Scientists are discovering more then ever that a journey to Mars may be far more difficult then they ever imagined. In 1969 Dr von Braun proposed a plan that would have put a man on Mars by 1982. Here we are in 2007 and we have yet to see any real evidence that a man will be on Mar in even 20 years. The ESA has a project, Aurora, that has the ultimate goal of sending a man to Mars by 2030. This of course is after they conduct numerous studies to see if the human body can even take such a journey. The Aurora project has one goal of examining long term missions. In 2008 the ESA is teaming up with Russian scientist on an experiment on what it would be like to travel to Mars with the Mars 500 project. Six volunteers are going to be sealed in an airtight capsule for 17 months with processed food and limited space. Scientist figure that the "crews" biggest problem is going to be to fight boredom, but they still don't know how they will really react to this situation. If everything goes well the scientist will have an idea of how a real crew might react on an actual trip to Mars.
http://news.bbc.co.uk/1/hi/sci/tech/7021303.stm
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