NASA reveals the most volcanically active world in our solar system

NASA reveals the most volcanically active world in our solar system

We often think of volcanoes as unique to Earth, but other planets – and moons – display volcanic activity too. But what is the most volcanically active world in the solar system?NASA's Galileo spacecraft caught Jupiter's moon Io, the planet’s third-largest moon, undergoing a volcanic eruption in 1997. Credit: NASA, NASA-JPL, DLRIo is Jupiter’s third largest moon, and only slightly larger than our own satellite. However, it is one of the most vol…