Imaging Io

Imaging Io
Imaging Io Surface variations on volcanic Io are exaggerated in this Voyager false color image of Jupiter's volcanic satellite. By manipulating digital images returned by spacecraft, scientists can bring out details of planets and moons not always visible in a scene as the human eye would see it. This Voyager image is a Mercator projection of part of Io's surface. Alfred McEwen / USGS

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