Ever wished you could start life again on a new planet? Or wondered what you're doing right now in a parallel universe? How have your choices affected who and what you have become? Can you change them? The possibilities are endless once you get to grips with the mind-bending realities of space: time travel, worm holes and dark matter. Katy Brand explores her amateur and somewhat improbable love of astronomy and her crapness at maths in this follow up to last years hit show I Was a Teenage Christian. 'Intelligent storytelling' (Times).