Galileo
Io - a moon of Jupiter
Jupiter has 62 moons. The farthest moon is Io. it was discovered in 1610 and travels in the opposite direction of Jupiter.
Galileo discovered all three
Jupiter. It's one of the Galilean satellites, discovered in 1609.
Many astronomers have discovered Jupiter's moons. Galileo discovered the first four moons of Jupiter, named Calisto, Europa, Ganymede and Io.
Jupiter has the Moon called Io - the most volcanically active object in our solar system.
Io was known long before the time of NASA. It was discovered by Galileo Galilei in 1610.
Planet - The EarthMoon - Io a Moon of Jupiter.
Jupiter's moon Io was named after a priestess from Greek mythology who was a lover of Zeus. Io was turned into a cow by Zeus to protect her from his jealous wife Hera. Galileo Galilei discovered Io in 1610 while observing Jupiter's moons.
IO is the fifth moon of Jupiter in terms of distance from Jupitert and the primary of the Galilean moons.
IO is a moon of Jupiter. Jupiter is the 5th planet from the Sun.
Jupiter's moon Io is sometimes referred to as the "Pizza Moon".