• mkwarman@lemmy.mkwarman.com
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    1 year ago

    For anyone else curious about the blue and red areas above Io: “The image shows a major eruption in progress on Io’s night side, at the northern volcano Tvashtar. Incandescent lava glows red beneath a high volcanic plume, whose uppermost portions are illuminated by sunlight. The plume appears blue due to scattering of light by small particles in the plume.”