2025-01-28 NASA
A massive hotspot — larger the Earth’s Lake Superior — can be seen just to the right of Io’s south pole in this annotated image taken by the JIRAM infrared imager aboard NASA’s Juno on Dec. 27, 2024, during the spacecraft’s flyby of the Jovian moon.
NASA/JPL-Caltech/SwRI/ASI/INAF/JIRAM
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