There are 79 known moons of Jupiter, not counting a number of moonlets likely shed from the inner moons, and S/2003 J 24, whose orbital elements have not yet been published. All together, they form a ...

There are currently 92 moons known to orbit Jupiter. The four largest – Io, Europa, Ganymede and Callisto – were discovered by Galileo Galilei in 1610 when he pointed the first astronomical telescope ...

Our solar system is already teaming with nearly 200 moons, and we just got 12 more to add to the list. A team led by astronomer Scott Sheppard out of the Carnegie Institution for Science ...

Point them at Jupiter tonight—or any night during its ... by far the largest of the giant planet’s estimated 79 moons. Their collective name comes from the fact that Galileo first observed ...

They are more commonly referred to as the Galilean moons of Jupiter owing to the fact that they were discovered by Galileo. The four Galilean moons – Io, Europa, Ganymede and Callisto – are ...

Only two of the terrestrial planets have moons orbiting them: Jupiter is the largest planet in the solar system and has 79 moons. The four largest moons of Jupiter (Io, Europa, Ganymede ...

The European Space Agency’s billion-dollar JUpiter ICy moons Explorer will be an exciting mission of firsts. As well as being the first time a European spacecraft has ever visited Jupiter ...

Galileo’s repeated observations over several nights and realized they were moons orbiting the gas giant. And thus, Io, Europa and Ganymede became known as the Galilean moons of Jupiter.