1610: Italian astronomer Galileo Galilei discovered the 4 largest moons of Jupiter with the newly-invented telescope.
(Italian astronomer Galileo Galilei; discovered; the 4 largest moons of Jupiter) (Galileo Galilei; [is] astronomer [from]; Italy)
Italian astronomer Galileo Galilei Galileo Galilei
discovered [is] astronomer [from]
the 4 largest moons of Jupiter
Italy