1. Volcanoes on Mercury.
2. Maat Mons, the highest volcano on Venus.
3. On Venus, Idunn Mons is hotter than its surroundings.
4. The dark “maria” on the Moon are volcanic plains of Venus.
5. The Hortensius Domes on the Moon, like Mercury, our Moon was once volcanically active, but no longer.
6. Olympus Mons on Mars is the largest known volcano in the solar system.
7. Olympus Mons top view.
8. Io, one of the four large moons of Jupiter, the most volcanically active world in the solar system.
9. A volcanic plume erupts from Io.
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10. Titan orbits outside Saturn’s main rings.
11. Doom Mons (“Mount Doom”) on Titan.
12. A geyser erupts from Saturn’s moon Enceladus.
13. Neptune’s moon Triton.
14. The volcanic landscape of Triton.
15. Artist’s impression of ice volcanoes on Triton.