Io (moon) - Wikipedia
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.
Io Facts - Science@NASA
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 - NASA Science
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: A guide to Jupiter's volcanic moon | Space
Oct 26, 2022 · Io — Jupiter's fifth moon — is the most volcanically active body in the solar system. Io's surface is peppered with hundreds of volcanoes, some spewing sulfurous plumes hundreds of miles high.
This is our best look yet at Io, the solar system's most volcanic …
Jul 18, 2019 · A volcanic plume erupts from the surface of Io, Jupiter's third largest moon and the most geologically active body in the solar system, in a picture taken by the Galileo spacecraft.
Io | Surface, Volcanoes, & Facts | Britannica
Sep 22, 2024 · Io, innermost of the four large moons (Galilean satellites) discovered around Jupiter by the Italian astronomer Galileo in 1610. It is the most volcanically active body in the solar system. As many as 300 volcanoes may be active on the satellite at a given time.
Jupiter's moon Io is a volcanic hellscape—and has been since the …
Apr 18, 2024 · Jupiter's moon Io is a volcanic hellscape—and has been since the solar system began. Io is the most volcanic body known to science, and researchers have puzzled over its history for years. A new...
For Your Processing Pleasure: The Sharpest Pictures of Jupiter’s ...
Feb 7, 2024 · Jupiter's moon Io, its night side illuminated by reflected sunlight from Jupiter, or "Jupitershine." NASA’s Juno spacecraft just made the closest flybys of Jupiter’s moon Io that any spacecraft has carried out in more than 20 years.
Jupiter's Supervolcanic Moon Io Dazzles in Photos from NASA's …
Feb 5, 2024 · NASA’s Juno spacecraft successfully made the second of two close flybys of Io, the most volcanic moon in the solar system, on February 3, giving scientists their best look at this satellite...
Io Moon Facts - Space Facts
Io Moon Facts. Io is the innermost and the second smallest of the four Galilean moons. It was discovered, along with Europa, Ganymede and Callisto by Galileo Galilei in 1610. Io Diagrams. Io size compared to the Moon and Earth. Jupiter’s Galilean moons size comparison (Io, Europa, Ganymede and Callisto) Facts about Io.
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