[151] It was Marius's names for the major moons, even so, that caught: Io, Europa, Ganymede, and Callisto. The discovery was A serious issue in favour on the heliocentric principle on the motions on the planets by Nicolaus Copernicus; Galileo's outspoken assist on the Copernican principle led to him remaining https://aabyed332ula0.dgbloggers.com/profile