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Callisto ( / kəˈlɪstoʊ / 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 as large as the smallest planet Mercury.
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).
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 white spots standing out against darker regions.
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 second largest moon in the Jupiter system and is nearly the size of Mercury. It is the most distant of the Galilean moons from Jupiter. It was discovered in 1610 by Galileo Galilei and independently observed by Simon Marius.
Oct 17, 2015 · October 17, 2015 by Matt Williams. Jupiter’s Moon Callisto. With 67 confirmed satellites, Jupiter has the largest system of moons in the Solar System. The greatest of these are the four major...
Nov 16, 2023 · Callisto and Jupiter’s three other largest moons were discovered in 1610 by Italian scientist Galileo Galilei. Almost 400 years later, a spacecraft bearing his name—the Galileo orbiter—began the first in depth study of the Jovian system, including Callisto and its sister moons.
Jun 6, 2024 · 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 after Callisto of Greek mythology.
Jun 26, 2019 · Callisto. Callisto and Jupiter’s three other largest moons were discovered in 1610 by Italian scientist Galileo Galilei. Almost 400 years later , a spacecraft bearing his name —the Galileo orbiter—began the first in depth study of the Jovian system, including Callisto and its sister moons.
Name: Named after the Greek mythological lover of Jupiter. Size: Diameter of 4,821 km (2,996 miles) Moon Rank: 3 rd Largest in the Solar System. Surface Gravity: 0.126g (12.6% of Earth’s!) Orbit: Prograde and slightly Eccentric. Orbit Radius: 1,883,000 km. Orbital Period: 16 days, 16 hours, 30 minutes. Orbital Speed: 8.2 km/sec.
