Juno completes its closest flyby of Jupiter’s fiery moon Io
On December 30, 2023, NASA's Juno deep space probe made the closest flyby of Jupiter's moon Io in over two decades. The robotic spacecraft passed within 930 miles (1,500 km) of the volcanic satellite, returning closeup images of the south pole.Launched on August 5, 2011, Juno is three years into its extended mission to study the giant planet Jupiter and its moons. Though the latest Io flyby is the closest for Juno, it is not the closest on record. That was achieved by the Galileo probe in 2001 when it sped by Io at a…