images

Jupiter, Io, Europa and Callisto as seen by Voyager 1. 02/1979

by

Nasa/JPL/Novapix

Reference

a-jup04-00005

Date

2007-07-15

Jupiter and three of its four largest satellites : Io (center), Europa (right) and Callisto (bottom left ) are visible in this photo taken Feb 5 1979 by Voyager 1. The space probe was 28.4 million kilometers (17.5 million miles) from the planet at the time.