The Bruce Murray Space Image Library
Tvashtar in motion
Filed under Jupiter's moons, New Horizons, Io, pretty pictures, best of, global views, animation
In this amazing animation from the New Horizons flyby of Jupiter, the 300-kilometer-high plume erupting from Io's Tvashtar volcano is visibly in motion, its fountains of lava spraying up, out, and back down to the Ionian surface. New Horizons captured the motion fortuitously; the images were part of an observation of the ring system designed to search for structures in the rings, and because Io was close by the science team planned the ring images to encompass Io in the same frame. The animation contains five images taken over an eight-minute span of time beginning at 23:50 UT on March 1, 2007.
NASA / JHUAPL / SwRI
Original image data dated on or about March 1, 2007
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