Two new moons have been discovered orbiting Jupiter, bringing the total number of natural satellites orbiting the gas giant ...

Jupiter, the largest planet in our Solar System, is 11 times wider than Earth, and has a mass 2.5 times greater than all of ...

A telescope can reveal Jupiter’s four largest moons: Callisto, Europa, Ganymede and Io – also known as the Galilean moons because astronomer Galileo Galilei first recorded them more than 400 ...

Look east around 4 a.m. local time, just before dawn, to see the slender form of the crescent moon climb above the horizon.

If you're lucky, you'll spot the four Galilean moons: Ganymede, Callisto, Io and Europa. Italian astronomer Galileo Galilei first spotted Jupiter's moons in 1610.

Jupiter's four best-known moons are the Galilean moons, discovered by Galileo Galilei in 1610. They are named Ganymede, Callisto, Io and Europa, after figures in Greek mythology associated with ...

Jupiter has lots of moons but the biggest and brightest are the four original ones discovered by Galileo in 1610 with his homemade telescope. They're known (no surprise) as the Galilean moons and ...

How did Jupiter's four largest moons become the subject of this Suite? ... written after the largest of the four Galilean moons. I expect a big sound, and I'm not disappointed.

Put any pair of binoculars on Jupiter—which is rising in the east at dusk and very bright—and you’ll likely see at least three of Jupiter’s four Galilean moons Ganymede, Europa, Callisto ...

Discovered by Galileo in 1610, Europa is one of the four so-called Galilean moons of Jupiter, along with Ganymede, Io and Callisto. Seeking conditions that support life.

On Jan. 7, 1610, Galileo discovers Jupiter's first three moons. ... Europa and Ganymede became known as the Galilean moons of Jupiter. Learn more about NASA’s current mission to Europa here.