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All together, Jupiter's moons form a satellite system called the Jovian system. The most massive of the moons are the four Galilean moons: Io, Europa, Ganymede, and Callisto, which were independently discovered in 1610 by Galileo Galilei and Simon Marius and were the first objects found to orbit a body that was neither Earth nor the Sun.
Learn about Jupiter's 95 officially recognized moons and its four largest ones: Ganymede, Callisto, Io, and Europa. Find out how they were discovered, their sizes, and their features.
Jupiter is the largest planet in the solar system and has, as of 2023, 95 known moons. The four largest moons of Jupiter—Io, Callisto, Ganymede, and Europa—were the first objects in the solar system discovered with a telescope. Galileo discovered them in 1610, and they are now called the Galilean.
Jun 8, 2023 · Explore Jupiter's 92 moons including the infamous Galilean satellites and the largest moon in the solar system, Ganymede.
Aug 21, 2023 · Rockets aren’t the only thing we launch. Welcome to our improved NASA website! If you don't find what you are looking for, please try searching above, give us feedback , or return to the main site . IAUnumber IAUname Provisionaldesignation Yeardiscovered Discoverer (s)/spacecraft mission References I Io 1610 Galileo IAU WGPSN II Europa 1610 ...
Learn about the 67 confirmed moons of Jupiter, including the four large Galilean moons and the inner and outer groups. Find out their names, sizes, distances, origins and features.
Learn about Jupiter, the largest and oldest planet in our solar system, and its 95 moons, including the four giant ones: Io, Europa, Ganymede, and Callisto. Discover how Jupiter's rings, atmosphere, and magnetic field reveal its secrets.
