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.

NASA's Juno spacecraft will get its closest look yet at Jupiter's moon Io on Dec. 30

Juno’s Close Encounter: Unveiling the Secrets of Jupiter’s Fiery Moon Io