[link|http://www.theregister.co.uk/2007/06/21/esa_big_brother_mars_mission_ordeal/|OK, it's really Moscow, but...]

The organisers don't make the business sound too cushy, that's for sure. "Experiments may involve invasive medical procedures...for which the crew members will be test subjects," according to the ESA. It's a tough life as an astronaut, it seems - you get anally probed even if no aliens show up.