Just think once upon a time Earth may have looked like this, who knows, someday Io may have life on it. Who Knows.
2007 April 4
Credit:NASA,JHU/APL,SwRI - Additional Processing:Sean Walker
Explanation:Spewed froma volcano, a complex plume rises over 300 kilometers above the horizon of Jupiter's moon Io in this image from cameras onboard theNew Horizons spacecraft. The volcano,Tvashtar, is marked by the brightglow (about 1 o'clock) at the moon's edge, beyond the terminator or night/day shadow line. The shadow of Io cuts across the plume itself. Also capturing stunning details on the dayside surface, theihigh resolutionmage was recorded when the spacecraft was 2.3 million kilometers from Io. Later it was combined with lower resolutioncolor data by astro-imager Sean Walker to produce this sharp portrait of the solar system'smost active moon. Outward bound at almost 23 kilometersper second, the New Horizons spacecraft should cross the orbit of Saturn in June next year, and is ultimatelydestined to encounterPluto in 2015.
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