Volcanoes fuel gaseous atmosphere on Jupiter’s moon Io

What is creating the bubbling, gaseous atmosphere on Jupiter’s moon Io? Scientists think they finally have the answer: volcanoes.

Io, the solar system’s most volcanically active world, is one of four Galilean moons — the four largest moons of Jupiter, which were discovered by Galileo in the 17th century — and one of 79 total known satellites around the planet. 

Source link