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"After years of studying and training, I was lucky enough to become a qualified Astronaut – and it’s literally a childhood dream come true. My day-to-day involves a broad range of things – depending on whether I’m deployed for a mission or preparing on earth. Missions can take months to prepare for, and training is intense and ongoing. In space, the role is a combination of exploration, experiments and generally trying to get by in zero gravity. After all, even the simplest things can be complicated in space – even eating and having a shower. And, because the human body isn’t designed to be stuck in weightlessness for long periods of time, regular exercise is essential."