Brits in Space! Brian Cox and Robin Ince are joined by astronaut and author of "The Astronaut Selection Test Book", Tim Peake, first British astronaut Helen Sharman and comedian Mark Steel for a Brits in Space Special. Tim and Helen talk about their different experiences of training to be an astronaut and the challenges of life in space. They also look to the future as the panel talk about the various options being considered for long term space flight with planned future missions to the Moon and ultimately Mars.