Picture of the Day - Jupiter and it's moon Io

The Galilean satellite Io floats above the cloudtops of Jupiter in this image captured on the dawn of the new millennium, January 1, 2001 10:00 UTC (spacecraft time), two days after Cassini's closest approach.



The image is deceiving: there are 350,000 kilometers -- roughly 2.5 Jupiters -- between Io and Jupiter's clouds. Io is the size of our Moon, and Jupiter is very big. [...]

Full story at http://spacefellowship.com/news/art18446/picture-of-the-day-jupiter-and-it-s-moon-io.html