Mars One in person. Initially, they’d said there were going to be regional interviews; we would travel there, we’d be interviewed, we’d be tested over several days and, in my mind, that sounded at least like something that approached a legitimate astronaut selection process. “But then they made us sign a non-disclosure agreement if we wanted to be interviewed and then, all of a sudden, it changed from being a proper regional interview over several days to being a ten-minute Skype call.” Roche told the Guardian he did not want to give more interviews as he was wary about being negative about the idea of space travel. In his comment piece he writes: “I am passionate about pushing the boundaries of scientific endeavour and that is why the ambitiousness of the Mars One plan appealed to me. Although Mars One were never likely to overcome the financial and technical barriers during their proposed timeline, it was refreshing to hear a new idea that challenges us to think about our own role in the future of space exploration. “Being part of the subsequent public debate over the ethics and morality of future missions has been one of the most interesting and enjoyable aspects of my candidacy with Mars One. If a one-way mission to Mars ever became possible, then I would always volunteer. For an astrophysicist, that is not a difficult decision to make but it is also a