Galileo’s Voyage Ends

The Galileo unmanned spacecraft is about to conclude a 14-year voyage of exploration to Jupiter and its moons. The photo below, taken by Galileo, shows Io, one of Jupiter’s moons and the most volcanically active body in the solar system. Galileo has been one of NASA’s most successful ventures, but it is destined to come to an end tomorrow with what has been called a “suicide plunge” into the atmosphere of Jupiter.