Wednesday, July 6, 2016

Watch Jupiter's moons orbit the planet

In the weeks leading up to the spacecraft's arrival at Jupiter Monday night (July 4), Juno captured a stunning video of the four Galilean moons — Callisto, Europa, Ganymede and Io — circling the giant planet in a first-of-its-kind view of celestial dynamics. Juno is now safely in orbit and the real science can begin.