Anbieter: liu xing, Nanjing, JS, China
paperback. Zustand: New. Language:Chinese.Paperback.Pub Date:2018-10-01 Pages:25 Publisher: Shanghai Lexicographic Publishing House The solar system contains many objects. It takes many years to reach the edge of the solar system using traditional rocket technology.?Moreover. traditional rockets require a lot of fuel as propellant. which occupies most of the mass of spacecraft.?This book introduces a new method that scientists have come up witha spaceship similar to a sailing ship. Of course. there is no air in space. Artikel-Nr. NS056488
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