Most recent change of GalileanMoon

Edit made on October 29, 2008 by DerekCouzens at 18:36:44

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Gallileo Galileo was the first person to use a telescope to have a good look at Jupiter and saw things orbiting. This led him to work out that they were orbiting Jupiter, so the Earth was probably not the centre of the universe.

Discovered by Galileo:
* Io, Europa, Ganymede and Callisto