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What is Szero gravity ? Is there life on the Moon and Mars? What are Sspacewalks ? Blast off into outer space and explore the mysteries and wonder of the heavens. Engaging text introduces how humans can survive in space and brethtaking photos give a close-up view of how people work and travel on space craft.Royston, Angela is the author of 'Space' with ISBN 9781410903631 and ISBN 141090363X.