Io is Jupiter’s third largest moon and its fifth moon in terms of distance. Io is slightly larger than Earth’s moon, and is described by NASA as “Looking like a giant pizza covered with melted cheese and splotches of tomato and ripe olives” It is different from Jupiter’s other colder moons in that it is very volcanically active. In fact, Io is the most volcanically active body in our solar system! Io’s environment is affected by a multitude of factors including gravitational pull, tides, volcanic activity, atmosphere, magnetic fields, and radiation. These factors influence Io’s environment and physical appearance to a large degree and make Io one of the most interesting planetary moons in our solar system. Io is a bit different from other