Largest anticyclonic storm in Solar System located 22 degrees south of equator. Produces winds up to 432 km/h (268 mph). First observed in 1831, with continuous observations since 1878
Launched August 5, 2011, as part of New Frontiers program. Entered Jupiter's polar orbit July 5, 2016. Completed 53.5-day orbit with planned 37 orbits. Extended mission to September 2025 with 42 additional orbits
Io is Jupiter's innermost and second-smallest Galilean moon. Discovered by Galileo in 1610, named after mythological Io. Has highest density and strongest surface gravity among moons. Composed primarily of silicate rock with molten iron core
Jupiter is the largest planet in the solar system, 318 times Earth's mass. Made mostly of hydrogen and helium, it's a gas giant. Rotates on axis every ten hours, shortest solar day. Has colorful clouds of ammonia, water, and chemicals
Earth has a day of 23 hours 56 minutes. Moon rotates once every 29.5 days. Scientists measure other planets' days relative to Earth's
NASA's Juno spacecraft captured images of Jupiter from over 300 million miles away. Mission includes 24 close flybys and multiple flybys since 2017. JunoCam instrument captured images from three separate orbits