Mar 13, 2019 · Introduction. Ten Things to Know About Io. Pop Culture. Resources. Jupiter's moon Io is the most volcanically active world in the Solar System, with hundreds of volcanoes, some erupting lava fountains dozens of miles (or kilometers) high. Io is caught in a tug-of-war between Jupiter's massive gravity and the smaller but precisely timed pulls from two …

Jul 19, 2021 · Jupiter's rocky moon Io is the most volcanically active world in the solar system, with hundreds of volcanoes, some erupting lava fountains dozens of miles (or kilometers) high. Io’s remarkable activity is the result of a tug-of-war between Jupiter's powerful gravity and smaller but precisely timed pulls from two neighboring moons that orbit farther from Jupiter – Europa …

Facts about Io. Io has more than 400 active volcanoes on its surface. They make this little ...

Io ( / ˈaɪ.oʊ / ), or Jupiter I, is the innermost and third-largest of the four Galilean moons of the planet Jupiter. Slightly larger than Earth’s moon, Io is the fourth-largest moon in the Solar System, has the highest density of any moon, the strongest surface gravity of any moon, and the lowest amount of water (by atomic ratio) of any known astronomical object in the Solar System.

Oct 26, 2022 · Io fast facts Age:Io is about 4.5 billion years old, about the same age as Jupiter. Distance from Jupiter:Io is the fifth moon from Jupiter. Its average orbital distance is about 262,000 miles (422,000... Size:Io has a mean radius of 1,131.7 miles (1,821.3 km) making it slightly larger than Earth's ...

Jun 26, 2019 · Io In Depth By the Numbers Exploration Galleries Most of what we know about Io comes from Galileo spacecraft, which made a detailed study of the Jupiter system—including Io—from orbit from December 1995 to September 2006, but it was Voyager 1 that spotted the first signs of the little moon’s powerful volcanism in 1979.

Jun 26, 2020 · Io Moon Facts Io is one of the four Galilean moons. They are named this because they were all discovered first of Jupiter ‘s moons, by... Io is the closest moon to Jupiter out of the Galilean moons, and the 5th closest out of all it’s moons. It has a radius of 1,131.7 miles (1,821km). This makes it ...