Juno Probe Snaps Photo of Jupiter and Its 4 Biggest Moons

Jupiter is starting to come into focus for an approaching NASA spacecraft. The Juno probe, which is scheduled to begin orbiting Jupiter on Monday (July 4), captured a photo of the huge planet and its four biggest satellites last week. "As Juno makes its initial approach, the giant planet's four largest moons — Io, Europa, Ganymede and Callisto — are visible, and the alternating light and dark bands of the planet's clouds are just beginning to come into view," NASA officials wrote in