains of secondary craters from formation of the more recent crater Tindr at upper right crosscut the terrain
Voyager 1 image of Valhalla, a multi-ring impact structure 3,800 km in diameter
Jupiter Icy Moons Explorer
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The Jupiter Icy Moons Explorer is an interplanetary spacecraft developed by the European Space Agency. It is on its way to orbit and study three icy moons of Jupiter: Ganymede, Callisto, and Europa. T
Juice in Airbus Astrolabe facilities, 2023
Juice flyby of Callisto (artist's impression)
Ariane 5 launch of Juice
Juice images the particle cloud around Earth during the 2024 flyby