Io is the 5th moon out from Jupiter and is known for its extreme volcanism. Io surface consists of large volcanoes, tall mountains, and plains covered in sulfur dioxide frost
Sites 4
- The Nine Planets: Io Overview with data, text, images, links.
- Solarviews.com: Io Statistics, animations and annotated pictures.
- Io: Jupiter's Volcanic Moon Discussion of many geographic and geologic features of Io. Includes links, photo glossary, and a test.
- Gish Bar Times: Io Basics Provides an overview of this moon with links to other resources.