Ganymede, a behemoth of an icy moon in Jupiter's orbit, was captured in vivid detail by NASA's Juno spacecraft on June 7. It was the closest flyby of the moon ever. Photos shared by NASA Tuesday ...

While Ganymede hasn’t yet been observed spewing plumes of water vapor like Saturn’s moon Enceladus, Jupiter’s largest moon is most likely hiding an enormous saltwater ocean.

Ganymede is the seventh moon and third Galilean satellite outward from Jupiter, orbiting at about 665,000 miles (1,070 million kilometers). It takes Ganymede about seven Earth days to orbit ...

Discovered by Galileo in 1610 while he was messing about with his new telescope, Ganymede is not only the largest moon of the planet Jupiter, but the largest in the solar system.

As an interesting fun fact, Ganymede has a diameter about 7% larger than Mercury’s, but the moon is 55% less massive. In fact, if Ganymede orbited the Sun rather than Jupiter, it would likely be ...

New studies highlight sulfuric acid frost and water ice on the fascinating moons Ganymede and Europa. Intriguing Jupiter Moons Shine in Most Detailed Images Ever Taken From Earth - CNET X ...

With a diameter of 3,273 miles/5,268 kilometers, Ganymede is the largest moon and the ninth-largest object in the solar system, bigger than the planet Mercury and dwarf planet Pluto.

Ganymede likely has some special characteristics. It isn’t just Jupiter’s biggest moon, but the biggest in the entire solar system by far—about the size of Mercury and our moon combined.It ...

A new study revealed that a massive asteroid may have hit Jupiter’s moon Ganymede about 4 billion years ago, shifting the moon on its axis.