Chemical Propulsion
Chemical propulsion is a method of spacecraft propulsion that involves the expulsion of mass from a rocket engine to generate thrust. This is achieved by the chemical reaction between a fuel and an oxidizer, which produces hot gases that are expelled out of a nozzle to create thrust. Chemical propulsion is the most common form of propulsion used in space exploration due to its high thrust-to-weight ratio and relatively low cost. However, it is limited by the amount of propellant that can be carried on board and the efficiency of the chemical reaction. Different types of chemical propulsion systems include solid rocket motors, liquid rocket engines, and hybrid rocket engines.
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