Saturn, Jupiter’s outer neighbour, currently has 83 known satellites. The four larger moons mentioned above, also known as the 'Galilean moons', account for 99.997 percent of the total mass of Jupiter ...

And thus, Io, Europa and Ganymede became known as the Galilean moons of Jupiter. Learn more about NASA’s current mission to Europa here. Multimedia editor Rob Landers wrote and verified this ...

These pinpricks of light are actually Jupiter's four largest moons, now known as the Galilean moons: Io, Europa, Ganymede, and Callisto. Many of these celestial orbs are as remarkable as Jupiter ...

Oc­cul­ta­tion of Jupiter and the Galilean moons – Io, Eu­ropa, Ganymede and Cal­lis­to – by Deimos, ob­served dur­ing Mars Ex­press or­bit 22,859, on 14 Febru­ary 2022. The dis­tance from Mars ...

NASA Jupiter’s turbulent atmosphere ... Yet the objects of greatest interest continue to be the Galilean moons. Even Earth-based telescopes show the planet’s Great Red Spot, the most prominent ...

In the 1970s, NASA's Voyager probes passed through Jupiter's system and snapped pictures of its largest moons, also known as the Galilean moons. These pictures and the data they gathered offered ...

The goal is to reach Europa, the smallest of the planet's four Galilean moons, in April 2030 ... but will be much faster than traveling straight to Jupiter. Gravity assists have become common ...

Italian astronomer Galileo Galilei revolutionized astronomy in 1610 when he discovered Jupiter’s four largest moons: Io, Europa, Ganymede, Callisto. These “Galilean satellites” provided ...