Eli5.. how did they blast off from the moon to get back to earth?
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The Apollo Lunar Module had an ascent stage which used the ascent propulsion system (APS) or lunar module ascent engine (LMAE). It was a hypergolic rocket engine, which means that it used two substances which would spontaneously ignite when mixed. The engine weighed 180 pounds and could produce 3,500 pounds of force for up to 2000 meters per second of velocity.
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