'Ganymede, a moon of Jupiter, was discovered by this man in 1610'
Galileo
MANY MOONS: Ganymede, a moon of Jupiter, was discovered by this man in 1610
Ganymede, a moon of Jupiter, was discovered by this man in 1610
Ganymede, a moon of Jupiter, was discovered by this man in 1610
MANY MOONS
Galileo
MANY MOONS