Catch the solar system’s largest planet satellite sharing the constellation Gemini the Twins with our Moon this morning ...

The Galilean moons are much brighter than the others. It took 282 years of telescope advancements for the fifth moon, Amalthea, to be discovered. Galileo’s scope was indeed primitive.

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

Growing moons. In general, researchers agree that the four Galilean moons — Io, Europa, Ganymede and Callisto — probably formed from a disk of gas that surrounded Jupiter in its infancy.

These are the largest or Galilean moons of Jupiter. Starting inside the Summer Triangle, scan right, all the way to the left of Antares, in the southern sky and left, from the Triangle, to ...

The three moons, Europa, Callisto and Io, are three of the four Galilean satellites ... Jupiter’s Galilean satellites have a special place in the history of astronomy: ...

With a total of 67 known moons — including four large moons known as the Galilean satellites — Jupiter almost qualifies as a solar system unto itself.

You’re looking at its four Galilean Moons, by far the largest of the giant planet’s estimated 79 moons. Their collective name comes from the fact that Galileo first observed them in the year 1609.

Jupiter presented a stunning gift last weekend, at least to those who had a clear view from Earth. On Aug. 15, Jupiter’s largest moons, known as the Galilean moons, aligned to give two stunning ...

Bad Astronomy The Galilean Revolution, 400 years later. By Phil Plait. Jan 07, 2010 10:00 AM. ... We call these four the Galilean moons in his honor: Io, Europa, Ganymede, ...

Jupiter's four largest moons — Io, Europa, Ganymede and Callisto — are also known as the Galilean moons, named after Galileo Galilei, who discovered them in 1610.