The first challenge will be the psychological impact of being thousands of miles away and witnessing your planet becoming smaller by the second through a tiny space craft window. Imagine the terror of helplessly floating in space and having the safety of your planet slowly drift away from you. The reality begins to set in that you are no longer in the comfort of your planet. The second psychological impact could be the effect of living on a foreign planet for an extended period of time. The feeling of abandonment may occur because you, again, are thousands of miles away from home. The astronauts would need time to get use to the new planet and their new way of life. Lastly, there is a social issue that may occur on this trip. The astronauts will be stuck with each other for this extended amount of time. They will need to get accustomed to working together and being with this specific group of people for a lengthy amount of