Bruce Murray Space Image Library

Io and Europa (LORRI and MVIC combined)

Io and Europa (LORRI and MVIC combined)
Io and Europa (LORRI and MVIC combined) Io (upper right) and Europa, photographed by the New Horizons spacecraft in 2007. Io displays three of the volcanic plumes that help to supply its atmosphere, including the giant Tvashtar plume near the north pole. NASA / APL / SwRI

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