Io-ver the moon⁣ ⁣ On Tuesday, May 16, our Juno spacecraft flew past Jupiter’s volcanic moon, Io. This flyby was the closest to date, reaching an altitude of about 22,060 miles (35,500 kilometers) above the surface. This image was captured by JunoCam, a citizen scientist camera aboard the spacecraft. The spacecraft, which has been gathering data on the gas giant since July 2016, is now in the third year of its extended mission. In addition to studying the origin and evolution of Jupiter, the spacecraft will also explore its ring system where some of the gas giant's inner moons reside.⁣ ⁣ The orbiter has flown over 510 million miles, performing 50 flybys of Jupiter and also documented close encounters with three of Jupiter’s four largest moons, icy worlds Europa and Ganymede and fiery Io.⁣ ⁣ Slightly larger than Earth’s moon, Io Is in constant torment. Not only is Jupiter's gravity constantly pulling at Io, but so are its lunar siblings. The moon gets stretched and squeezed, which force...