It might be tidaly heated like io and europa some scientests belive ganymede is tidally heated so it may have a subsurface ocean
Ganymede has a iron rich liquid core.
No. The entire surface of Ganymede is ice.
yes, water ice.
Water ice with craters and fractures.
Yes, Ganymede, one of Jupiter's moons, has evidence of past tectonic activity and cryovolcanism, where water and ice erupt instead of molten rock. However, no active volcanoes have been observed on Ganymede.
Ganymede, Jupiter's largest moon, has a thin atmosphere mostly composed of oxygen. Temperatures on Ganymede can range from extremely cold to relatively warm, depending on the amount of sunlight the moon receives. The surface of Ganymede is covered in water ice and rocky terrain.
Ganymede is the brightest moon out of Ganymede, Europa, Io, and Callisto. It is the largest moon of Jupiter and is even larger than the planet Mercury. Ganymede's surface is composed of a mix of rocky material and water ice, which likely contributes to its brightness.
Ganymede is solid, as are all the moons in the solar system. However, the fact that Ganymede is a moon means that it is not a planet.
Ganymede, the largest moon of Jupiter, is not a volcano. It is composed mainly of water ice and rock, and its surface is covered with various geological features including impact craters, ridges, and grooves. Volcanic activity has not been detected on Ganymede.
Ganymede
Ganymede is a moon
Ganymede is the largest moon in the solar system, about 8% larger than Earth's Moon. Ganymede is also larger than the planet Mercury. It has a thin atmosphere, a magnetic field, and is composed mostly of rock and water ice.