propulsive device

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• solar sail — noun : a propulsive device that consists of a flat material (as aluminized plastic) designed to receive thrust from solar radiation pressure and that can be attached to a spacecraft * * * Aerospace. a design concept for spacecraft propulsion… …   Useful english dictionary

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• rocket and missile system — ▪ weapons system Introduction       any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion.       Rocket is a general term used broadly to describe a variety of jet propelled missiles… …   Universalium

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• Rocket — This article is about vehicles powered by rocket engines. For other uses, see Rocket (disambiguation). A Soyuz U, at Baikonur Site 1/5 A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engi …   Wikipedia