10 Need-to-Know Things About Io - NASA Solar System Exploration
The moon Io is the most volcanically active world in the solar system. Io even has lakes of molten silicate lava on its surface.
Io: A Volcanic Puzzle – NASA Solar System Exploration
1995年11月9日 · On 7 December 1995, Galileo will have its one and only opportunity for a close encounter with Jupiter's moon Io, the most volcanically active body in the solar system.
Io Observer - NASA Solar System Exploration
2025年1月9日 · The Jovian moon Io is likely the most geologically active body in the solar system, offering insight into tidal heating, volcanic processes, and other phenomena. However, its location within Jupiter''s radiation belt presents significant engineering challenges that must be addressed to enable future missions to Io.
Io By the Numbers – NASA Solar System Exploration
2025年1月9日 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
Future Io Exploration for 2013-2022 and Beyond, Part 1: …
2025年1月9日 · This white paper (revised draft) summarizes the current scientific questions regarding Jupiter''s volcanic moon Io, and the scientific objectives and measurements that need to be accomplished by future exploration.
Volcanoes and Auroras Glow in Eclipse Movie of Jupiter's Moon Io
2001年2月4日 · The first movie ever made of Jupiter's moon Io while it is in eclipse shows bright spots of hot lava and changes in auroral glows. These images from NASA's Cassini spacecraft provide evidence that the auroras originate in electrical currents that connect Io and Jupiter along magnetic-field lines.
NASA Juno Data Indicate Another Possible Volcano on Jupiter …
2018年7月13日 · Data collected by NASA’s Juno spacecraft using its Jovian InfraRed Auroral Mapper (JIRAM) instrument point to a new heat source close to the south pole of Io that could indicate a previously undiscovered volcano on the small moon of Jupiter.
Galileo Succeeds in its Closest Flyby of a Jovian Moon
2001年5月25日 · NASA's Galileo spacecraft has successfully completed a flyby of Jupiter's moon Callisto, closer than any of the spacecraft's 30 previous flybys of Jovian moons.
Io By the Numbers – NASA Solar System Exploration
2024年5月16日 · The speed needed for an object to break away from the gravitational pull of a planet or moon.
NASA's Cassini Discovers Potential Liquid Water on Enceladus
2006年3月8日 · NASA's Cassini spacecraft may have found evidence of liquid water reservoirs that erupt in Yellowstone-like geysers on Saturn's moon Enceladus. The rare occurrence of liquid water so near the surface raises many new questions about the mysterious moon.