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 ...

You’ll pick up the planet’s cloud belts, maybe its swirling storm (the Great Red Spot), but certainly some its four Galilean moons — Io, Europa, Ganymede, and Callisto. Read: The best ...

Io, the innermost of Jupiter’s four Galilean moons, is the most volcanic world in the solar system, giving it a dynamic mix of yellows, reds, and browns. Hyperion is one of the strangest moons ...

Sunrise: 6:56 A.M. Sunset: 9:17 P.M. Moonrise: 4:25 A.M. Moonset: 1:42 P.M. Today starts a run of events taking place around mighty Jupiter, as its Galilean moons show off while they dance in ...

The body in question is not Mars but Europa, one of the four moons of Jupiter first ... Even more exciting is the Jovian moon Io, the Galilean moon closest to the giant planet.

Coyan wrote an essay entitled "Ambition: The Rover on Callisto." Callisto is outmost of the four Galilean moons that orbit Jupiter. In her essay, Coyan pointed to the possibility that there could ...

The goal is to reach Europa, the smallest of the planet's four Galilean moons, in April 2030, as part of the first mission specifically designed to study the under 2,000-mile-across space rock.

Saturn's moons are much smaller than Jupiter's four large moons: Ganymede (the largest satellite in the Solar System), Callisto, Io and Europa, known collectively as the 'Galilean' moons after the ...