PIA00318: Io Shown in Lambertian Equal Area Projection and in Approximately Natural Color
Target Name: Io
Is a satellite of: Jupiter
Mission: Voyager
Spacecraft: Voyager 1
Product Size: 2572 x 1286 pixels (width x height)
Produced By: U.S. Geological Survey
Addition Date: 1998-06-04
Primary Data Set: Voyager EDRs
Full-Res TIFF: PIA00318.tif (8.241 MB)
Full-Res JPEG: PIA00318.jpg (259.1 kB)

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Voyager 1 computer color mosaics, shown in approximately natural color and in Lambertian equal-area projections, show the Eastern (left) and Western (right) hemispheres of Io. This innermost of Jupiter's 4 major satellites is the most volcanically active object in the solar system. Io is 2263 mi (3640 km) in diameter, making it a little bigger than Earth's moon. Almost all the features visible here have volcanic origins, including several calderas and eruption plumes that were active at the time of the Voyager 1 encounter.

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