Comedian and space enthusiast Helen Keen (creator of BBC Radio 4's multi-award-winning It Is Rocket Science) welcomes you to a monthly podcast inspired by space travel in general and Tim Peake's mission to the International Space Station in particular.This episode features astronaut Chris Hadfield talking perfect take-offs; former flight director Libby Jackson on the danger of drowning during a spacewalk, plus nuts and bolts from the world's first crowdfunded amateur manned space programme....