Marius, the man who named Jupiter’s Galilean moons

German astronomer Simon Marius is best remembered for his disputes with Galileo Galilei over priority for discovering Jupiter’s four major moons. This, despite the fact that Marius definitely made other significant contributions during his time, including being the first to use a telescope to observe the Andromeda Galaxy on December 15, 1612. A.S.Ganesh hands you the details, without taking sides…