image credit: NASA JPL; image source; larger image
Io's Alien Volcanoes
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.
- 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.
(This feature was updated on August 16, 2013.)
Earth Observatory: Plume from Ol Doinyo Lengai, Tanzania
Ol Doinyo Lengai is a unique volcano on Earth – it is the only volcano with cool, carbon-based lava. Learn more about it here, and be sure to check out this picture of a 2007 eruption.