http://news.bbc.co.uk/2/hi/science/nature/4347571.stm

The planet Europa is a long way away.

Many will be relieved it will be an unmanned flight and that there will no chance of having to share a long flight with any token 'astronauts of color' on hearing that:

Space agencies are planning to recycle astronauts' sweat into drinking water.
:(


http://www.cnn.com/2005/TECH/space/03/21/space.sweat.ap/index.html