The Moon passes several planets as Jupiter’s Galilean moons delight and Saturn’s satellite Iapetus reaches western elongation ...

But their names came from German astronomer Simon Marius in 1614 but they are also known as the Galilean moons. The moon is a world unlike Earth’s celestial sibling: With a very thin oxygen ...

Europa is the smallest of the so-called Galilean moons, which are Jupiter’s four ... using the gravity of Mars, and then Earth, to boost its speed. When it reaches Jupiter, it will enter an ...

Jupiter and its four planet-size moons, called the Galilean satellites ... and a giant red spot larger than the entire Earth. That was generally anticipated. But the moons were largely unknown ...

The winding road will include needing to ace several slingshot maneuvers as well as close approaches with Jupiter’s other Galilean moons ... this time from Earth. As it swings about 2,000 ...

This changed the way we viewed the solar system and proved the Earth was not the center of the solar system. We call these four moons the Galilean moons and their names are Io, Europa, Ganymede ...

will hopefully begin a five-year journey to look for the components necessary for life in one of the most promising places in our solar system. Europa, one of Jupiter's 95 moons, is about the size ...

A NASA spacecraft has set sail for Jupiter and its moon Europa, one of the best bets for finding life beyond Earth.