Do you see the two volcanoes on Io's turbulent surface? Check out this NASA Image of the Day for an analysis of the picture.
- Io's volcanoes are caused by tidal forces from Jupiter. Learn more about the volcanoes at Io's Alien Volcanoes, and be sure to see this following article with additional information from the Galileo probe. - Io's volcanoes have caused some trouble for passing spacecraft. Find out why at Beware: Io Dust. - Other moons in the solar system may have volcanoes as well. Read about possible cryovolcanoes on Titan here.