Io / Jupiter
Io / Jupiter
Io / Jupiter
Io / Jupiter

Io / Jupiter

Jupiter's moon Io floats above the cloud tops of Jupiter in this image captured by the Galileo spacecraft January 1, 2001. The image is deceiving: there are 350,000 kilometers - roughly 2.5 Jupiters - between Io and Jupiter's clouds. Io is about the size of our own moon.