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Are there volcanoes on other planets?

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It's not just Earth that has volcanoes blasting stuff onto the surface. Other worlds do too. ... There are huge plains that formed when molten lava spewed onto the surface, spread out and cooled. ... The volcanoes died when the planet's interior cooled, so there was no longer enough heat to power them. read more

Yes - in fact Mars has some of the biggest mountain volcanoes in the world! And to my knowledge, there are mountains on the moon as well. read more

Volcanoes on Other Planets. by Kathy Svitil: Just as it has on Earth, volcanism has played a powerful role in shaping other worlds in our solar system."Venus, for example, is covered with volcanoes, and many of them are clearly geologically very young," says Alfred McEwen, a planetary scientist at the University of Arizona. read more

wNetStation, the Web site of Thirteen/WNET, presents SAVAGE EARTH ONLINE, the Web companion to the four-hour series on earthquakes, volcanoes, tsunamis, and other natural disasters. Highlights include animated illustrations, original articles and sidebars, Ask the Experts, photos, and video downloads. read more

Though other planets show signs of volcanic eruptions, most seemed to have erupted in the distant past and are inactive now. Both Mars and Venus have volcanoes much larger than any on Earth, and they have erupted huge amounts of lava onto their surfaces in the past. read more

Volcanoes on Io: Io, a moon of Jupiter, is the most volcanically active body in our solar system. It has over 100 active volcanic centers, many of which have multiple active vents. Eruptions recurrently resurface large parts of the moon. read more

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