During asteroid search operations, NASA’s OSIRIS-REx spacecraft snapped several images of Jupiter and its Galilean moons: Io, Europa, Callisto, and Ganymede. This composite image showing Jupiter (center) and three of its moons — Callisto (left), Io, and Ganymede — was taken by OSIRIS-REx’s PolyCam instrument. Image credit: NASA / Goddard / University of Arizona. OSIRIS-REx obtained the image above with the PolyCam imager — the...
