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Bruce Murray Space Image Library

Io above Jupiter with shadow below

Io above Jupiter with shadow below
Io above Jupiter with shadow below The innermost Galliean satellite, Io, coasts above the russet cloud decks of Jupiter, marking Jupiter with its shadow. This Voyager 1 mosaic principally consists of 3 color composites made of orange-, green-, and blue-filtered images, all taken with the wide-angle camera on 4 March 1979. Gaps in coverage were filled by other 3-filter composites taken earlier or later the same day. North is to the right. Planet-spacecraft distance was some 1 million km. NASA / JPL / Ian Regan