Io is one of the most fascinating moons in our solar system. It is the innermost of Jupiter's four Galilean moons and the fourth largest moon overall. Discovered by Galileo Galilei in 1610, Io has captivated scientists and astronomers ever since. What makes Io so intriguing is its unique and dynamic surface. Unlike most moons, which are primarily icy and cold, Io is a fiery world of intense volcanic activity. It boasts over 400 active volcanoes, making it the most geologically active object in o

Io, Jupiter's Volcanic Moon

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Jupiter's moon Io, the most volcanically active body in the solar system | Britannica