SOLAR SYSTEM

Detailed explanation-1: -Jupiter’s icy moon Ganymede is the largest moon in our solar system, even bigger than the planet Mercury, and the dwarf planet Pluto . There’s strong evidence that Ganymede has an underground saltwater ocean that may hold more water than all the water on Earth’s surface.

Detailed explanation-2: -The four largest-Io, Europa, Ganymede and Callisto-were discovered by Galileo in 1610 and are known as the Galilean Satellites. The other, smaller moons have their orbits either between Jupiter and Io, or outside the orbit of Callisto.

Detailed explanation-3: -Its name was soon suggested by astronomer Simon Marius, after the mythological Ganymede, a Trojan prince desired by Zeus (the Greek counterpart of Jupiter), who carried him off to be the cupbearer of the gods. Beginning with Pioneer 10, several spacecraft have explored Ganymede.

Detailed explanation-4: -ESA Science & Technology-Jupiter’s largest moons From top to bottom, the moons are Io, Europa, Ganymede and Callisto. Europa is almost the same size as Earth’s moon, while Ganymede, the largest moon in the Solar System, is larger than planet Mercury.

Detailed explanation-5: -Is Ganymede bigger than Earth? Ganymede’s radius is 2.5 times smaller than the Earth’s at [1, 640 miles] 2, 640 kilometers. It is larger than Mercury.