Titanic volcanic eruption seen on Io 14:50 14 November 02 Successive views show the dramatic eruption on Io (Image: Franck Marchis/UC Berkeley) A titanic volcanic eruption has been spotted on the surface of Jupiter's volatile moon Io using a telescope back on Earth. Astronomers believe it to be the most powerful eruption ever witnessed in the entire Solar System. The volcano spewed lava kilometres into the sky during its most explosive period, say the researchers. The consequent lava flow is thought to have spread many hundreds of square kilometres across the surface of Io. "It is clear that this eruption...