Volcanic activity on Io. Infrared image of a massive volcanic eruption on Jupiter's moon Io. This was one of three massive eruptions within a two-week period in August 2013 and was the among the largest ever observed. Io is one of the four Galilean moons of Jupiter and is the most volcanically active body in the Solar System. Imaged by the Gemini North telescope, Gemini Observatory, Hawaii, on 29th August 2013.
July 24th, 2016
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