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  1. Ganymede (moon) - Wikipedia

    Ganymede orbits Jupiter in roughly seven days and is in a 1:2:4 orbital resonance with the moons Europa and Io, respectively. Ganymede is composed of silicate rock and water in approximately …

  2. In Depth | Ganymede – NASA Solar System Exploration

    Jupiter’s moon Ganymede is proving to be a fascinating world. Not only is it the largest moon in our solar system, bigger than the planet Mercury and the dwarf planet Pluto, but NASA’s Hubble Space …

  3. Ganymede | Facts & Features | Britannica

    Nov 28, 2025 · Ganymede, largest of Jupiter’s satellites and of all the satellites in the solar system. One of the Galilean moons, it was discovered by the Italian astronomer Galileo in 1610.

  4. Ganymede: A guide to the largest moon in the solar system

    May 6, 2023 · Ganymede is Jupiter's largest moon and is also the largest moon in the entire solar system. It is bigger than both Mercury and dwarf planet Pluto and only slightly smaller than Mars. …

  5. 100 Fascinating Facts About Ganymede, Jupiter’s Largest Moon

    Ganymede, the largest moon in our solar system, is a celestial marvel orbiting Jupiter. Discovered by Galileo Galilei in 1610, this icy giant is bigger than Mercury and even rivals planets in its complexity.

  6. Jupiter's Moon Ganymede

    Ganymede [GAN-ee-meed] is the largest moon of Jupiter and is the largest in our solar system with a diameter of 5,262 km (3,280 miles). If Ganymede orbited the Sun instead of Jupiter it could be …

  7. Ganymede: Jupiter’s Enigmatic Moon and the Largest in the Solar …

    Explore Ganymede, Jupiter's largest moon, with its icy surface, hidden ocean, and magnetic field. Discover its potential for life and future missions in this in-depth guide.

  8. Juno Flyby of Ganymede and Jupiter on December 14, 2025 Juno

    1 day ago · Juno’s Breathtaking Ganymede Flyby: A New Perspective on Jupiter’s Largest Moon Breaking News: Prepare to be amazed! NASA’s Juno spacecraft has gifted us with a stunning, …

  9. Lyman-α observations of Ganymede emerging from eclipse reveal a …

    6 days ago · Abstract Jupiter’s moon Ganymede possesses a tenuous atmosphere, as part of which atomic hydrogen has been detected in an extended exosphere by the Galileo spacecraft and the …

  10. Ganymede • Atlas of Space

    The largest moon in the Solar System and the only one known to generate its own magnetic field, Ganymede features a mix of ancient dark cratered terrain and lighter grooved regions created by …