Jupiter has 80 moons. Fifty-seven moons have been given official names by the International Astronomical Union (IAU). Another 23 moons are awaiting names. Jupiter's four largest moons …

Jupiter's menagerie of moons includes the largest in the solar system (Ganymede), an ocean moon (Europa) and a volcanic moon (Io). Many of Jupiter's outer moons have highly elliptical …

Jupiter has 80 moons. Fifty-seven moons have been given official names by the International Astronomical Union (IAU). Another 23 moons are awaiting official names.

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Europa orbits Jupiter every 3.5 days and is locked by gravity to Jupiter, so the same hemisphere of the moon always faces the planet. Jupiter takes about 4,333 Earth days (or about 12 Earth …

Sep 15, 1998 · Jupiter's intricate, swirling ring system is formed by dust kicked up as interplanetary meteoroids smash into the giant planet's four small inner moons, according to …

Jun 4, 1998 · New data from NASA's Galileo spacecraft have prompted scientists to modify their concept of the interior structure of Jupiter's moon, Callisto, and suggest that Callisto has …

Galileo was designed to make the first study of Jupiter and its moons and magnetosphere from orbit. The orbiter carried 10 science instruments and a atmospheric probe.

Mar 5, 2003 · One surprise in ultraviolet images of Jupiter's north polar region is a swirling dark oval of high-atmosphere haze the size of the planet's famous Great Red Spot. "It's a …

Nov 29, 2001 · A recent image from NASA's Galileo spacecraft adds evidence to a theory that Callisto, the outermost of Jupiter's four large moons, may hold an underground ocean. The …