Ganymede Moon News

Ganymede is a moon, yet it is larger than the planet Mercury, may contain more water than exists on Earth's surface, and even generates its own magnetic field, making it less like a conventional moon than a full-sized world that happens to orbit Jupiter. - spacedaily.com

Ganymede is a moon, yet it is larger than the planet Mercury, may contain more water than exists on Earth's surface, and even generates its own magnetic field, making it less like a conventional moon than a full-sized world that happens to orbit Jupiter. spacedaily.com