Callisto (/ k ə ˈ l ɪ s t oʊ / kə-LIST-oh), or Jupiter IV, is the second-largest moon of Jupiter, after Ganymede. In the Solar System it is the third-largest moon after Ganymede and Saturn's largest moon Titan, and nearly as large as the smallest planet Mercury.

Nov 6, 2024 · Callisto is Jupiter’s second largest moon after Ganymede and it’s the third largest moon in our solar system. It’s almost as big as Mercury. Callisto’s circumference at its equator is about 9,410 miles (15,144 kilometers).

Nov 1, 2024 · Callisto is Jupiter’s second largest moon and the third largest moon in our solar system. Its surface is the most heavily cratered of any object in our solar system. Images of Callisto captured by passing spacecraft show bright …

Apr 19, 2023 · Callisto is Jupiter's second-largest moon and the outermost of the Galilean satellites. It has an ancient, cratered surface, indicating that geological processes could be...

Callisto is the eighth moon of Jupiter and the second largest of the planet's known satellites. It is the third largest moon in the solar system and is similar in size to the planet Mercury.

Mar 9, 2025 · Callisto, outermost of the four large moons (Galilean satellites) discovered around Jupiter by the Italian astronomer Galileo in 1610. It was probably also discovered independently that same year by the German astronomer Simon Marius, who named it …

Jul 26, 2020 · From its discovery, to its importance around Jupiter, and more! Join us as we explore Callisto, Jupiter's Moon.Subscribe for more videos:https://www.youtube....

Launch Date: August 5, 2011. Juno is on a mission to probe beneath Jupiter's dense clouds and answer questions about the origin and evolution of Jupiter, and our solar system.

Feb 18, 2025 · Observations acquired from the Galileo spacecraft indicate that Callisto (left) reacts inductively to Jupiter’s (right) time-varying magnetic field. New research suggests that this reaction,...

Mar 13, 2025 · Callisto, Jupiter's second-largest moon, may have a rocky surface with an ocean beneath the surface. If there was a contest for the most interesting moon in our solar system, Callisto...