On June 7, 2021, the Juno spacecraft flew closer to Ganymede, Jupiter’s largest moon, than any other flyby in more than two decades, offering dramatic glimpses of the icy orb. This image from JunoCam shows Ganymede’s surface in remarkable detail, including craters, clearly distinct dark and bright terrain, and long structural features possibly linked to tectonic faults. The solar-powered spacecraft’s encounter with the Jovian moon is expected to yield insights into its composition, ionosphere, magnetosphere, and ice shell while also providing measurements of the radiation environment that will benefit future missions to the Jovian system, which includes Jupiter and Jupiter’s four largest moons—Io, Europa, Ganymede, and Callisto.
NASA/JPL-Caltech/Southwest Research Institute/Malin Space Science Systems/Kevin M. Gill
Taken on 7 June 2021
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