NASA's Galileo spacecraft passes within 112 miles (180 km) of Jupiter's moon Io.

Galileo (spacecraft)

First NASA mission to orbit Jupiter (1989–2003)

Galileo was an American robotic space probe that studied the planet Jupiter and its moons, as well as the asteroids Gaspra and Ida. Named after the Italian astronomer Galileo Galilei, it consisted of an orbiter and an entry probe. It was delivered into Earth orbit on October 18,…