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Subject Item
dbpedia:Spacecraft_propulsion
rdfs:comment
Spacecraft propulsion is any method used to accelerate spacecraft and artificial satellites. There are many different methods. Each method has drawbacks and advantages, and spacecraft propulsion is an active area of research. However, most spacecraft today are propelled by forcing a gas from the back/rear of the vehicle at very high speed through a supersonic de Laval nozzle.
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dbpedia:Zero-propellant_maneuver
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