Encyclopedia > Galilean moon

Article Content

Galilean moon

The Galilean moons are the moons of Jupiter discovered by Galileo Galilei (because they were visible with the low-power telescope he invented). They were first observed by Galileo on January 7, 1610. In order from closest to Jupiter to farthest away, they are:

the volcanic Io
oceanic Europa
oceanic Ganymede
oceanic Callisto

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Reformed churches

... Small Catechism[?] is adopted. Reformed Church of France[?] In France, the Reformed protestants were called Huguenots. The Reformed Church of France survive ...