On January 7th, 1610, Galileo Galilei made a groundbreaking observation as he discovered the four largest moons of Jupiter, now known as the Galilean moons. This marked a significant advancement in our understanding of the solar system.
On January 7th, 1610, Galileo Galilei made a groundbreaking observation as he discovered the four largest moons of Jupiter, now known as the Galilean moons. This marked a significant advancement in our understanding of the solar system.