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Jupiter's moon Io casts a shadow as it transits Jupiter
- Title Jupiter's moon Io casts a shadow as it transits Jupiter
- Released 30/06/2006 2:26 pm
- Copyright J. Spencer (Lowell Observatory) and NASA
While hunting for volcanic plumes on Io, the NASA/ESA Hubble Space Telescope captured this image of the volatile moon sweeping across the giant face of Jupiter.