Saturn, Jupiter’s outer neighbour, currently has 83 known satellites. The four larger moons mentioned above, also known as the 'Galilean moons', account for ... was discovered during the flybys of the ...

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

These pinpricks of light are actually Jupiter's four largest moons, now known as the Galilean moons ... In 1979, NASA's Voyager 1 and 2 spacecraft zipped by the gas giant, taking tens of thousands ...

What’s more, data from Juno’s Io flybys has revealed the subsurface temperature profile of Io, the innermost of the four ...

The Voyager 1 spacecraft had flown past this moon of Jupiter, catching the first glimpse of active volcanism on a world other than Earth. Umbrella-shaped outbursts of magmatic matter rocketed into ...

With the exception of Titan, however, 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 ...

Since Voyager 1 blasted off in 1977, it has skirted past the kaleidoscopic clouds of Jupiter and the icy rings ... brightness of more than a dozen full moons. The Sun makes its sphere of influence ...

How do you spot moons, and why hadn’t anybody seen these ones already? Doesn’t Jupiter have the most ... “ring-plane crossings”. When the Voyager 1 spacecraft passed by Saturn, it took ...

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 ...

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 ... has finally taken the lead ...

"Voyager was a defining part of the '80s, with its grand tour of the outer planets and its tie-in to Carl Sagan's 'Cosmos.' In the '90s, Galileo gave us a dramatic look at Jupiter and its moons.