Posted on by Evan Gough

Juno Sees a Brand New Volcano on Io

These are JunoCam images of Jupiter's moon Io from its 3 February 2024 encounter. The first two images show Io illuminated by Jupiter-shine, and the rest are lit up by sunlight. The new volcano was captured in the second image in the sequence. Credit: NASA/JPL-Caltech/SwRI/MSSS.

Jupiter’s moon, Io, is the most volcanic body in the Solar System. NASA’s Juno spacecraft has been getting closer and closer to Io in the last couple of years, giving us our first close-up images of the moon in 25 years.

Recent JunoCam images show a new volcano that appeared sometime after the Galileo spacecraft visited the region.

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