NASA's Juno mission spots most powerful volcanic activity on Jupiter's moon Io
LOS ANGELES, Jan. 30 (Xinhua) -- Scientists with NASA's Juno mission have discovered a volcanic hot spot in the southern hemisphere of Jupiter's moon Io, NASA said on Thursday. The hot spot is not only larger than Earth's Lake Superior, but it also belches out eruptions six times the total energy of all the world's power plants, according to NASA.