[151] It had been Marius's names for the most important moons, however, that stuck: Io, Europa, Ganymede, and Callisto. The invention was An important issue in favour of the heliocentric idea of your motions of your planets by Nicolaus Copernicus; Galileo's outspoken aid of the Copernican idea brought about him https://creightonf638qos7.wikipublicity.com/user