will go on in the next ten years to talk to us about this project, we have the founder of mars 1, bob vonsdorfskype, "right this minute." first of all tell me how you're going to select the four people first on mars? >> we are expecting millions of applications. the first thing we'll do is have experts to decide which people are not fit to go to mars. after that we'll ask the audience to help us to select the people they would like to see on mars. >> how do you determine who is not fit? >> you have to be very healthy. you have to be mentally very stable and you have to be quite smart. because you're going to have to learn a lot of new skills before you can go to mars. >> how much space will you have -- i feel like they are little prison cells up there. >> so there will be about 200 square meters for the four people to live in. that's about 50 square meters per person. for a space mission, that's actual i had very large. >> are you looking for people of a certain age? >> when you apply to be an astronaut, you will need to be 25 or older. >> you're planning t send more people ery c couple eve tw