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Io (Moon of Jupiter) NASA New Horizons

A midnight plume

13 Mar, 2007

Io's volcanic eruptionsAnother photo shows Io’s volcano Tvashtar erupting at the 1 o’clock position. The plume is about 330 km (200 miles) high and shows an asymmetrical and complicated wispy texture with incandenscent lava shown as the bright point of light. Another plume, likely from the volcano Masubi, is illuminated by Jupiter at the 5 o’clock position. A third and much fainter plume, barely visible at the 2 o’clock position, could be the first plume seen from the volcano Zal Patera.

New Horizons and Io continue to astonish us with these unprecedented views of the solar system’s most geologically active body.