Europa was discovered in 1610 by Galileo when he pointed a telescope at Jupiter.
An icy surface.
Europa was discovered by Galileo Galilei in 1610.
The four largest moons of Jupiter discovered by Galileo are Io, Europa, Ganymede, and Callisto.
The hobo on your street corner discovered Earth's moon and the hobo on your best friend's street corner discovered Europa.
Jupiter has the moon called Europa. (Galileo discovered this moon, but actually the name was given by another person.)
They are the four moons which Galileo discovered: Callisto, Europa, Ganymede and Io.
Many astronomers have discovered Jupiter's moons. Galileo discovered the first four moons of Jupiter, named Calisto, Europa, Ganymede and Io.
Io, Europa, Ganymede, and Callisto. Discovered by Galileo.
The question may mean "Was the moon Europa named by Galileo?" The answer to that is NO. Galileo discovered this moon, but it was named by another astronomer, called Simon Marius.
Scientists have recently discovered frozen water on the moon, and on Jupiter's moon of Europa
The biggest four were discovered by Galileo. They are : Callisto Europa Ganymede Io
My answer is four moons that Galileo found on or near Jupiter.