[151] It had been Marius's names for the main moons, even so, that stuck: Io, Europa, Ganymede, and Callisto. The invention was a major place in favour in the heliocentric idea in the motions on the planets by Nicolaus Copernicus; Galileo's outspoken assist on the Copernican principle brought about him https://chrisa110pgv8.theisblog.com/profile