Three Views of Europa
On the left is a view of Jupiter's moon Europa taken on March 2, 1979, by NASA's Voyager 1 spacecraft. In the middle is a color image of Europa taken by NASA's Voyager 2 spacecraft during its close encounter on July 9, 1979. On the right is a view of Europa made from images taken by NASA's Galileo spacecraft in the late 1990s.
Credits: NASA/JPL-Caltech