A volcanic plume rises over 300 kilometers above the horizon of Jupiter's moon Io in this image from cameras onboard the New Horizons spacecraft. The volcano, Tvashtar, is marked by the bright glow (about 1 o'clock) at the moon's edge, beyond the terminator or night/day shadow line. Credit: NASA, JHU/APL, SwRI - Additional Processing: Sean Walker
Monday, August 25, 2008
Pic of the Day
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