Volcanoes fuel gaseous atmosphere on Jupiter’s moon Io – Space.com

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. 
Io’s atmosphere is known to be primarily made up of sulfur dioxide, but the source of this gas has long been a subject of debate. 
“It was…

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