Juno Makes its Closest Flyby of Io

Extreme close-up of Jupiter’s moon Io captured by Juno spacecraft

Juno makes its first ultra-close flyby of the volcano-covered moon Io

Amazing new images of the moon Io have come down from the Juno spacecraft! This one shows the volcanic moon of Jupiter from only 2,800 kilometers away, which is the closest look we’ve gotten of Io for over 20 years ago.