Marius Discovers Jupiter's Moons (1610)

Name: Marius Discovers Jupiter's Moons (1610)
Start: 1609
End: 1610

Type Event Region Germany Time 1609–1610

In 1610 German astronomer Simon Marius claimed to have discovered Jupiter's four moons by telescope in late 1609, naming them in his 1614 Mundus Iovi…

Timeline

1609–1610Ansbach · GermanyMarius observed Jupiter with a telescope at Ansbach, claiming to have seen small stars accompanying Jupiter on December 29, 1609, and recording their positional changes, asserting the discovery was made independently of Galileo.
1610–1614Ansbach · GermanyMarius proposed the classical names Io, Europa, Ganymede, and Callisto for the four moons, and in 1614 published Mundus Iovialis systematically presenting his observations and naming scheme; the priority dispute with Galileo continued for decades.

Sources

Mundus Iovialis anno M.DC.IX detectus ope perspicilli Belgici — Simon Marius (1614)
Simon Marius and the Discovery of the Moons of Jupiter https://www.iau.org/public/themes/naming_stars/