Detailed text transcripts for TV channel - CNN - 20110220:11:54:00
Things they haven't managed to simulate. but on the whole it would be the experience of 5 20 days and they are around halfway. from next week, two more mars walks and then they begin the return home. >> you really have to use your imagination here if you are walking on mars, but you are really in a russian building. >> a real mission to mars would cost around $20 million. nasa said it would happen in 2012, but it isn't happening it will probably be 20 or 30 years from now. >> would you do it? i don't know. tough call. we'll take a quick break. six minutes before the hour. we'll see you on the ...