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Jupiter's moon Io, seen by Juno's star camera

Jupiter's moon Io, seen by Juno's star camera

NASA / JPL-Caltech / SwRI

Jupiter's moon Io, seen by Juno's star camera
Juno’s Radiation Monitoring Investigation collected this image of Jupiter’s moon Io with Juno’s Stellar Reference Unit (SRU) star camera shortly after Io was eclipsed by Jupiter on 21 December 2018 at 12:40:29 UTC. Io is softly illuminated by moonlight from another of Jupiter’s moons, Europa. The brightest feature on Io is probably just an artifact (a cosmic ray hit). Several of Io's volcanoes glow in the darkness. One, circled in the image, shows an eruptive plume.

Most NASA images are in the public domain. Reuse of this image is governed by NASA's image use policy.

Original image data dated on or about December 21, 2018

Explore related images: Jupiter's moons, Io, pretty pictures, Juno

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