Which is a neat trick in itself, considering that as far as anyone knows, Jupiter doesn't have a solid surface (except perhaps right at the core, but if you're that far into its atmosphere you'll have other worries, like being about a micron thick... Reminds me a little of a "Battle of the Planets" episode I saw when I was very young, when there was a cyborg horse race on Jupiter. Even then I knew there was something wrong there... (in the original "Science Ninja Team Gatchaman", of course, the race would have been on Earth).
"The power of bakers, the power of artists; even the power of witches! It must be a power given by God... sometimes we suffer for it."- Ursula, Kikis Delivery Service.