Io [EYE-oh or EE-oh] is the most volcanic world in the Solar System, and scientists think it's because of a torrid reservoir of magma under the crust at least 30km (50 miles) thick.
Io [EYE-oh or EE-oh] is the most volcanic world in the Solar System, and scientists think it's because of a torrid reservoir of magma under the crust at least 30km (50 miles) thick.
Io [EYE-oh or EE-oh] is the most volcanic world in the Solar System, and scientists think it's because of a torrid reservoir of magma under the crust at least 30km (50 miles) thick.
A state of emergency has been declared in Hungary, where 600,000 - 700,000 cubic meters of toxic sludge has escaped from a reservoir at an alumina plant.